int
BSIM4v7noise (
int mode, int operation,
GENmodel *inModel,
CKTcircuit *ckt,
Ndata *data,
double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
BSIM4v7model *model = (BSIM4v7model *)inModel;
BSIM4v7instance *here;
struct bsim4SizeDependParam *pParam;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[BSIM4v7NSRCS];
double lnNdens[BSIM4v7NSRCS];
double T0, T1, T2, T3, T4, T5, T6, T7, T8, T10, T11;
double Vds, Ssi, Swi;
double tmp=0.0, gdpr, gspr, npart_theta=0.0, npart_beta=0.0, igsquare, bodymode;
/* tnoiMod=2 (v4.7) */
double eta, Leff, Lvsat, gamma, delta, epsilon, GammaGd0=0.0;
double npart_c, sigrat=0.0, C0, omega, ctnoi=0.0;
int i;
double m;
/* define the names of the noise sources */
static char *BSIM4v7nNames[BSIM4v7NSRCS] =
{ /* Note that we have to keep the order */
".rd", /* noise due to rd */
".rs", /* noise due to rs */
".rg", /* noise due to rgeltd */
".rbps", /* noise due to rbps */
".rbpd", /* noise due to rbpd */
".rbpb", /* noise due to rbpb */
".rbsb", /* noise due to rbsb */
".rbdb", /* noise due to rbdb */
".id", /* noise due to id (for tnoiMod2: uncorrelated portion only) */
".1overf", /* flicker (1/f) noise */
".igs", /* shot noise due to IGS */
".igd", /* shot noise due to IGD */
".igb", /* shot noise due to IGB */
".corl", /* contribution of correlated drain and induced gate noise */
"" /* total transistor noise */
};
for (; model != NULL; model = model->BSIM4v7nextModel)
{
if(model->BSIM4v7tnoiMod != 2) {
noizDens[BSIM4v7CORLNOIZ] = 0.0;
lnNdens[BSIM4v7CORLNOIZ] = N_MINLOG;
}
for (here = model->BSIM4v7instances; here != NULL;
here = here->BSIM4v7nextInstance)
{ pParam = here->pParam;
switch (operation)
{ case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0)
{ switch (mode)
{ case N_DENS:
for (i = 0; i < BSIM4v7NSRCS; i++)
{ (void) sprintf(name, "onoise.%s%s",
here->BSIM4v7name,
BSIM4v7nNames[i]);
data->namelist = TREALLOC(IFuid,
data->namelist,
data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i = 0; i < BSIM4v7NSRCS; i++)
{ (void) sprintf(name, "onoise_total.%s%s",
here->BSIM4v7name,
BSIM4v7nNames[i]);
data->namelist = TREALLOC(IFuid,
data->namelist,
data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
(void) sprintf(name, "inoise_total.%s%s",
here->BSIM4v7name,
BSIM4v7nNames[i]);
data->namelist = TREALLOC(IFuid,
data->namelist,
data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
m = here->BSIM4v7m;
switch (mode)
{ case N_DENS:
if (model->BSIM4v7tnoiMod == 0)
{ if (model->BSIM4v7rdsMod == 0)
{ gspr = here->BSIM4v7sourceConductance;
gdpr = here->BSIM4v7drainConductance;
if (here->BSIM4v7grdsw > 0.0)
tmp = 1.0 / here->BSIM4v7grdsw; /* tmp used below */
else
tmp = 0.0;
}
else
{ gspr = here->BSIM4v7gstot;
gdpr = here->BSIM4v7gdtot;
tmp = 0.0;
}
}
else if(model->BSIM4v7tnoiMod == 1)
{ T5 = here->BSIM4v7Vgsteff / here->BSIM4v7EsatL;
T5 *= T5;
npart_beta = model->BSIM4v7rnoia * (1.0 + T5
* model->BSIM4v7tnoia * pParam->BSIM4v7leff);
npart_theta = model->BSIM4v7rnoib * (1.0 + T5
* model->BSIM4v7tnoib * pParam->BSIM4v7leff);
if(npart_theta > 0.9)
npart_theta = 0.9;
if(npart_theta > 0.9 * npart_beta)
npart_theta = 0.9 * npart_beta; //4.6.2
if (model->BSIM4v7rdsMod == 0)
{ gspr = here->BSIM4v7sourceConductance;
gdpr = here->BSIM4v7drainConductance;
}
else
{ gspr = here->BSIM4v7gstot;
gdpr = here->BSIM4v7gdtot;
}
if ((*(ckt->CKTstates[0] + here->BSIM4v7vds)) >= 0.0)
gspr = gspr * (1.0 + npart_theta * npart_theta * gspr
/ here->BSIM4v7IdovVds);
else
gdpr = gdpr * (1.0 + npart_theta * npart_theta * gdpr
/ here->BSIM4v7IdovVds);
}
else
{ /* tnoiMod=2 (v4.7) */
if (model->BSIM4v7rdsMod == 0)
{ gspr = here->BSIM4v7sourceConductance;
gdpr = here->BSIM4v7drainConductance;
}
else
{ gspr = here->BSIM4v7gstot;
gdpr = here->BSIM4v7gdtot;
}
}
NevalSrc(&noizDens[BSIM4v7RDNOIZ],
&lnNdens[BSIM4v7RDNOIZ], ckt, THERMNOISE,
here->BSIM4v7dNodePrime, here->BSIM4v7dNode,
gdpr * m);
NevalSrc(&noizDens[BSIM4v7RSNOIZ],
&lnNdens[BSIM4v7RSNOIZ], ckt, THERMNOISE,
here->BSIM4v7sNodePrime, here->BSIM4v7sNode,
gspr * m);
if (here->BSIM4v7rgateMod == 1)
{ NevalSrc(&noizDens[BSIM4v7RGNOIZ],
&lnNdens[BSIM4v7RGNOIZ], ckt, THERMNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7gNodeExt,
here->BSIM4v7grgeltd * m);
}
else if (here->BSIM4v7rgateMod == 2)
{
T0 = 1.0 + here->BSIM4v7grgeltd/here->BSIM4v7gcrg;
T1 = T0 * T0;
NevalSrc(&noizDens[BSIM4v7RGNOIZ],
&lnNdens[BSIM4v7RGNOIZ], ckt, THERMNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7gNodeExt,
here->BSIM4v7grgeltd * m / T1);
}
else if (here->BSIM4v7rgateMod == 3)
{ NevalSrc(&noizDens[BSIM4v7RGNOIZ],
&lnNdens[BSIM4v7RGNOIZ], ckt, THERMNOISE,
here->BSIM4v7gNodeMid, here->BSIM4v7gNodeExt,
here->BSIM4v7grgeltd * m);
}
else
{ noizDens[BSIM4v7RGNOIZ] = 0.0;
lnNdens[BSIM4v7RGNOIZ] =
log(MAX(noizDens[BSIM4v7RGNOIZ], N_MINLOG));
}
bodymode = 5;
if (here->BSIM4v7rbodyMod == 2)
{ if( ( !model->BSIM4v7rbps0Given) ||
( !model->BSIM4v7rbpd0Given) )
bodymode = 1;
else
if( (!model->BSIM4v7rbsbx0Given && !model->BSIM4v7rbsby0Given) ||
(!model->BSIM4v7rbdbx0Given && !model->BSIM4v7rbdby0Given) )
bodymode = 3;
}
if (here->BSIM4v7rbodyMod)
{
if(bodymode == 5)
{
NevalSrc(&noizDens[BSIM4v7RBPSNOIZ],
&lnNdens[BSIM4v7RBPSNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7sbNode,
here->BSIM4v7grbps * m);
NevalSrc(&noizDens[BSIM4v7RBPDNOIZ],
&lnNdens[BSIM4v7RBPDNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7dbNode,
here->BSIM4v7grbpd * m);
NevalSrc(&noizDens[BSIM4v7RBPBNOIZ],
&lnNdens[BSIM4v7RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7bNode,
here->BSIM4v7grbpb * m);
NevalSrc(&noizDens[BSIM4v7RBSBNOIZ],
&lnNdens[BSIM4v7RBSBNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNode, here->BSIM4v7sbNode,
here->BSIM4v7grbsb * m);
NevalSrc(&noizDens[BSIM4v7RBDBNOIZ],
&lnNdens[BSIM4v7RBDBNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNode, here->BSIM4v7dbNode,
here->BSIM4v7grbdb * m);
}
if(bodymode == 3)
{
NevalSrc(&noizDens[BSIM4v7RBPSNOIZ],
&lnNdens[BSIM4v7RBPSNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7sbNode,
here->BSIM4v7grbps * m);
NevalSrc(&noizDens[BSIM4v7RBPDNOIZ],
&lnNdens[BSIM4v7RBPDNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7dbNode,
here->BSIM4v7grbpd * m);
NevalSrc(&noizDens[BSIM4v7RBPBNOIZ],
&lnNdens[BSIM4v7RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7bNode,
here->BSIM4v7grbpb * m);
noizDens[BSIM4v7RBSBNOIZ] = noizDens[BSIM4v7RBDBNOIZ] = 0.0;
lnNdens[BSIM4v7RBSBNOIZ] =
log(MAX(noizDens[BSIM4v7RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBDBNOIZ] =
log(MAX(noizDens[BSIM4v7RBDBNOIZ], N_MINLOG));
}
if(bodymode == 1)
{
NevalSrc(&noizDens[BSIM4v7RBPBNOIZ],
&lnNdens[BSIM4v7RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v7bNodePrime, here->BSIM4v7bNode,
here->BSIM4v7grbpb * m);
noizDens[BSIM4v7RBPSNOIZ] = noizDens[BSIM4v7RBPDNOIZ] = 0.0;
noizDens[BSIM4v7RBSBNOIZ] = noizDens[BSIM4v7RBDBNOIZ] = 0.0;
lnNdens[BSIM4v7RBPSNOIZ] =
log(MAX(noizDens[BSIM4v7RBPSNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBPDNOIZ] =
log(MAX(noizDens[BSIM4v7RBPDNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBSBNOIZ] =
log(MAX(noizDens[BSIM4v7RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBDBNOIZ] =
log(MAX(noizDens[BSIM4v7RBDBNOIZ], N_MINLOG));
}
}
else
{ noizDens[BSIM4v7RBPSNOIZ] = noizDens[BSIM4v7RBPDNOIZ] = 0.0;
noizDens[BSIM4v7RBPBNOIZ] = 0.0;
noizDens[BSIM4v7RBSBNOIZ] = noizDens[BSIM4v7RBDBNOIZ] = 0.0;
lnNdens[BSIM4v7RBPSNOIZ] =
log(MAX(noizDens[BSIM4v7RBPSNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBPDNOIZ] =
log(MAX(noizDens[BSIM4v7RBPDNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBPBNOIZ] =
log(MAX(noizDens[BSIM4v7RBPBNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBSBNOIZ] =
log(MAX(noizDens[BSIM4v7RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v7RBDBNOIZ] =
log(MAX(noizDens[BSIM4v7RBDBNOIZ], N_MINLOG));
}
if(model->BSIM4v7tnoiMod == 2)
{
eta = 1.0 - here->BSIM4v7Vdseff * here->BSIM4v7AbovVgst2Vtm;
T0 = 1.0 - eta;
T1 = 1.0 + eta;
T2 = T1 + 2.0 * here->BSIM4v7Abulk * model->BSIM4v7vtm / here->BSIM4v7Vgsteff;
Leff = pParam->BSIM4v7leff;
Lvsat = Leff * (1.0 + here->BSIM4v7Vdseff / here->BSIM4v7EsatL);
T6 = Leff / Lvsat;
T5 = here->BSIM4v7Vgsteff / here->BSIM4v7EsatL;
T5 = T5 * T5;
gamma = T6 * (0.5 * T1 + T0 * T0 / (6.0 * T2));
T3 = T2 * T2;
T4 = T0 * T0;
T5 = T3 * T3;
delta = (T1 / T3 - (5.0 * T1 + T2) * T4 / (15.0 * T5) + T4 * T4 / (9.0 * T5 * T2)) / (6.0 * T6 * T6 * T6);
T7 = T0 / T2;
epsilon = (T7 - T7 * T7 * T7 / 3.0) / (6.0 * T6);
T8 = here->BSIM4v7Vgsteff / here->BSIM4v7EsatL;
T8 *= T8;
npart_c = model->BSIM4v7rnoic * (1.0 + T8
* model->BSIM4v7tnoic * Leff);
ctnoi = epsilon / sqrt(gamma * delta)
* (2.5316 * npart_c);
npart_beta = model->BSIM4v7rnoia * (1.0 + T8
* model->BSIM4v7tnoia * Leff);
npart_theta = model->BSIM4v7rnoib * (1.0 + T8
* model->BSIM4v7tnoib * Leff);
gamma = gamma * (3.0 * npart_beta * npart_beta);
delta = delta * (3.75 * npart_theta * npart_theta);
GammaGd0 = gamma * here->BSIM4v7noiGd0;
C0 = here->BSIM4v7Coxeff * pParam->BSIM4v7weffCV * here->BSIM4v7nf * pParam->BSIM4v7leffCV;
T0 = C0 / here->BSIM4v7noiGd0;
sigrat = T0 * sqrt(delta / gamma);
}
switch(model->BSIM4v7tnoiMod)
{ case 0:
T0 = here->BSIM4v7ueff * fabs(here->BSIM4v7qinv);
T1 = T0 * tmp + pParam->BSIM4v7leff
* pParam->BSIM4v7leff;
NevalSrc(&noizDens[BSIM4v7IDNOIZ],
&lnNdens[BSIM4v7IDNOIZ], ckt,
THERMNOISE, here->BSIM4v7dNodePrime,
here->BSIM4v7sNodePrime,
(T0 / T1) * model->BSIM4v7ntnoi * m);
break;
case 1:
T0 = here->BSIM4v7gm + here->BSIM4v7gmbs + here->BSIM4v7gds;
T0 *= T0;
igsquare = npart_theta * npart_theta * T0 / here->BSIM4v7IdovVds;
T1 = npart_beta * (here->BSIM4v7gm
+ here->BSIM4v7gmbs) + here->BSIM4v7gds;
T2 = T1 * T1 / here->BSIM4v7IdovVds;
NevalSrc(&noizDens[BSIM4v7IDNOIZ],
&lnNdens[BSIM4v7IDNOIZ], ckt,
THERMNOISE, here->BSIM4v7dNodePrime,
here->BSIM4v7sNodePrime, (T2 - igsquare) * m);
break;
case 2:
T2 = GammaGd0;
T3 = ctnoi * ctnoi;
T4 = 1.0 - T3;
NevalSrc(&noizDens[BSIM4v7IDNOIZ],
&lnNdens[BSIM4v7IDNOIZ], ckt,
THERMNOISE, here->BSIM4v7dNodePrime,
here->BSIM4v7sNodePrime, T2 * T4 * m);
/* Evaluate output noise due to two correlated noise sources */
omega = 2.0 * M_PI * data->freq;
T5 = omega * sigrat;
T6 = T5 * T5;
T7 = T6 / (1.0 + T6);
if (here->BSIM4v7mode >= 0) {
NevalSrc2(&noizDens[BSIM4v7CORLNOIZ],
&lnNdens[BSIM4v7CORLNOIZ], ckt,
THERMNOISE, here->BSIM4v7dNodePrime,
here->BSIM4v7sNodePrime, T2 * T3 * m,
here->BSIM4v7gNodePrime,
here->BSIM4v7sNodePrime,
T2 * T7 * m, 0.5 * M_PI);
}
else
{
NevalSrc2(&noizDens[BSIM4v7CORLNOIZ],
&lnNdens[BSIM4v7CORLNOIZ], ckt,
THERMNOISE, here->BSIM4v7sNodePrime,
here->BSIM4v7dNodePrime, T2 * T3 * m,
here->BSIM4v7gNodePrime,
here->BSIM4v7dNodePrime,
T2 * T7 * m, 0.5 * M_PI);
}
break;
}
NevalSrc(&noizDens[BSIM4v7FLNOIZ], (double*) NULL,
ckt, N_GAIN, here->BSIM4v7dNodePrime,
here->BSIM4v7sNodePrime, (double) 0.0);
switch(model->BSIM4v7fnoiMod)
{ case 0:
noizDens[BSIM4v7FLNOIZ] *= m * model->BSIM4v7kf
* exp(model->BSIM4v7af
* log(MAX(fabs(here->BSIM4v7cd),
N_MINLOG)))
/ (pow(data->freq, model->BSIM4v7ef)
* pParam->BSIM4v7leff
* pParam->BSIM4v7leff
* model->BSIM4v7coxe);
break;
case 1:
Vds = *(ckt->CKTstates[0] + here->BSIM4v7vds);
if (Vds < 0.0)
Vds = -Vds;
Ssi = Eval1ovFNoise(Vds, model, here,
data->freq, ckt->CKTtemp);
T10 = model->BSIM4v7oxideTrapDensityA
* CONSTboltz * ckt->CKTtemp;
T11 = pParam->BSIM4v7weff * here->BSIM4v7nf * pParam->BSIM4v7leff
* pow(data->freq, model->BSIM4v7ef) * 1.0e10
* here->BSIM4v7nstar * here->BSIM4v7nstar;
Swi = T10 / T11 * here->BSIM4v7cd
* here->BSIM4v7cd;
T1 = Swi + Ssi;
if (T1 > 0.0)
noizDens[BSIM4v7FLNOIZ] *= m * (Ssi * Swi) / T1;
else
noizDens[BSIM4v7FLNOIZ] *= 0.0;
break;
}
lnNdens[BSIM4v7FLNOIZ] =
log(MAX(noizDens[BSIM4v7FLNOIZ], N_MINLOG));
if(here->BSIM4v7mode >= 0) { /* bugfix */
NevalSrc(&noizDens[BSIM4v7IGSNOIZ],
&lnNdens[BSIM4v7IGSNOIZ], ckt, SHOTNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7sNodePrime,
m * (here->BSIM4v7Igs + here->BSIM4v7Igcs));
NevalSrc(&noizDens[BSIM4v7IGDNOIZ],
&lnNdens[BSIM4v7IGDNOIZ], ckt, SHOTNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7dNodePrime,
m * (here->BSIM4v7Igd + here->BSIM4v7Igcd));
} else {
NevalSrc(&noizDens[BSIM4v7IGSNOIZ],
&lnNdens[BSIM4v7IGSNOIZ], ckt, SHOTNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7sNodePrime,
m * (here->BSIM4v7Igs + here->BSIM4v7Igcd));
NevalSrc(&noizDens[BSIM4v7IGDNOIZ],
&lnNdens[BSIM4v7IGDNOIZ], ckt, SHOTNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7dNodePrime,
m * (here->BSIM4v7Igd + here->BSIM4v7Igcs));
}
NevalSrc(&noizDens[BSIM4v7IGBNOIZ],
&lnNdens[BSIM4v7IGBNOIZ], ckt, SHOTNOISE,
here->BSIM4v7gNodePrime, here->BSIM4v7bNodePrime,
m * here->BSIM4v7Igb);
noizDens[BSIM4v7TOTNOIZ] = noizDens[BSIM4v7RDNOIZ]
+ noizDens[BSIM4v7RSNOIZ] + noizDens[BSIM4v7RGNOIZ]
+ noizDens[BSIM4v7RBPSNOIZ] + noizDens[BSIM4v7RBPDNOIZ]
+ noizDens[BSIM4v7RBPBNOIZ]
+ noizDens[BSIM4v7RBSBNOIZ] + noizDens[BSIM4v7RBDBNOIZ]
+ noizDens[BSIM4v7IDNOIZ] + noizDens[BSIM4v7FLNOIZ]
+ noizDens[BSIM4v7IGSNOIZ] + noizDens[BSIM4v7IGDNOIZ]
+ noizDens[BSIM4v7IGBNOIZ] + noizDens[BSIM4v7CORLNOIZ];
lnNdens[BSIM4v7TOTNOIZ] =
log(MAX(noizDens[BSIM4v7TOTNOIZ], N_MINLOG));
*OnDens += noizDens[BSIM4v7TOTNOIZ];
if (data->delFreq == 0.0)
{ /* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for (i = 0; i < BSIM4v7NSRCS; i++)
{ here->BSIM4v7nVar[LNLSTDENS][i] =
lnNdens[i];
}
/* clear out our integration variables
if it's the first pass
*/
if (data->freq ==
job->NstartFreq)
{ for (i = 0; i < BSIM4v7NSRCS; i++)
{ here->BSIM4v7nVar[OUTNOIZ][i] = 0.0;
here->BSIM4v7nVar[INNOIZ][i] = 0.0;
}
}
}
else
{ /* data->delFreq != 0.0,
we have to integrate.
*/
for (i = 0; i < BSIM4v7NSRCS; i++)
{ if (i != BSIM4v7TOTNOIZ)
{ tempOnoise = Nintegrate(noizDens[i],
lnNdens[i],
here->BSIM4v7nVar[LNLSTDENS][i],
data);
tempInoise = Nintegrate(noizDens[i]
* data->GainSqInv, lnNdens[i]
+ data->lnGainInv,
here->BSIM4v7nVar[LNLSTDENS][i]
+ data->lnGainInv, data);
here->BSIM4v7nVar[LNLSTDENS][i] =
lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0)
{ here->BSIM4v7nVar[OUTNOIZ][i]
+= tempOnoise;
here->BSIM4v7nVar[OUTNOIZ][BSIM4v7TOTNOIZ]
+= tempOnoise;
here->BSIM4v7nVar[INNOIZ][i]
+= tempInoise;
here->BSIM4v7nVar[INNOIZ][BSIM4v7TOTNOIZ]
+= tempInoise;
}
}
}
}
if (data->prtSummary)
{ for (i = 0; i < BSIM4v7NSRCS; i++)
{ /* print a summary report */
data->outpVector[data->outNumber++]
= noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if (job->NStpsSm != 0)
{ for (i = 0; i < BSIM4v7NSRCS; i++)
{ data->outpVector[data->outNumber++]
= here->BSIM4v7nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++]
= here->BSIM4v7nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
BJTnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
BJTmodel *firstModel = (BJTmodel *) genmodel;
BJTmodel *model;
BJTinstance *inst;
double tempOnoise;
double tempInoise;
double noizDens[BJTNSRCS];
double lnNdens[BJTNSRCS];
int i;
/* define the names of the noise sources */
static char *BJTnNames[BJTNSRCS] = {
/* Note that we have to keep the order consistent with the
strchr definitions in BJTdefs.h */
"_rc", /* noise due to rc */
"_rb", /* noise due to rb */
"_re", /* noise due to re */
"_ic", /* noise due to ic */
"_ib", /* noise due to ib */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=BJTnextModel(model)) {
for (inst=BJTinstances(model); inst != NULL;
inst=BJTnextInstance(inst)) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < BJTNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_%s%s", inst->BJTname, BJTnNames[i]);
}
break;
case INT_NOIZ:
for (i=0; i < BJTNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_total_%s%s", inst->BJTname, BJTnNames[i]);
NOISE_ADD_OUTVAR(ckt, data, "inoise_total_%s%s", inst->BJTname, BJTnNames[i]);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[BJTRCNOIZ],&lnNdens[BJTRCNOIZ],
ckt,THERMNOISE,inst->BJTcolPrimeNode,inst->BJTcolNode,
inst->BJTtcollectorConduct * inst->BJTarea * inst->BJTm);
NevalSrc(&noizDens[BJTRBNOIZ],&lnNdens[BJTRBNOIZ],
ckt,THERMNOISE,inst->BJTbasePrimeNode,inst->BJTbaseNode,
*(ckt->CKTstate0 + inst->BJTgx) * inst->BJTm);
NevalSrc(&noizDens[BJT_RE_NOISE],&lnNdens[BJT_RE_NOISE],
ckt,THERMNOISE,inst->BJTemitPrimeNode,inst->BJTemitNode,
inst->BJTtemitterConduct * inst->BJTarea * inst-> BJTm);
NevalSrc(&noizDens[BJTICNOIZ],&lnNdens[BJTICNOIZ],
ckt,SHOTNOISE,inst->BJTcolPrimeNode, inst->BJTemitPrimeNode,
*(ckt->CKTstate0 + inst->BJTcc) * inst->BJTm);
NevalSrc(&noizDens[BJTIBNOIZ],&lnNdens[BJTIBNOIZ],
ckt,SHOTNOISE,inst->BJTbasePrimeNode, inst->BJTemitPrimeNode,
*(ckt->CKTstate0 + inst->BJTcb) * inst->BJTm);
NevalSrc(&noizDens[BJTFLNOIZ], NULL, ckt,
N_GAIN,inst->BJTbasePrimeNode, inst->BJTemitPrimeNode,
(double)0.0);
noizDens[BJTFLNOIZ] *= inst->BJTm * model->BJTfNcoef *
exp(model->BJTfNexp *
log(MAX(fabs(*(ckt->CKTstate0 + inst->BJTcb)),N_MINLOG))) /
data->freq;
lnNdens[BJTFLNOIZ] =
log(MAX(noizDens[BJTFLNOIZ],N_MINLOG));
noizDens[BJTTOTNOIZ] = noizDens[BJTRCNOIZ] +
noizDens[BJTRBNOIZ] +
noizDens[BJT_RE_NOISE] +
noizDens[BJTICNOIZ] +
noizDens[BJTIBNOIZ] +
noizDens[BJTFLNOIZ];
lnNdens[BJTTOTNOIZ] =
log(noizDens[BJTTOTNOIZ]);
*OnDens += noizDens[BJTTOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < BJTNSRCS; i++) {
inst->BJTnVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < BJTNSRCS; i++) {
inst->BJTnVar[OUTNOIZ][i] = 0.0;
inst->BJTnVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
/* In order to get the best curve fit, we have to integrate each component separately */
for (i=0; i < BJTNSRCS; i++) {
if (i != BJTTOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->BJTnVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->BJTnVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->BJTnVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->BJTnVar[OUTNOIZ][i] += tempOnoise;
inst->BJTnVar[OUTNOIZ][BJTTOTNOIZ] += tempOnoise;
inst->BJTnVar[INNOIZ][i] += tempInoise;
inst->BJTnVar[INNOIZ][BJTTOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < BJTNSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < BJTNSRCS; i++) {
data->outpVector[data->outNumber++] = inst->BJTnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->BJTnVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int HSMHV2noise (
int mode, int operation,
GENmodel *inModel,
CKTcircuit *ckt,
Ndata *data,
double *OnDens)
{
HSMHV2model *model = (HSMHV2model *)inModel;
HSMHV2instance *here;
char name[N_MXVLNTH];
double tempOnoise=0.0 ;
double tempInoise=0.0 ;
double noizDens[HSMHV2NSRCS] ;
double lnNdens[HSMHV2NSRCS] ;
int i;
double G =0.0 ;
double TTEMP = 0.0 ;
/* define the names of the noise sources */
static char * HSMHV2nNames[HSMHV2NSRCS] = {
/* Note that we have to keep the order
consistent with the index definitions
in hsmhvdefs.h */
".rd", /* noise due to rd */
".rs", /* noise due to rs */
".id", /* noise due to id */
".1ovf", /* flicker (1/f) noise */
".ign", /* induced gate noise component at the drain node */
"" /* total transistor noise */
};
for ( ;model != NULL; model = model->HSMHV2nextModel ) {
for ( here = model->HSMHV2instances; here != NULL;
here = here->HSMHV2nextInstance ) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for ( i = 0; i < HSMHV2NSRCS; i++ ) {
(void) sprintf(name, "onoise.%s%s",
(char *)here->HSMHV2name, HSMHV2nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid
(ckt, &(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
}
break;
case INT_NOIZ:
for ( i = 0; i < HSMHV2NSRCS; i++ ) {
(void) sprintf(name, "onoise_total.%s%s",
(char *)here->HSMHV2name, HSMHV2nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid
(ckt, &(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
(void) sprintf(name, "inoise_total.%s%s",
(char *)here->HSMHV2name, HSMHV2nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid
(ckt, &(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
/* temperature */
TTEMP = ckt->CKTtemp;
if ( here->HSMHV2_dtemp_Given ) { TTEMP = TTEMP + here->HSMHV2_dtemp ; }
TTEMP = TTEMP + *(ckt->CKTstate0 + here->HSMHV2deltemp) ;
/* rs/rd thermal noise */
if ( model->HSMHV2_corsrd == 1 || model->HSMHV2_corsrd == 3 || model->HSMHV2_cordrift == 1 ) {
NevalSrc(&noizDens[HSMHV2RDNOIZ], NULL,
ckt, N_GAIN,
here->HSMHV2dNodePrime, here->HSMHV2dNode,
0.0);
noizDens[HSMHV2RDNOIZ] *= 4 * C_KB * TTEMP * here->HSMHV2drainConductance ;
lnNdens[HSMHV2RDNOIZ] = log( MAX(noizDens[HSMHV2RDNOIZ],N_MINLOG) );
NevalSrc(&noizDens[HSMHV2RSNOIZ], NULL,
ckt, N_GAIN,
here->HSMHV2sNodePrime, here->HSMHV2sNode,
0.0);
noizDens[HSMHV2RSNOIZ] *= 4 * C_KB * TTEMP * here->HSMHV2sourceConductance ;
lnNdens[HSMHV2RSNOIZ] = log( MAX(noizDens[HSMHV2RSNOIZ],N_MINLOG) );
} else {
noizDens[HSMHV2RDNOIZ] = 0e0 ;
lnNdens[HSMHV2RDNOIZ] = N_MINLOG ;
noizDens[HSMHV2RSNOIZ] = 0e0 ;
lnNdens[HSMHV2RSNOIZ] = N_MINLOG ;
}
/* channel thermal noise */
NevalSrc(&noizDens[HSMHV2IDNOIZ], NULL,
ckt, N_GAIN,
here->HSMHV2dNodePrime, here->HSMHV2sNodePrime,
0.0);
switch( model->HSMHV2_noise ) {
case 1:
/* HiSIMHV model */
G = here->HSMHV2_noithrml ;
noizDens[HSMHV2IDNOIZ] *= 4 * C_KB * TTEMP * G ;
lnNdens[HSMHV2IDNOIZ] = log( MAX(noizDens[HSMHV2IDNOIZ],N_MINLOG) );
break;
}
/* flicker noise */
NevalSrc(&noizDens[HSMHV2FLNOIZ], NULL,
ckt, N_GAIN,
here->HSMHV2dNodePrime, here->HSMHV2sNodePrime,
0.0);
switch ( model->HSMHV2_noise ) {
case 1:
/* HiSIM model */
noizDens[HSMHV2FLNOIZ] *= here->HSMHV2_noiflick / pow(data->freq, model->HSMHV2_falph) ;
lnNdens[HSMHV2FLNOIZ] = log(MAX(noizDens[HSMHV2FLNOIZ], N_MINLOG));
break;
}
/* induced gate noise */
NevalSrc(&noizDens[HSMHV2IGNOIZ], NULL,
ckt, N_GAIN,
here->HSMHV2dNodePrime, here->HSMHV2sNodePrime,
0.0);
switch ( model->HSMHV2_noise ) {
case 1:
/* HiSIM model */
noizDens[HSMHV2IGNOIZ] *= here->HSMHV2_noiigate * here->HSMHV2_noicross * here->HSMHV2_noicross * data->freq * data->freq;
lnNdens[HSMHV2IGNOIZ] = log(MAX(noizDens[HSMHV2IGNOIZ], N_MINLOG));
break;
}
/* total */
noizDens[HSMHV2TOTNOIZ] = noizDens[HSMHV2RDNOIZ] + noizDens[HSMHV2RSNOIZ]
+ noizDens[HSMHV2IDNOIZ] + noizDens[HSMHV2FLNOIZ] + noizDens[HSMHV2IGNOIZ];
lnNdens[HSMHV2TOTNOIZ] = log(MAX(noizDens[HSMHV2TOTNOIZ], N_MINLOG));
*OnDens += noizDens[HSMHV2TOTNOIZ];
if ( data->delFreq == 0.0 ) {
/* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for ( i = 0; i < HSMHV2NSRCS; i++ )
here->HSMHV2nVar[LNLSTDENS][i] = lnNdens[i];
/* clear out our integration variables
if it's the first pass
*/
if (data->freq == ((NOISEAN*) ckt->CKTcurJob)->NstartFreq) {
for (i = 0; i < HSMHV2NSRCS; i++) {
here->HSMHV2nVar[OUTNOIZ][i] = 0.0;
here->HSMHV2nVar[INNOIZ][i] = 0.0;
}
}
}
else {
/* data->delFreq != 0.0,
we have to integrate.
*/
for ( i = 0; i < HSMHV2NSRCS; i++ ) {
if ( i != HSMHV2TOTNOIZ ) {
tempOnoise =
Nintegrate(noizDens[i], lnNdens[i],
here->HSMHV2nVar[LNLSTDENS][i], data);
tempInoise =
Nintegrate(noizDens[i] * data->GainSqInv,
lnNdens[i] + data->lnGainInv,
here->HSMHV2nVar[LNLSTDENS][i] + data->lnGainInv,
data);
here->HSMHV2nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
here->HSMHV2nVar[OUTNOIZ][i] += tempOnoise;
here->HSMHV2nVar[OUTNOIZ][HSMHV2TOTNOIZ] += tempOnoise;
here->HSMHV2nVar[INNOIZ][i] += tempInoise;
here->HSMHV2nVar[INNOIZ][HSMHV2TOTNOIZ] += tempInoise;
}
}
}
}
if ( data->prtSummary ) {
for (i = 0; i < HSMHV2NSRCS; i++) {
/* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
for ( i = 0; i < HSMHV2NSRCS; i++ ) {
data->outpVector[data->outNumber++] = here->HSMHV2nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = here->HSMHV2nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
B2noise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
B2model *firstModel = (B2model *) genmodel;
B2model *model;
B2instance *inst;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[B2NSRCS];
double lnNdens[B2NSRCS];
int i;
/* define the names of the noise sources */
static char *B2nNames[B2NSRCS] = { /* Note that we have to keep the order */
"_rd", /* noise due to rd */ /* consistent with thestrchr definitions */
"_rs", /* noise due to rs */ /* in bsim1defs.h */
"_id", /* noise due to id */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=model->B2nextModel) {
for (inst=model->B2instances; inst != NULL; inst=inst->B2nextInstance) {
if (inst->B2owner != ARCHme) continue;
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < B2NSRCS; i++) {
(void)sprintf(name,"onoise_%s%s",inst->B2name,B2nNames[i]);
data->namelist = (IFuid *)trealloc((char *)data->namelist,(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i=0; i < B2NSRCS; i++) {
(void)sprintf(name,"onoise_total_%s%s",inst->B2name,B2nNames[i]);
data->namelist = (IFuid *)trealloc((char *)data->namelist,(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
(void)sprintf(name,"inoise_total_%s%s",inst->B2name,B2nNames[i]);
data->namelist = (IFuid *)trealloc((char *)data->namelist,(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[B2RDNOIZ],&lnNdens[B2RDNOIZ],
ckt,THERMNOISE,inst->B2dNodePrime,inst->B2dNode,
inst->B2drainConductance * inst->B2m);
NevalSrc(&noizDens[B2RSNOIZ],&lnNdens[B2RSNOIZ],
ckt,THERMNOISE,inst->B2sNodePrime,inst->B2sNode,
inst->B2sourceConductance * inst->B2m);
NevalSrc(&noizDens[B2IDNOIZ],&lnNdens[B2IDNOIZ],
ckt,THERMNOISE,inst->B2dNodePrime,inst->B2sNodePrime,
(2.0/3.0 * fabs(inst->B2gm * inst->B2m)));
NevalSrc(&noizDens[B2FLNOIZ],(double*)NULL,ckt,
N_GAIN,inst->B2dNodePrime, inst->B2sNodePrime,
(double)0.0);
noizDens[B2FLNOIZ] *= model->B2fNcoef * inst->B2m *
exp(model->B2fNexp *
log(MAX(fabs(inst->B2cd),N_MINLOG))) /
(data->freq *
(inst->B2w - model->B2deltaW * 1e-6) *
(inst->B2l - model->B2deltaL * 1e-6) *
model->B2Cox * model->B2Cox);
lnNdens[B2FLNOIZ] =
log(MAX(noizDens[B2FLNOIZ],N_MINLOG));
noizDens[B2TOTNOIZ] = noizDens[B2RDNOIZ] +
noizDens[B2RSNOIZ] +
noizDens[B2IDNOIZ] +
noizDens[B2FLNOIZ];
lnNdens[B2TOTNOIZ] =
log(MAX(noizDens[B2TOTNOIZ], N_MINLOG));
*OnDens += noizDens[B2TOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < B2NSRCS; i++) {
inst->B2nVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == ((NOISEAN*)ckt->CKTcurJob)->NstartFreq) {
for (i=0; i < B2NSRCS; i++) {
inst->B2nVar[OUTNOIZ][i] = 0.0;
inst->B2nVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
for (i=0; i < B2NSRCS; i++) {
if (i != B2TOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->B2nVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->B2nVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->B2nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
inst->B2nVar[OUTNOIZ][i] += tempOnoise;
inst->B2nVar[OUTNOIZ][B2TOTNOIZ] += tempOnoise;
inst->B2nVar[INNOIZ][i] += tempInoise;
inst->B2nVar[INNOIZ][B2TOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < B2NSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
for (i=0; i < B2NSRCS; i++) {
data->outpVector[data->outNumber++] = inst->B2nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->B2nVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
VDMOSnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
VDMOSmodel *firstModel = (VDMOSmodel *) genmodel;
VDMOSmodel *model;
VDMOSinstance *inst;
double coxSquared;
double tempOnoise;
double tempInoise;
double noizDens[VDMOSNSRCS];
double lnNdens[VDMOSNSRCS];
int i;
/* define the names of the noise sources */
static char *VDMOSnNames[VDMOSNSRCS] = { /* Note that we have to keep the order */
"_rd", /* noise due to rd */ /* consistent with thestrchr definitions */
"_rs", /* noise due to rs */ /* in VDMOSdefs.h */
"_id", /* noise due to id */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=VDMOSnextModel(model)) {
/* Oxide capacitance can be zero in MOS level 1. Since this will give us problems in our 1/f */
/* noise model, we ASSUME an actual "tox" of 1e-7 */
if (model->VDMOSoxideCapFactor == 0.0) {
coxSquared = 3.9 * 8.854214871e-12 / 1e-7;
} else {
coxSquared = model->VDMOSoxideCapFactor;
}
coxSquared *= coxSquared;
for (inst=VDMOSinstances(model); inst != NULL; inst=VDMOSnextInstance(inst)) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < VDMOSNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_%s%s", inst->VDMOSname, VDMOSnNames[i]);
}
break;
case INT_NOIZ:
for (i=0; i < VDMOSNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_total_%s%s", inst->VDMOSname, VDMOSnNames[i]);
NOISE_ADD_OUTVAR(ckt, data, "inoise_total_%s%s", inst->VDMOSname, VDMOSnNames[i]);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[VDMOSRDNOIZ],&lnNdens[VDMOSRDNOIZ],
ckt,THERMNOISE,inst->VDMOSdNodePrime,inst->VDMOSdNode,
inst->VDMOSdrainConductance);
NevalSrc(&noizDens[VDMOSRSNOIZ],&lnNdens[VDMOSRSNOIZ],
ckt,THERMNOISE,inst->VDMOSsNodePrime,inst->VDMOSsNode,
inst->VDMOSsourceConductance);
NevalSrc(&noizDens[VDMOSIDNOIZ],&lnNdens[VDMOSIDNOIZ],
ckt,THERMNOISE,inst->VDMOSdNodePrime,inst->VDMOSsNodePrime,
(2.0/3.0 * fabs(inst->VDMOSgm)));
NevalSrc(&noizDens[VDMOSFLNOIZ], NULL, ckt,
N_GAIN,inst->VDMOSdNodePrime, inst->VDMOSsNodePrime,
(double)0.0);
noizDens[VDMOSFLNOIZ] *= model->VDMOSfNcoef *
exp(model->VDMOSfNexp *
log(MAX(fabs(inst->VDMOScd),N_MINLOG))) /
(data->freq * inst->VDMOSw *
inst->VDMOSm *
inst->VDMOSl * coxSquared);
lnNdens[VDMOSFLNOIZ] =
log(MAX(noizDens[VDMOSFLNOIZ],N_MINLOG));
noizDens[VDMOSTOTNOIZ] = noizDens[VDMOSRDNOIZ] +
noizDens[VDMOSRSNOIZ] +
noizDens[VDMOSIDNOIZ] +
noizDens[VDMOSFLNOIZ];
lnNdens[VDMOSTOTNOIZ] =
log(MAX(noizDens[VDMOSTOTNOIZ], N_MINLOG));
*OnDens += noizDens[VDMOSTOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < VDMOSNSRCS; i++) {
inst->VDMOSnVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < VDMOSNSRCS; i++) {
inst->VDMOSnVar[OUTNOIZ][i] = 0.0;
inst->VDMOSnVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
for (i=0; i < VDMOSNSRCS; i++) {
if (i != VDMOSTOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->VDMOSnVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->VDMOSnVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->VDMOSnVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->VDMOSnVar[OUTNOIZ][i] += tempOnoise;
inst->VDMOSnVar[OUTNOIZ][VDMOSTOTNOIZ] += tempOnoise;
inst->VDMOSnVar[INNOIZ][i] += tempInoise;
inst->VDMOSnVar[INNOIZ][VDMOSTOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < VDMOSNSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < VDMOSNSRCS; i++) {
data->outpVector[data->outNumber++] = inst->VDMOSnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->VDMOSnVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
MESnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *data,
double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
MESmodel *firstModel = (MESmodel *) genmodel;
MESmodel *model;
MESinstance *inst;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[MESNSRCS];
double lnNdens[MESNSRCS];
int i;
/* define the names of the noise sources */
static char *MESnNames[MESNSRCS] = { /* Note that we have to keep the order */
"_rd", /* noise due to rd */ /* consistent with thestrchr definitions */
"_rs", /* noise due to rs */ /* in MESdefs.h */
"_id", /* noise due to id */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=model->MESnextModel) {
for (inst=model->MESinstances; inst != NULL; inst=inst->MESnextInstance) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < MESNSRCS; i++) {
(void)sprintf(name,"onoise_%s%s",inst->MESname,MESnNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i=0; i < MESNSRCS; i++) {
(void)sprintf(name,"onoise_total_%s%s",inst->MESname,MESnNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
(void)sprintf(name,"inoise_total_%s%s",inst->MESname,MESnNames[i]);
/*
OUTname(name,SV_INPUT_NOISE_V_SQ);
data->numPlots += 2;
*/
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[MESRDNOIZ],&lnNdens[MESRDNOIZ],
ckt,THERMNOISE,inst->MESdrainPrimeNode,inst->MESdrainNode,
model->MESdrainConduct * inst->MESarea * inst->MESm);
NevalSrc(&noizDens[MESRSNOIZ],&lnNdens[MESRSNOIZ],
ckt,THERMNOISE,inst->MESsourcePrimeNode,inst->MESsourceNode,
model->MESsourceConduct * inst->MESarea * inst->MESm);
NevalSrc(&noizDens[MESIDNOIZ],&lnNdens[MESIDNOIZ],
ckt,THERMNOISE,inst->MESdrainPrimeNode,
inst->MESsourcePrimeNode,
(2.0/3.0 * inst->MESm * fabs(*(ckt->CKTstate0 + inst->MESgm))));
NevalSrc(&noizDens[MESFLNOIZ], NULL, ckt,
N_GAIN,inst->MESdrainPrimeNode, inst->MESsourcePrimeNode,
(double)0.0);
noizDens[MESFLNOIZ] *= inst->MESm * model->MESfNcoef *
exp(model->MESfNexp *
log(MAX(fabs(*(ckt->CKTstate0 + inst->MEScd)),N_MINLOG))) /
data->freq;
lnNdens[MESFLNOIZ] =
log(MAX(noizDens[MESFLNOIZ],N_MINLOG));
noizDens[MESTOTNOIZ] = noizDens[MESRDNOIZ] +
noizDens[MESRSNOIZ] +
noizDens[MESIDNOIZ] +
noizDens[MESFLNOIZ];
lnNdens[MESTOTNOIZ] =
log(MAX(noizDens[MESTOTNOIZ], N_MINLOG));
*OnDens += noizDens[MESTOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < MESNSRCS; i++) {
inst->MESnVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < MESNSRCS; i++) {
inst->MESnVar[OUTNOIZ][i] = 0.0;
inst->MESnVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
for (i=0; i < MESNSRCS; i++) {
if (i != MESTOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->MESnVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->MESnVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->MESnVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->MESnVar[OUTNOIZ][i] += tempOnoise;
inst->MESnVar[OUTNOIZ][MESTOTNOIZ] += tempOnoise;
inst->MESnVar[INNOIZ][i] += tempInoise;
inst->MESnVar[INNOIZ][MESTOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < MESNSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < MESNSRCS; i++) {
data->outpVector[data->outNumber++] = inst->MESnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->MESnVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int HSM2noise (
int mode, int operation,
GENmodel *inModel,
CKTcircuit *ckt,
Ndata *data,
double *OnDens)
{
HSM2model *model = (HSM2model *)inModel;
HSM2instance *here;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[HSM2NSRCS];
double lnNdens[HSM2NSRCS];
int i;
double G = 0.0 ;
double TTEMP = 0.0 ;
/* for induced gate noise calculation: */
double omega = ckt->CKTomega;
double sid, ci, sigrat, Qdrat;
double realXds, imagXds, realXgs, imagXgs ;
/* define the names of the noise sources */
static char * HSM2nNames[HSM2NSRCS] = {
/* Note that we have to keep the order
consistent with the index definitions
in hsm2defs.h */
".rd", /* noise due to rd */
".rs", /* noise due to rs */
".id", /* noise due to id */
".1ovf", /* flicker (1/f) noise */
".igs", /* shot noise due to Igs */
".igd", /* shot noise due to Igd */
".igb", /* shot noise due to Igb */
".ign", /* induced gate noise component at the drain node */
"" /* total transistor noise */
};
for ( ;model != NULL; model = model->HSM2nextModel ) {
for ( here = model->HSM2instances; here != NULL;
here = here->HSM2nextInstance ) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for ( i = 0; i < HSM2NSRCS; i++ ) {
(void) sprintf(name, "onoise.%s%s",
(char *)here->HSM2name, HSM2nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
((long unsigned int)data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, NULL);
}
break;
case INT_NOIZ:
for ( i = 0; i < HSM2NSRCS; i++ ) {
(void) sprintf(name, "onoise_total.%s%s",
(char *)here->HSM2name, HSM2nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
((long unsigned int)data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, NULL);
(void) sprintf(name, "inoise_total.%s%s",
(char *)here->HSM2name, HSM2nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
((long unsigned int)data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, NULL);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
/* temperature */
TTEMP = ckt->CKTtemp ;
if ( here->HSM2_temp_Given ) TTEMP = here->HSM2_ktemp ;
if ( here->HSM2_dtemp_Given ) {
TTEMP = TTEMP + here->HSM2_dtemp ;
}
/* rs/rd thermal noise */
if ( model->HSM2_corsrd < 0 ) {
NevalSrc(&noizDens[HSM2RDNOIZ], (double*) NULL,
ckt, N_GAIN,
here->HSM2dNodePrime, here->HSM2dNode,
(double) 0.0);
noizDens[HSM2RDNOIZ] *= 4 * CONSTboltz * TTEMP * here->HSM2drainConductance ;
lnNdens[HSM2RDNOIZ] = log( MAX(noizDens[HSM2RDNOIZ],N_MINLOG) ) ;
NevalSrc(&noizDens[HSM2RSNOIZ], (double*) NULL,
ckt, N_GAIN,
here->HSM2sNodePrime, here->HSM2sNode,
(double) 0.0);
noizDens[HSM2RSNOIZ] *= 4 * CONSTboltz * TTEMP * here->HSM2sourceConductance ;
lnNdens[HSM2RSNOIZ] = log( MAX(noizDens[HSM2RSNOIZ],N_MINLOG) ) ;
/*
NevalSrc(&noizDens[HSM2RDNOIZ], &lnNdens[HSM2RDNOIZ],
ckt, THERMNOISE,
here->HSM2dNodePrime, here->HSM2dNode,
here->HSM2_weff / model->HSM2_rsh);
NevalSrc(&noizDens[HSM2RSNOIZ], &lnNdens[HSM2RSNOIZ],
ckt, THERMNOISE,
here->HSM2sNodePrime, here->HSM2sNode,
here->HSM2_weff / model->HSM2_rsh);
*/
} else {
noizDens[HSM2RDNOIZ] = 0e0 ;
lnNdens[HSM2RDNOIZ] = N_MINLOG ;
noizDens[HSM2RSNOIZ] = 0e0 ;
lnNdens[HSM2RSNOIZ] = N_MINLOG ;
}
/* channel thermal noise */
switch( model->HSM2_noise ) {
case 1:
/* HiSIM2 model */
if ( model->HSM2_corsrd <= 0 || here->HSM2internalGd <= 0.0 ) {
G = here->HSM2_noithrml ;
} else {
if ( here->HSM2_noithrml * here->HSM2internalGd * here->HSM2internalGs > 0.0 ) {
G = here->HSM2_noithrml * here->HSM2internalGd * here->HSM2internalGs
/ ( here->HSM2_noithrml * here->HSM2internalGd
+ here->HSM2internalGd * here->HSM2internalGs
+ here->HSM2_noithrml * here->HSM2internalGs );
} else {
G = 0.0;
}
}
NevalSrc(&noizDens[HSM2IDNOIZ], (double*) NULL,
ckt, N_GAIN,
here->HSM2dNodePrime, here->HSM2sNodePrime,
(double) 0.0);
noizDens[HSM2IDNOIZ] *= 4 * CONSTboltz * TTEMP * G ;
lnNdens[HSM2IDNOIZ] = log( MAX(noizDens[HSM2IDNOIZ],N_MINLOG) );
break;
}
/* flicker noise */
NevalSrc(&noizDens[HSM2FLNOIZ], (double*) NULL,
ckt, N_GAIN,
here->HSM2dNodePrime, here->HSM2sNodePrime,
(double) 0.0);
switch ( model->HSM2_noise ) {
case 1:
/* HiSIM model */
noizDens[HSM2FLNOIZ] *= here->HSM2_noiflick / pow(data->freq, model->HSM2_falph) ;
break;
}
lnNdens[HSM2FLNOIZ] = log(MAX(noizDens[HSM2FLNOIZ], N_MINLOG));
/* shot noise */
NevalSrc(&noizDens[HSM2IGSNOIZ],
&lnNdens[HSM2IGSNOIZ], ckt, SHOTNOISE,
here->HSM2gNodePrime, here->HSM2sNodePrime,
here->HSM2_igs);
NevalSrc(&noizDens[HSM2IGDNOIZ],
&lnNdens[HSM2IGDNOIZ], ckt, SHOTNOISE,
here->HSM2gNodePrime, here->HSM2dNodePrime,
here->HSM2_igd);
NevalSrc(&noizDens[HSM2IGBNOIZ],
&lnNdens[HSM2IGBNOIZ], ckt, SHOTNOISE,
here->HSM2gNodePrime, here->HSM2bNodePrime,
here->HSM2_igb);
/* induced gate noise */
switch ( model->HSM2_noise ) {
case 1:
/* HiSIM model */
sid = 4.0 * CONSTboltz * TTEMP * here->HSM2_noithrml ;
ci = here->HSM2_noicross ;
sigrat = (sid > 0.0 && here->HSM2_noiigate > 0.0) ? sqrt(here->HSM2_noiigate/sid) : 0.0 ;
Qdrat = here->HSM2_Qdrat ;
realXds = *(ckt->CKTrhs +here->HSM2dNodePrime) - *(ckt->CKTrhs +here->HSM2sNodePrime);
imagXds = *(ckt->CKTirhs+here->HSM2dNodePrime) - *(ckt->CKTirhs+here->HSM2sNodePrime);
realXgs = *(ckt->CKTrhs +here->HSM2gNodePrime) - *(ckt->CKTrhs +here->HSM2sNodePrime);
imagXgs = *(ckt->CKTirhs+here->HSM2gNodePrime) - *(ckt->CKTirhs+here->HSM2sNodePrime);
noizDens[HSM2IGNOIZ] = 2.0 * omega * ci * sigrat * sid * ( realXgs*imagXds - realXds*imagXgs )
+ omega*omega * sigrat*sigrat * sid * ( (realXgs-Qdrat*realXds) * (realXgs-Qdrat*realXds)
+(imagXgs-Qdrat*imagXds) * (imagXgs-Qdrat*imagXds) ) ;
lnNdens[HSM2IGNOIZ] = log(MAX(noizDens[HSM2IGNOIZ], N_MINLOG));
break;
}
/* total */
noizDens[HSM2TOTNOIZ] = noizDens[HSM2RDNOIZ] + noizDens[HSM2RSNOIZ]
+ noizDens[HSM2IDNOIZ] + noizDens[HSM2FLNOIZ]
+ noizDens[HSM2IGSNOIZ] + noizDens[HSM2IGDNOIZ] + noizDens[HSM2IGBNOIZ]
+ noizDens[HSM2IGNOIZ];
lnNdens[HSM2TOTNOIZ] = log(MAX(noizDens[HSM2TOTNOIZ], N_MINLOG));
/* printf("f %e Sid %.16e Srd %.16e Srs %.16e Sflick %.16e Stherm %.16e Sign %.16e\n", */
/* data->freq,noizDens[HSM2TOTNOIZ],noizDens[HSM2RDNOIZ],noizDens[HSM2RSNOIZ],noizDens[HSM2FLNOIZ],noizDens[HSM2IDNOIZ],noizDens[HSM2IGNOIZ]); */
*OnDens += noizDens[HSM2TOTNOIZ];
if ( data->delFreq == 0.0 ) {
/* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for ( i = 0; i < HSM2NSRCS; i++ )
here->HSM2nVar[LNLSTDENS][i] = lnNdens[i];
/* clear out our integration variables
if it's the first pass
*/
if (data->freq == ((NOISEAN*) ckt->CKTcurJob)->NstartFreq) {
for (i = 0; i < HSM2NSRCS; i++) {
here->HSM2nVar[OUTNOIZ][i] = 0.0;
here->HSM2nVar[INNOIZ][i] = 0.0;
}
}
}
else {
/* data->delFreq != 0.0,
we have to integrate.
*/
for ( i = 0; i < HSM2NSRCS; i++ ) {
if ( i != HSM2TOTNOIZ ) {
tempOnoise =
Nintegrate(noizDens[i], lnNdens[i],
here->HSM2nVar[LNLSTDENS][i], data);
tempInoise =
Nintegrate(noizDens[i] * data->GainSqInv,
lnNdens[i] + data->lnGainInv,
here->HSM2nVar[LNLSTDENS][i] + data->lnGainInv,
data);
here->HSM2nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
here->HSM2nVar[OUTNOIZ][i] += tempOnoise;
here->HSM2nVar[OUTNOIZ][HSM2TOTNOIZ] += tempOnoise;
here->HSM2nVar[INNOIZ][i] += tempInoise;
here->HSM2nVar[INNOIZ][HSM2TOTNOIZ] += tempInoise;
}
}
}
}
if ( data->prtSummary ) {
for (i = 0; i < HSM2NSRCS; i++) {
/* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
for ( i = 0; i < HSM2NSRCS; i++ ) {
data->outpVector[data->outNumber++] = here->HSM2nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = here->HSM2nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
HSM1noise (int mode, int operation, GENmodel *inModel, CKTcircuit *ckt,
register Ndata *data, double *OnDens)
{
register HSM1model *model = (HSM1model *)inModel;
register HSM1instance *here;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[HSM1NSRCS];
double lnNdens[HSM1NSRCS];
register int i;
/* define the names of the noise sources */
static char * HSM1nNames[HSM1NSRCS] = {
/* Note that we have to keep the order
consistent with the index definitions
in hsm1defs.h */
".rd", /* noise due to rd */
".rs", /* noise due to rs */
".id", /* noise due to id */
".1ovf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for ( ;model != NULL; model = model->HSM1nextModel ) {
for ( here = model->HSM1instances; here != NULL;
here = here->HSM1nextInstance ) {
if (here->HSM1owner != ARCHme)
continue;
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for ( i = 0; i < HSM1NSRCS; i++ ) {
(void) sprintf(name, "onoise.%s%s",
(char *)here->HSM1name, HSM1nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
(data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, (void **) NULL);
}
break;
case INT_NOIZ:
for ( i = 0; i < HSM1NSRCS; i++ ) {
(void) sprintf(name, "onoise_total.%s%s",
(char *)here->HSM1name, HSM1nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
(data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, (void **) NULL);
(void) sprintf(name, "inoise_total.%s%s",
(char *)here->HSM1name, HSM1nNames[i]);
data->namelist =
(IFuid *) trealloc((char *) data->namelist,
(data->numPlots + 1) * sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))
(ckt, &(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER, (void **)NULL);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[HSM1RDNOIZ], &lnNdens[HSM1RDNOIZ],
ckt, THERMNOISE,
here->HSM1dNodePrime, here->HSM1dNode,
here->HSM1drainConductance * here->HSM1_m);
NevalSrc(&noizDens[HSM1RSNOIZ], &lnNdens[HSM1RSNOIZ],
ckt, THERMNOISE,
here->HSM1sNodePrime, here->HSM1sNode,
here->HSM1sourceConductance * here->HSM1_m);
switch( model->HSM1_noise ) {
double I;
case 1:
case 3:
I = here->HSM1_gm + here->HSM1_gds + here->HSM1_gmbs;
I *= (I < 0.0) ? -1.0 : 1.0;
I *= 2.0/3.0;
I *= here->HSM1_m; /* PN */
NevalSrc(&noizDens[HSM1IDNOIZ], &lnNdens[HSM1IDNOIZ],
ckt, THERMNOISE,
here->HSM1dNodePrime, here->HSM1sNodePrime, I);
break;
case 2:
case 4:
I = -1.0 * (here->HSM1_qg + here->HSM1_qb)
/ (here->HSM1_weff * here->HSM1_leff);
I *= (I < 0.0) ? -1.0 : 1.0;
I *= here->HSM1_mu;
I *= here->HSM1_m; /* PN */
NevalSrc(&noizDens[HSM1IDNOIZ], &lnNdens[HSM1IDNOIZ],
ckt, THERMNOISE,
here->HSM1dNodePrime, here->HSM1sNodePrime, I);
break;
case 5:
NevalSrc(&noizDens[HSM1IDNOIZ], &lnNdens[HSM1IDNOIZ],
ckt, THERMNOISE,
here->HSM1dNodePrime, here->HSM1sNodePrime, 0.0);
break;
}
NevalSrc(&noizDens[HSM1FLNOIZ], (double*) NULL,
ckt, N_GAIN,
here->HSM1dNodePrime, here->HSM1sNodePrime,
(double) 0.0);
/* flicker noise */
switch ( model->HSM1_noise ) {
case 1:
case 4: /* SPICE2 model */
noizDens[HSM1FLNOIZ] *= here->HSM1_m * model->HSM1_kf
* exp(model->HSM1_af * log(MAX(fabs(here->HSM1_ids), N_MINLOG)))
/ (pow(data->freq, model->HSM1_ef) * here->HSM1_leff
* here->HSM1_leff * (3.453133e-11 / model->HSM1_tox));
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~cox */
break;
case 2:
case 3:
case 5:
/* from HiSIM */
noizDens[HSM1FLNOIZ] *= here->HSM1_nfc / data->freq;
break;
}
lnNdens[HSM1FLNOIZ] = log(MAX(noizDens[HSM1FLNOIZ], N_MINLOG));
noizDens[HSM1TOTNOIZ] = noizDens[HSM1RDNOIZ] + noizDens[HSM1RSNOIZ]
+ noizDens[HSM1IDNOIZ] + noizDens[HSM1FLNOIZ];
lnNdens[HSM1TOTNOIZ] = log(MAX(noizDens[HSM1TOTNOIZ], N_MINLOG));
*OnDens += noizDens[HSM1TOTNOIZ];
if ( data->delFreq == 0.0 ) {
/* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for ( i = 0; i < HSM1NSRCS; i++ )
here->HSM1nVar[LNLSTDENS][i] = lnNdens[i];
/* clear out our integration variables
if it's the first pass
*/
if (data->freq == ((NOISEAN*) ckt->CKTcurJob)->NstartFreq) {
for (i = 0; i < HSM1NSRCS; i++) {
here->HSM1nVar[OUTNOIZ][i] = 0.0;
here->HSM1nVar[INNOIZ][i] = 0.0;
}
}
}
else {
/* data->delFreq != 0.0,
we have to integrate.
*/
for ( i = 0; i < HSM1NSRCS; i++ ) {
if ( i != HSM1TOTNOIZ ) {
tempOnoise =
Nintegrate(noizDens[i], lnNdens[i],
here->HSM1nVar[LNLSTDENS][i], data);
tempInoise =
Nintegrate(noizDens[i] * data->GainSqInv,
lnNdens[i] + data->lnGainInv,
here->HSM1nVar[LNLSTDENS][i] + data->lnGainInv,
data);
here->HSM1nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
here->HSM1nVar[OUTNOIZ][i] += tempOnoise;
here->HSM1nVar[OUTNOIZ][HSM1TOTNOIZ] += tempOnoise;
here->HSM1nVar[INNOIZ][i] += tempInoise;
here->HSM1nVar[INNOIZ][HSM1TOTNOIZ] += tempInoise;
}
}
}
}
if ( data->prtSummary ) {
for (i = 0; i < HSM1NSRCS; i++) {
/* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if ( ((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0 ) {
for ( i = 0; i < HSM1NSRCS; i++ ) {
data->outpVector[data->outNumber++] = here->HSM1nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = here->HSM1nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
SWnoise(int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
SWmodel *firstModel = (SWmodel *) genmodel;
SWmodel *model;
SWinstance *inst;
double tempOutNoise;
double tempInNoise;
double noizDens;
double lnNdens;
int current_state;
for (model = firstModel; model; model = SWnextModel(model))
for (inst = SWinstances(model); inst; inst = SWnextInstance(inst)) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name the noise generator */
if (job->NStpsSm != 0)
switch (mode) {
case N_DENS:
NOISE_ADD_OUTVAR(ckt, data, "onoise_%s%s", inst->SWname, "");
break;
case INT_NOIZ:
NOISE_ADD_OUTVAR(ckt, data, "onoise_total_%s%s", inst->SWname, "");
NOISE_ADD_OUTVAR(ckt, data, "inoise_total_%s%s", inst->SWname, "");
break;
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
current_state = (int) ckt->CKTstate0[inst->SWswitchstate];
NevalSrc(&noizDens, &lnNdens, ckt, THERMNOISE,
inst->SWposNode, inst->SWnegNode,
current_state ? model->SWonConduct : model->SWoffConduct);
*OnDens += noizDens;
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
inst->SWnVar[LNLSTDENS] = lnNdens;
/* clear out our integration variable if it's the first pass */
if (data->freq == job->NstartFreq)
inst->SWnVar[OUTNOIZ] = 0.0;
} else { /* data->delFreq != 0.0 (we have to integrate) */
tempOutNoise = Nintegrate(noizDens, lnNdens,
inst->SWnVar[LNLSTDENS], data);
tempInNoise = Nintegrate(noizDens *
data->GainSqInv, lnNdens + data->lnGainInv,
inst->SWnVar[LNLSTDENS] + data->lnGainInv,
data);
inst->SWnVar[OUTNOIZ] += tempOutNoise;
inst->SWnVar[INNOIZ] += tempInNoise;
data->outNoiz += tempOutNoise;
data->inNoise += tempInNoise;
inst->SWnVar[LNLSTDENS] = lnNdens;
}
if (data->prtSummary)
data->outpVector[data->outNumber++] = noizDens;
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
data->outpVector[data->outNumber++] = inst->SWnVar[OUTNOIZ];
data->outpVector[data->outNumber++] = inst->SWnVar[INNOIZ];
}
break;
}
break;
case N_CLOSE:
return OK; /* do nothing, the main calling routine will close */
break; /* the plots */
}
}
return OK;
}
int
JFETnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *data,
double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
JFETmodel *firstModel = (JFETmodel *) genmodel;
JFETmodel *model;
JFETinstance *inst;
double tempOnoise;
double tempInoise;
double noizDens[JFETNSRCS];
double lnNdens[JFETNSRCS];
int i;
double vgs, vds, vgst, alpha, beta;
/* define the names of the noise sources */
static char *JFETnNames[JFETNSRCS] = { /* Note that we have to keep the order */
"_rd", /* noise due to rd */ /* consistent with thestrchr definitions */
"_rs", /* noise due to rs */ /* in JFETdefs.h */
"_id", /* noise due to id */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=JFETnextModel(model)) {
for (inst=JFETinstances(model); inst != NULL; inst=JFETnextInstance(inst)) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < JFETNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_%s%s", inst->JFETname, JFETnNames[i]);
}
break;
case INT_NOIZ:
for (i=0; i < JFETNSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_total_%s%s", inst->JFETname, JFETnNames[i]);
NOISE_ADD_OUTVAR(ckt, data, "inoise_total_%s%s", inst->JFETname, JFETnNames[i]);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[JFETRDNOIZ],&lnNdens[JFETRDNOIZ],
ckt,THERMNOISE,inst->JFETdrainPrimeNode,inst->JFETdrainNode,
model->JFETdrainConduct * inst->JFETarea * inst->JFETm);
NevalSrc(&noizDens[JFETRSNOIZ],&lnNdens[JFETRSNOIZ],
ckt,THERMNOISE,inst->JFETsourcePrimeNode,
inst->JFETsourceNode,model->JFETsourceConduct
* inst->JFETarea * inst->JFETm);
if (model->JFETnlev < 3) {
NevalSrc(&noizDens[JFETIDNOIZ],&lnNdens[JFETIDNOIZ],
ckt,THERMNOISE,inst->JFETdrainPrimeNode,
inst->JFETsourcePrimeNode,
(2.0/3.0 * inst->JFETm * fabs(*(ckt->CKTstate0 + inst->JFETgm))));
} else {
vgs = *(ckt->CKTstate0 + inst->JFETvgs);
vds = vgs - *(ckt->CKTstate0 + inst->JFETvgd);
vgst = vgs - inst->JFETtThreshold;
if (vgst >= vds)
alpha = 1 - vds/vgst; /* linear region */
else
alpha = 0; /* saturation region */
beta = inst->JFETtBeta * inst->JFETarea * inst->JFETm;
NevalSrc(&noizDens[JFETIDNOIZ],&lnNdens[JFETIDNOIZ],
ckt,THERMNOISE,inst->JFETdrainPrimeNode,
inst->JFETsourcePrimeNode,
(2.0/3.0 * beta*vgst*(1+alpha+alpha*alpha)/(1+alpha)*model->JFETgdsnoi));
}
NevalSrc(&noizDens[JFETFLNOIZ], NULL, ckt,
N_GAIN,inst->JFETdrainPrimeNode,
inst->JFETsourcePrimeNode, (double)0.0);
noizDens[JFETFLNOIZ] *= inst->JFETm * model->JFETfNcoef *
exp(model->JFETfNexp *
log(MAX(fabs(*(ckt->CKTstate0 + inst->JFETcd)),N_MINLOG))) /
data->freq;
lnNdens[JFETFLNOIZ] =
log(MAX(noizDens[JFETFLNOIZ],N_MINLOG));
noizDens[JFETTOTNOIZ] = noizDens[JFETRDNOIZ] +
noizDens[JFETRSNOIZ] +
noizDens[JFETIDNOIZ] +
noizDens[JFETFLNOIZ];
lnNdens[JFETTOTNOIZ] =
log(MAX(noizDens[JFETTOTNOIZ], N_MINLOG));
*OnDens += noizDens[JFETTOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < JFETNSRCS; i++) {
inst->JFETnVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < JFETNSRCS; i++) {
inst->JFETnVar[OUTNOIZ][i] = 0.0;
inst->JFETnVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
for (i=0; i < JFETNSRCS; i++) {
if (i != JFETTOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->JFETnVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->JFETnVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->JFETnVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->JFETnVar[OUTNOIZ][i] += tempOnoise;
inst->JFETnVar[OUTNOIZ][JFETTOTNOIZ] += tempOnoise;
inst->JFETnVar[INNOIZ][i] += tempInoise;
inst->JFETnVar[INNOIZ][JFETTOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < JFETNSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < JFETNSRCS; i++) {
data->outpVector[data->outNumber++] = inst->JFETnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->JFETnVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
BSIM4v5noise (
int mode, int operation,
GENmodel *inModel,
CKTcircuit *ckt,
Ndata *data,
double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
BSIM4v5model *model = (BSIM4v5model *)inModel;
BSIM4v5instance *here;
struct bsim4v5SizeDependParam *pParam;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[BSIM4v5NSRCS];
double lnNdens[BSIM4v5NSRCS];
double T0, T1, T2, T5, T10, T11;
double Vds, Ssi, Swi;
double tmp=0.0, gdpr, gspr, npart_theta=0.0, npart_beta=0.0, igsquare, bodymode;
double m;
int i;
/* define the names of the noise sources */
static char *BSIM4v5nNames[BSIM4v5NSRCS] =
{ /* Note that we have to keep the order */
".rd", /* noise due to rd */
".rs", /* noise due to rs */
".rg", /* noise due to rgeltd */
".rbps", /* noise due to rbps */
".rbpd", /* noise due to rbpd */
".rbpb", /* noise due to rbpb */
".rbsb", /* noise due to rbsb */
".rbdb", /* noise due to rbdb */
".id", /* noise due to id */
".1overf", /* flicker (1/f) noise */
".igs", /* shot noise due to IGS */
".igd", /* shot noise due to IGD */
".igb", /* shot noise due to IGB */
"" /* total transistor noise */
};
for (; model != NULL; model = model->BSIM4v5nextModel)
{ for (here = model->BSIM4v5instances; here != NULL;
here = here->BSIM4v5nextInstance)
{ pParam = here->pParam;
switch (operation)
{ case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0)
{ switch (mode)
{ case N_DENS:
for (i = 0; i < BSIM4v5NSRCS; i++)
{ (void) sprintf(name, "onoise.%s%s",
here->BSIM4v5name,
BSIM4v5nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i = 0; i < BSIM4v5NSRCS; i++)
{ (void) sprintf(name, "onoise_total.%s%s",
here->BSIM4v5name,
BSIM4v5nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
(void) sprintf(name, "inoise_total.%s%s",
here->BSIM4v5name,
BSIM4v5nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
m = here->BSIM4v5m;
switch (mode)
{ case N_DENS:
if (model->BSIM4v5tnoiMod == 0)
{ if (model->BSIM4v5rdsMod == 0)
{ gspr = here->BSIM4v5sourceConductance;
gdpr = here->BSIM4v5drainConductance;
if (here->BSIM4v5grdsw > 0.0)
tmp = 1.0 / here->BSIM4v5grdsw; /* tmp used below */
else
tmp = 0.0;
}
else
{ gspr = here->BSIM4v5gstot;
gdpr = here->BSIM4v5gdtot;
tmp = 0.0;
}
}
else
{ T5 = here->BSIM4v5Vgsteff / here->BSIM4v5EsatL;
T5 *= T5;
npart_beta = model->BSIM4v5rnoia * (1.0 + T5
* model->BSIM4v5tnoia * pParam->BSIM4v5leff);
npart_theta = model->BSIM4v5rnoib * (1.0 + T5
* model->BSIM4v5tnoib * pParam->BSIM4v5leff);
if (model->BSIM4v5rdsMod == 0)
{ gspr = here->BSIM4v5sourceConductance;
gdpr = here->BSIM4v5drainConductance;
}
else
{ gspr = here->BSIM4v5gstot;
gdpr = here->BSIM4v5gdtot;
}
if ((*(ckt->CKTstates[0] + here->BSIM4v5vds)) >= 0.0)
gspr = gspr / (1.0 + npart_theta * npart_theta * gspr
/ here->BSIM4v5IdovVds); /* bugfix */
else
gdpr = gdpr / (1.0 + npart_theta * npart_theta * gdpr
/ here->BSIM4v5IdovVds);
}
NevalSrc(&noizDens[BSIM4v5RDNOIZ],
&lnNdens[BSIM4v5RDNOIZ], ckt, THERMNOISE,
here->BSIM4v5dNodePrime, here->BSIM4v5dNode,
gdpr * m);
NevalSrc(&noizDens[BSIM4v5RSNOIZ],
&lnNdens[BSIM4v5RSNOIZ], ckt, THERMNOISE,
here->BSIM4v5sNodePrime, here->BSIM4v5sNode,
gspr * m);
if ((here->BSIM4v5rgateMod == 1) || (here->BSIM4v5rgateMod == 2))
{ NevalSrc(&noizDens[BSIM4v5RGNOIZ],
&lnNdens[BSIM4v5RGNOIZ], ckt, THERMNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5gNodeExt,
here->BSIM4v5grgeltd * m);
}
else if (here->BSIM4v5rgateMod == 3)
{ NevalSrc(&noizDens[BSIM4v5RGNOIZ],
&lnNdens[BSIM4v5RGNOIZ], ckt, THERMNOISE,
here->BSIM4v5gNodeMid, here->BSIM4v5gNodeExt,
here->BSIM4v5grgeltd * m);
}
else
{ noizDens[BSIM4v5RGNOIZ] = 0.0;
lnNdens[BSIM4v5RGNOIZ] =
log(MAX(noizDens[BSIM4v5RGNOIZ], N_MINLOG));
}
bodymode = 5;
if (here->BSIM4v5rbodyMod == 2)
{ if( ( !model->BSIM4v5rbps0Given) ||
( !model->BSIM4v5rbpd0Given) )
bodymode = 1;
else
if( (!model->BSIM4v5rbsbx0Given && !model->BSIM4v5rbsby0Given) ||
(!model->BSIM4v5rbdbx0Given && !model->BSIM4v5rbdby0Given) )
bodymode = 3;
}
if (here->BSIM4v5rbodyMod)
{
if(bodymode == 5)
{
NevalSrc(&noizDens[BSIM4v5RBPSNOIZ],
&lnNdens[BSIM4v5RBPSNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5sbNode,
here->BSIM4v5grbps * m);
NevalSrc(&noizDens[BSIM4v5RBPDNOIZ],
&lnNdens[BSIM4v5RBPDNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5dbNode,
here->BSIM4v5grbpd * m);
NevalSrc(&noizDens[BSIM4v5RBPBNOIZ],
&lnNdens[BSIM4v5RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5bNode,
here->BSIM4v5grbpb * m);
NevalSrc(&noizDens[BSIM4v5RBSBNOIZ],
&lnNdens[BSIM4v5RBSBNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNode, here->BSIM4v5sbNode,
here->BSIM4v5grbsb * m);
NevalSrc(&noizDens[BSIM4v5RBDBNOIZ],
&lnNdens[BSIM4v5RBDBNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNode, here->BSIM4v5dbNode,
here->BSIM4v5grbdb * m);
}
if(bodymode == 3)
{
NevalSrc(&noizDens[BSIM4v5RBPSNOIZ],
&lnNdens[BSIM4v5RBPSNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5sbNode,
here->BSIM4v5grbps * m);
NevalSrc(&noizDens[BSIM4v5RBPDNOIZ],
&lnNdens[BSIM4v5RBPDNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5dbNode,
here->BSIM4v5grbpd * m);
NevalSrc(&noizDens[BSIM4v5RBPBNOIZ],
&lnNdens[BSIM4v5RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5bNode,
here->BSIM4v5grbpb * m);
noizDens[BSIM4v5RBSBNOIZ] = noizDens[BSIM4v5RBDBNOIZ] = 0.0;
lnNdens[BSIM4v5RBSBNOIZ] =
log(MAX(noizDens[BSIM4v5RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBDBNOIZ] =
log(MAX(noizDens[BSIM4v5RBDBNOIZ], N_MINLOG));
}
if(bodymode == 1)
{
NevalSrc(&noizDens[BSIM4v5RBPBNOIZ],
&lnNdens[BSIM4v5RBPBNOIZ], ckt, THERMNOISE,
here->BSIM4v5bNodePrime, here->BSIM4v5bNode,
here->BSIM4v5grbpb * m);
noizDens[BSIM4v5RBPSNOIZ] = noizDens[BSIM4v5RBPDNOIZ] = 0.0;
noizDens[BSIM4v5RBSBNOIZ] = noizDens[BSIM4v5RBDBNOIZ] = 0.0;
lnNdens[BSIM4v5RBPSNOIZ] =
log(MAX(noizDens[BSIM4v5RBPSNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBPDNOIZ] =
log(MAX(noizDens[BSIM4v5RBPDNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBSBNOIZ] =
log(MAX(noizDens[BSIM4v5RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBDBNOIZ] =
log(MAX(noizDens[BSIM4v5RBDBNOIZ], N_MINLOG));
}
}
else
{ noizDens[BSIM4v5RBPSNOIZ] = noizDens[BSIM4v5RBPDNOIZ] = 0.0;
noizDens[BSIM4v5RBPBNOIZ] = 0.0;
noizDens[BSIM4v5RBSBNOIZ] = noizDens[BSIM4v5RBDBNOIZ] = 0.0;
lnNdens[BSIM4v5RBPSNOIZ] =
log(MAX(noizDens[BSIM4v5RBPSNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBPDNOIZ] =
log(MAX(noizDens[BSIM4v5RBPDNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBPBNOIZ] =
log(MAX(noizDens[BSIM4v5RBPBNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBSBNOIZ] =
log(MAX(noizDens[BSIM4v5RBSBNOIZ], N_MINLOG));
lnNdens[BSIM4v5RBDBNOIZ] =
log(MAX(noizDens[BSIM4v5RBDBNOIZ], N_MINLOG));
}
switch(model->BSIM4v5tnoiMod)
{ case 0:
T0 = here->BSIM4v5ueff * fabs(here->BSIM4v5qinv);
T1 = T0 * tmp + pParam->BSIM4v5leff
* pParam->BSIM4v5leff;
NevalSrc(&noizDens[BSIM4v5IDNOIZ],
&lnNdens[BSIM4v5IDNOIZ], ckt,
THERMNOISE, here->BSIM4v5dNodePrime,
here->BSIM4v5sNodePrime,
m * (T0 / T1) * model->BSIM4v5ntnoi);
break;
case 1:
T0 = here->BSIM4v5gm + here->BSIM4v5gmbs + here->BSIM4v5gds;
T0 *= T0;
igsquare = npart_theta * npart_theta * T0 / here->BSIM4v5IdovVds;
T1 = npart_beta * (here->BSIM4v5gm
+ here->BSIM4v5gmbs) + here->BSIM4v5gds;
T2 = T1 * T1 / here->BSIM4v5IdovVds;
NevalSrc(&noizDens[BSIM4v5IDNOIZ],
&lnNdens[BSIM4v5IDNOIZ], ckt,
THERMNOISE, here->BSIM4v5dNodePrime,
here->BSIM4v5sNodePrime, m * (T2 - igsquare));
break;
}
NevalSrc(&noizDens[BSIM4v5FLNOIZ], NULL,
ckt, N_GAIN, here->BSIM4v5dNodePrime,
here->BSIM4v5sNodePrime, (double) 0.0);
switch(model->BSIM4v5fnoiMod)
{ case 0:
noizDens[BSIM4v5FLNOIZ] *= m * model->BSIM4v5kf
* exp(model->BSIM4v5af
* log(MAX(fabs(here->BSIM4v5cd),
N_MINLOG)))
/ (pow(data->freq, model->BSIM4v5ef)
* pParam->BSIM4v5leff
* pParam->BSIM4v5leff
* model->BSIM4v5coxe);
break;
case 1:
Vds = *(ckt->CKTstates[0] + here->BSIM4v5vds);
if (Vds < 0.0)
Vds = -Vds;
Ssi = BSIM4v5Eval1ovFNoise(Vds, model, here,
data->freq, ckt->CKTtemp);
T10 = model->BSIM4v5oxideTrapDensityA
* CONSTboltz * ckt->CKTtemp;
T11 = pParam->BSIM4v5weff * here->BSIM4v5nf * pParam->BSIM4v5leff
* pow(data->freq, model->BSIM4v5ef) * 1.0e10
* here->BSIM4v5nstar * here->BSIM4v5nstar;
Swi = T10 / T11 * here->BSIM4v5cd
* here->BSIM4v5cd;
T1 = Swi + Ssi;
if (T1 > 0.0)
noizDens[BSIM4v5FLNOIZ] *= m * (Ssi * Swi) / T1;
else
noizDens[BSIM4v5FLNOIZ] *= 0.0;
break;
}
lnNdens[BSIM4v5FLNOIZ] =
log(MAX(noizDens[BSIM4v5FLNOIZ], N_MINLOG));
if(here->BSIM4v5mode >= 0) { /* bugfix */
NevalSrc(&noizDens[BSIM4v5IGSNOIZ],
&lnNdens[BSIM4v5IGSNOIZ], ckt, SHOTNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5sNodePrime,
m * (here->BSIM4v5Igs + here->BSIM4v5Igcs));
NevalSrc(&noizDens[BSIM4v5IGDNOIZ],
&lnNdens[BSIM4v5IGDNOIZ], ckt, SHOTNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5dNodePrime,
m * (here->BSIM4v5Igd + here->BSIM4v5Igcd));
} else {
NevalSrc(&noizDens[BSIM4v5IGSNOIZ],
&lnNdens[BSIM4v5IGSNOIZ], ckt, SHOTNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5sNodePrime,
m * (here->BSIM4v5Igs + here->BSIM4v5Igcd));
NevalSrc(&noizDens[BSIM4v5IGDNOIZ],
&lnNdens[BSIM4v5IGDNOIZ], ckt, SHOTNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5dNodePrime,
m * (here->BSIM4v5Igd + here->BSIM4v5Igcs));
}
NevalSrc(&noizDens[BSIM4v5IGBNOIZ],
&lnNdens[BSIM4v5IGBNOIZ], ckt, SHOTNOISE,
here->BSIM4v5gNodePrime, here->BSIM4v5bNodePrime,
m * here->BSIM4v5Igb);
noizDens[BSIM4v5TOTNOIZ] = noizDens[BSIM4v5RDNOIZ]
+ noizDens[BSIM4v5RSNOIZ] + noizDens[BSIM4v5RGNOIZ]
+ noizDens[BSIM4v5RBPSNOIZ] + noizDens[BSIM4v5RBPDNOIZ]
+ noizDens[BSIM4v5RBPBNOIZ]
+ noizDens[BSIM4v5RBSBNOIZ] + noizDens[BSIM4v5RBDBNOIZ]
+ noizDens[BSIM4v5IDNOIZ] + noizDens[BSIM4v5FLNOIZ]
+ noizDens[BSIM4v5IGSNOIZ] + noizDens[BSIM4v5IGDNOIZ]
+ noizDens[BSIM4v5IGBNOIZ];
lnNdens[BSIM4v5TOTNOIZ] =
log(MAX(noizDens[BSIM4v5TOTNOIZ], N_MINLOG));
*OnDens += noizDens[BSIM4v5TOTNOIZ];
if (data->delFreq == 0.0)
{ /* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for (i = 0; i < BSIM4v5NSRCS; i++)
{ here->BSIM4v5nVar[LNLSTDENS][i] =
lnNdens[i];
}
/* clear out our integration variables
if it's the first pass
*/
if (data->freq ==
job->NstartFreq)
{ for (i = 0; i < BSIM4v5NSRCS; i++)
{ here->BSIM4v5nVar[OUTNOIZ][i] = 0.0;
here->BSIM4v5nVar[INNOIZ][i] = 0.0;
}
}
}
else
{ /* data->delFreq != 0.0,
we have to integrate.
*/
for (i = 0; i < BSIM4v5NSRCS; i++)
{ if (i != BSIM4v5TOTNOIZ)
{ tempOnoise = Nintegrate(noizDens[i],
lnNdens[i],
here->BSIM4v5nVar[LNLSTDENS][i],
data);
tempInoise = Nintegrate(noizDens[i]
* data->GainSqInv, lnNdens[i]
+ data->lnGainInv,
here->BSIM4v5nVar[LNLSTDENS][i]
+ data->lnGainInv, data);
here->BSIM4v5nVar[LNLSTDENS][i] =
lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0)
{ here->BSIM4v5nVar[OUTNOIZ][i]
+= tempOnoise;
here->BSIM4v5nVar[OUTNOIZ][BSIM4v5TOTNOIZ]
+= tempOnoise;
here->BSIM4v5nVar[INNOIZ][i]
+= tempInoise;
here->BSIM4v5nVar[INNOIZ][BSIM4v5TOTNOIZ]
+= tempInoise;
}
}
}
}
if (data->prtSummary)
{ for (i = 0; i < BSIM4v5NSRCS; i++)
{ /* print a summary report */
data->outpVector[data->outNumber++]
= noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if (job->NStpsSm != 0)
{ for (i = 0; i < BSIM4v5NSRCS; i++)
{ data->outpVector[data->outNumber++]
= here->BSIM4v5nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++]
= here->BSIM4v5nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
BSIM3v0noise (int mode, int operation, GENmodel *inModel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
BSIM3v0model *model = (BSIM3v0model *)inModel;
BSIM3v0instance *here;
struct bsim3v0SizeDependParam *pParam;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[BSIM3v0NSRCS];
double lnNdens[BSIM3v0NSRCS];
double vgs, vds, Slimit;
double T1, T10, T11;
double Ssi, Swi;
int i;
/* define the names of the noise sources */
static char *BSIM3v0nNames[BSIM3v0NSRCS] =
{ /* Note that we have to keep the order */
".rd", /* noise due to rd */
/* consistent with the index definitions */
".rs", /* noise due to rs */
/* in BSIM3v0defs.h */
".id", /* noise due to id */
".1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (; model != NULL; model = model->BSIM3v0nextModel)
{ for (here = model->BSIM3v0instances; here != NULL;
here = here->BSIM3v0nextInstance)
{
if (here->BSIM3v0owner != ARCHme)
continue;
pParam = here->pParam;
switch (operation)
{ case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0)
{ switch (mode)
{ case N_DENS:
for (i = 0; i < BSIM3v0NSRCS; i++)
{ (void) sprintf(name, "onoise.%s%s",
here->BSIM3v0name,
BSIM3v0nNames[i]);
data->namelist = (IFuid *) trealloc(
(char *) data->namelist,
(data->numPlots + 1)
* sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid)) (ckt,
&(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER,
(void **) NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i = 0; i < BSIM3v0NSRCS; i++)
{ (void) sprintf(name, "onoise_total.%s%s",
here->BSIM3v0name,
BSIM3v0nNames[i]);
data->namelist = (IFuid *) trealloc(
(char *) data->namelist,
(data->numPlots + 1)
* sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid)) (ckt,
&(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER,
(void **) NULL);
/* we've added one more plot */
(void) sprintf(name, "inoise_total.%s%s",
here->BSIM3v0name,
BSIM3v0nNames[i]);
data->namelist = (IFuid *) trealloc(
(char *) data->namelist,
(data->numPlots + 1)
* sizeof(IFuid));
if (!data->namelist)
return(E_NOMEM);
(*(SPfrontEnd->IFnewUid)) (ckt,
&(data->namelist[data->numPlots++]),
(IFuid) NULL, name, UID_OTHER,
(void **)NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
switch (mode)
{ case N_DENS:
NevalSrc(&noizDens[BSIM3v0RDNOIZ],
&lnNdens[BSIM3v0RDNOIZ], ckt, THERMNOISE,
here->BSIM3v0dNodePrime, here->BSIM3v0dNode,
here->BSIM3v0drainConductance * here->BSIM3v0m);
NevalSrc(&noizDens[BSIM3v0RSNOIZ],
&lnNdens[BSIM3v0RSNOIZ], ckt, THERMNOISE,
here->BSIM3v0sNodePrime, here->BSIM3v0sNode,
here->BSIM3v0sourceConductance * here->BSIM3v0m);
if (model->BSIM3v0noiMod == 2)
{ NevalSrc(&noizDens[BSIM3v0IDNOIZ],
&lnNdens[BSIM3v0IDNOIZ], ckt, THERMNOISE,
here->BSIM3v0dNodePrime,
here->BSIM3v0sNodePrime, (here->BSIM3v0ueff
* fabs((here->BSIM3v0qinv * here->BSIM3v0m)
/ (pParam->BSIM3v0leff
* pParam->BSIM3v0leff))));
}
else
{ NevalSrc(&noizDens[BSIM3v0IDNOIZ],
&lnNdens[BSIM3v0IDNOIZ], ckt, THERMNOISE,
here->BSIM3v0dNodePrime,
here->BSIM3v0sNodePrime,
(2.0 / 3.0 * fabs(here->BSIM3v0gm
+ here->BSIM3v0gds) * here->BSIM3v0m));
}
NevalSrc(&noizDens[BSIM3v0FLNOIZ], (double*) NULL,
ckt, N_GAIN, here->BSIM3v0dNodePrime,
here->BSIM3v0sNodePrime, (double) 0.0);
if (model->BSIM3v0noiMod == 2)
{ vgs = *(ckt->CKTstates[0] + here->BSIM3v0vgs);
vds = *(ckt->CKTstates[0] + here->BSIM3v0vds);
if (vds < 0.0)
{ vds = -vds;
vgs = vgs + vds;
}
if (vgs >= here->BSIM3v0von + 0.1)
{ Ssi = StrongInversionNoiseEval(vgs, vds,
model, here, data->freq,
ckt->CKTtemp);
noizDens[BSIM3v0FLNOIZ] *= Ssi;
}
else
{ pParam = here->pParam;
T10 = model->BSIM3v0oxideTrapDensityA
* 8.62e-5 * (ckt->CKTtemp + CONSTCtoK);
T11 = pParam->BSIM3v0weff * here->BSIM3v0m * pParam->BSIM3v0leff
* pow(data->freq, model->BSIM3v0ef)
* 4.0e36;
Swi = T10 / T11 * here->BSIM3v0cd * here->BSIM3v0m
* here->BSIM3v0cd * here->BSIM3v0m;
Slimit = StrongInversionNoiseEval(
here->BSIM3v0von + 0.1,
vds, model, here,
data->freq, ckt->CKTtemp);
T1 = Swi + Slimit;
if (T1 > 0.0)
noizDens[BSIM3v0FLNOIZ] *= (Slimit * Swi)
/ T1;
else
noizDens[BSIM3v0FLNOIZ] *= 0.0;
}
}
else
{ noizDens[BSIM3v0FLNOIZ] *= model->BSIM3v0kf *
exp(model->BSIM3v0af
* log(MAX(fabs(here->BSIM3v0cd * here->BSIM3v0m),
N_MINLOG)))
/ (pow(data->freq, model->BSIM3v0ef)
* pParam->BSIM3v0leff
* pParam->BSIM3v0leff
* model->BSIM3v0cox);
}
lnNdens[BSIM3v0FLNOIZ] =
log(MAX(noizDens[BSIM3v0FLNOIZ], N_MINLOG));
noizDens[BSIM3v0TOTNOIZ] = noizDens[BSIM3v0RDNOIZ]
+ noizDens[BSIM3v0RSNOIZ]
+ noizDens[BSIM3v0IDNOIZ]
+ noizDens[BSIM3v0FLNOIZ];
lnNdens[BSIM3v0TOTNOIZ] =
log(MAX(noizDens[BSIM3v0TOTNOIZ], N_MINLOG));
*OnDens += noizDens[BSIM3v0TOTNOIZ];
if (data->delFreq == 0.0)
{ /* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for (i = 0; i < BSIM3v0NSRCS; i++)
{ here->BSIM3v0nVar[LNLSTDENS][i] =
lnNdens[i];
}
/* clear out our integration variables
if it's the first pass
*/
if (data->freq ==
((NOISEAN*) ckt->CKTcurJob)->NstartFreq)
{ for (i = 0; i < BSIM3v0NSRCS; i++)
{ here->BSIM3v0nVar[OUTNOIZ][i] = 0.0;
here->BSIM3v0nVar[INNOIZ][i] = 0.0;
}
}
}
else
{ /* data->delFreq != 0.0,
we have to integrate.
*/
for (i = 0; i < BSIM3v0NSRCS; i++)
{ if (i != BSIM3v0TOTNOIZ)
{ tempOnoise = Nintegrate(noizDens[i],
lnNdens[i],
here->BSIM3v0nVar[LNLSTDENS][i],
data);
tempInoise = Nintegrate(noizDens[i]
* data->GainSqInv, lnNdens[i]
+ data->lnGainInv,
here->BSIM3v0nVar[LNLSTDENS][i]
+ data->lnGainInv, data);
here->BSIM3v0nVar[LNLSTDENS][i] =
lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (((NOISEAN*)
ckt->CKTcurJob)->NStpsSm != 0)
{ here->BSIM3v0nVar[OUTNOIZ][i]
+= tempOnoise;
here->BSIM3v0nVar[OUTNOIZ][BSIM3v0TOTNOIZ]
+= tempOnoise;
here->BSIM3v0nVar[INNOIZ][i]
+= tempInoise;
here->BSIM3v0nVar[INNOIZ][BSIM3v0TOTNOIZ]
+= tempInoise;
}
}
}
}
if (data->prtSummary)
{ for (i = 0; i < BSIM3v0NSRCS; i++)
{ /* print a summary report */
data->outpVector[data->outNumber++]
= noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0)
{ for (i = 0; i < BSIM3v0NSRCS; i++)
{ data->outpVector[data->outNumber++]
= here->BSIM3v0nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++]
= here->BSIM3v0nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
B3SOIDDnoise (int mode, int operation, GENmodel *inModel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
B3SOIDDmodel *model = (B3SOIDDmodel *)inModel;
B3SOIDDinstance *here;
struct b3soiddSizeDependParam *pParam;
double tempOnoise;
double tempInoise;
double noizDens[B3SOIDDNSRCS];
double lnNdens[B3SOIDDNSRCS];
double vgs, vds, Slimit;
double T1, T10, T11;
double Ssi, Swi;
int i;
/* define the names of the noise sources */
static char *B3SOIDDnNames[B3SOIDDNSRCS] =
{ /* Note that we have to keep the order */
".rd", /* noise due to rd */
/* consistent with the index definitions */
".rs", /* noise due to rs */
/* in B3SOIDDdefs.h */
".id", /* noise due to id */
".1overf", /* flicker (1/f) noise */
".fb", /* noise due to floating body */
"" /* total transistor noise */
};
for (; model != NULL; model = B3SOIDDnextModel(model))
{ for (here = B3SOIDDinstances(model); here != NULL;
here = B3SOIDDnextInstance(here))
{
pParam = here->pParam;
switch (operation)
{ case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0)
{ switch (mode)
{ case N_DENS:
for (i = 0; i < B3SOIDDNSRCS; i++)
{ NOISE_ADD_OUTVAR(ckt, data, "onoise.%s%s", here->B3SOIDDname, B3SOIDDnNames[i]);
}
break;
case INT_NOIZ:
for (i = 0; i < B3SOIDDNSRCS; i++)
{ NOISE_ADD_OUTVAR(ckt, data, "onoise_total.%s%s", here->B3SOIDDname, B3SOIDDnNames[i]);
NOISE_ADD_OUTVAR(ckt, data, "inoise_total.%s%s", here->B3SOIDDname, B3SOIDDnNames[i]);
}
break;
}
}
break;
case N_CALC:
switch (mode)
{ case N_DENS:
NevalSrc(&noizDens[B3SOIDDRDNOIZ],
&lnNdens[B3SOIDDRDNOIZ], ckt, THERMNOISE,
here->B3SOIDDdNodePrime, here->B3SOIDDdNode,
here->B3SOIDDdrainConductance * here->B3SOIDDm);
NevalSrc(&noizDens[B3SOIDDRSNOIZ],
&lnNdens[B3SOIDDRSNOIZ], ckt, THERMNOISE,
here->B3SOIDDsNodePrime, here->B3SOIDDsNode,
here->B3SOIDDsourceConductance * here->B3SOIDDm);
switch( model->B3SOIDDnoiMod )
{ case 1:
case 3:
NevalSrc(&noizDens[B3SOIDDIDNOIZ],
&lnNdens[B3SOIDDIDNOIZ], ckt,
THERMNOISE, here->B3SOIDDdNodePrime,
here->B3SOIDDsNodePrime,
(2.0 / 3.0 * fabs(here->B3SOIDDm * (here->B3SOIDDgm
+ here->B3SOIDDgds
+ here->B3SOIDDgmbs))));
break;
case 2:
case 4:
NevalSrc(&noizDens[B3SOIDDIDNOIZ],
&lnNdens[B3SOIDDIDNOIZ], ckt,
THERMNOISE, here->B3SOIDDdNodePrime,
here->B3SOIDDsNodePrime,
(here->B3SOIDDueff
* fabs((here->B3SOIDDqinv * here->B3SOIDDm)
/ (pParam->B3SOIDDleff
* pParam->B3SOIDDleff))));
break;
}
NevalSrc(&noizDens[B3SOIDDFLNOIZ], NULL,
ckt, N_GAIN, here->B3SOIDDdNodePrime,
here->B3SOIDDsNodePrime, (double) 0.0);
switch( model->B3SOIDDnoiMod )
{ case 1:
case 4:
noizDens[B3SOIDDFLNOIZ] *= model->B3SOIDDkf
* exp(model->B3SOIDDaf
* log(MAX(fabs(here->B3SOIDDcd * here->B3SOIDDm),
N_MINLOG)))
/ (pow(data->freq, model->B3SOIDDef)
* pParam->B3SOIDDleff
* pParam->B3SOIDDleff
* model->B3SOIDDcox);
break;
case 2:
case 3:
vgs = *(ckt->CKTstates[0] + here->B3SOIDDvgs);
vds = *(ckt->CKTstates[0] + here->B3SOIDDvds);
if (vds < 0.0)
{ vds = -vds;
vgs = vgs + vds;
}
if (vgs >= here->B3SOIDDvon + 0.1)
{ Ssi = B3SOIDDStrongInversionNoiseEval(vgs,
vds, model, here, data->freq,
ckt->CKTtemp);
noizDens[B3SOIDDFLNOIZ] *= Ssi;
}
else
{ pParam = here->pParam;
T10 = model->B3SOIDDoxideTrapDensityA
* 8.62e-5 * ckt->CKTtemp;
T11 = pParam->B3SOIDDweff * here->B3SOIDDm
* pParam->B3SOIDDleff
* pow(data->freq, model->B3SOIDDef)
* 4.0e36;
Swi = T10 / T11 * here->B3SOIDDcd * here->B3SOIDDm
* here->B3SOIDDcd * here->B3SOIDDm;
Slimit = B3SOIDDStrongInversionNoiseEval(
here->B3SOIDDvon + 0.1, vds, model,
here, data->freq, ckt->CKTtemp);
T1 = Swi + Slimit;
if (T1 > 0.0)
noizDens[B3SOIDDFLNOIZ] *= (Slimit
* Swi) / T1;
else
noizDens[B3SOIDDFLNOIZ] *= 0.0;
}
break;
}
lnNdens[B3SOIDDFLNOIZ] =
log(MAX(noizDens[B3SOIDDFLNOIZ], N_MINLOG));
/* Low frequency excess noise due to FBE */
NevalSrc(&noizDens[B3SOIDDFBNOIZ], &lnNdens[B3SOIDDFBNOIZ],
ckt, SHOTNOISE, here->B3SOIDDsNodePrime,
here->B3SOIDDbNode,
2.0 * model->B3SOIDDnoif * here->B3SOIDDibs *
here->B3SOIDDm);
noizDens[B3SOIDDTOTNOIZ] = noizDens[B3SOIDDRDNOIZ]
+ noizDens[B3SOIDDRSNOIZ]
+ noizDens[B3SOIDDIDNOIZ]
+ noizDens[B3SOIDDFLNOIZ]
+ noizDens[B3SOIDDFBNOIZ];
lnNdens[B3SOIDDTOTNOIZ] =
log(MAX(noizDens[B3SOIDDTOTNOIZ], N_MINLOG));
*OnDens += noizDens[B3SOIDDTOTNOIZ];
if (data->delFreq == 0.0)
{ /* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for (i = 0; i < B3SOIDDNSRCS; i++)
{ here->B3SOIDDnVar[LNLSTDENS][i] =
lnNdens[i];
}
/* clear out our integration variables
if it's the first pass
*/
if (data->freq ==
job->NstartFreq)
{ for (i = 0; i < B3SOIDDNSRCS; i++)
{ here->B3SOIDDnVar[OUTNOIZ][i] = 0.0;
here->B3SOIDDnVar[INNOIZ][i] = 0.0;
}
}
}
else
{ /* data->delFreq != 0.0,
we have to integrate.
*/
for (i = 0; i < B3SOIDDNSRCS; i++)
{ if (i != B3SOIDDTOTNOIZ)
{ tempOnoise = Nintegrate(noizDens[i],
lnNdens[i],
here->B3SOIDDnVar[LNLSTDENS][i],
data);
tempInoise = Nintegrate(noizDens[i]
* data->GainSqInv, lnNdens[i]
+ data->lnGainInv,
here->B3SOIDDnVar[LNLSTDENS][i]
+ data->lnGainInv, data);
here->B3SOIDDnVar[LNLSTDENS][i] =
lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0)
{ here->B3SOIDDnVar[OUTNOIZ][i]
+= tempOnoise;
here->B3SOIDDnVar[OUTNOIZ][B3SOIDDTOTNOIZ]
+= tempOnoise;
here->B3SOIDDnVar[INNOIZ][i]
+= tempInoise;
here->B3SOIDDnVar[INNOIZ][B3SOIDDTOTNOIZ]
+= tempInoise;
}
}
}
}
if (data->prtSummary)
{ for (i = 0; i < B3SOIDDNSRCS; i++)
{ /* print a summary report */
data->outpVector[data->outNumber++]
= noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if (job->NStpsSm != 0)
{ for (i = 0; i < B3SOIDDNSRCS; i++)
{ data->outpVector[data->outNumber++]
= here->B3SOIDDnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++]
= here->B3SOIDDnVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
B1noise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
B1model *firstModel = (B1model *) genmodel;
B1model *model;
B1instance *inst;
double tempOnoise;
double tempInoise;
double noizDens[B1NSRCS];
double lnNdens[B1NSRCS];
int i;
/* define the names of the noise sources */
static char *B1nNames[B1NSRCS] = { /* Note that we have to keep the order */
"_rd", /* noise due to rd */ /* consistent with thestrchr definitions */
"_rs", /* noise due to rs */ /* in bsim1defs.h */
"_id", /* noise due to id */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=B1nextModel(model)) {
for (inst=B1instances(model); inst != NULL; inst=B1nextInstance(inst)) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < B1NSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_%s%s", inst->B1name, B1nNames[i]);
}
break;
case INT_NOIZ:
for (i=0; i < B1NSRCS; i++) {
NOISE_ADD_OUTVAR(ckt, data, "onoise_total_%s%s", inst->B1name, B1nNames[i]);
NOISE_ADD_OUTVAR(ckt, data, "inoise_total_%s%s", inst->B1name, B1nNames[i]);
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[B1RDNOIZ],&lnNdens[B1RDNOIZ],
ckt,THERMNOISE,inst->B1dNodePrime,inst->B1dNode,
inst->B1drainConductance * inst->B1m);
NevalSrc(&noizDens[B1RSNOIZ],&lnNdens[B1RSNOIZ],
ckt,THERMNOISE,inst->B1sNodePrime,inst->B1sNode,
inst->B1sourceConductance * inst->B1m);
NevalSrc(&noizDens[B1IDNOIZ],&lnNdens[B1IDNOIZ],
ckt,THERMNOISE,inst->B1dNodePrime,inst->B1sNodePrime,
(2.0/3.0 * fabs(inst->B1gm * inst->B1m)));
NevalSrc(&noizDens[B1FLNOIZ], NULL, ckt,
N_GAIN,inst->B1dNodePrime, inst->B1sNodePrime,
(double)0.0);
noizDens[B1FLNOIZ] *= model->B1fNcoef * inst->B1m *
exp(model->B1fNexp *
log(MAX(fabs(inst->B1cd),N_MINLOG))) /
(data->freq *
(inst->B1w - model->B1deltaW * 1e-6) *
(inst->B1l - model->B1deltaL * 1e-6) *
model->B1Cox * model->B1Cox);
lnNdens[B1FLNOIZ] =
log(MAX(noizDens[B1FLNOIZ],N_MINLOG));
noizDens[B1TOTNOIZ] = noizDens[B1RDNOIZ] +
noizDens[B1RSNOIZ] +
noizDens[B1IDNOIZ] +
noizDens[B1FLNOIZ];
lnNdens[B1TOTNOIZ] =
log(MAX(noizDens[B1TOTNOIZ], N_MINLOG));
*OnDens += noizDens[B1TOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < B1NSRCS; i++) {
inst->B1nVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < B1NSRCS; i++) {
inst->B1nVar[OUTNOIZ][i] = 0.0;
inst->B1nVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
for (i=0; i < B1NSRCS; i++) {
if (i != B1TOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->B1nVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->B1nVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->B1nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->B1nVar[OUTNOIZ][i] += tempOnoise;
inst->B1nVar[OUTNOIZ][B1TOTNOIZ] += tempOnoise;
inst->B1nVar[INNOIZ][i] += tempInoise;
inst->B1nVar[INNOIZ][B1TOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < B1NSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < B1NSRCS; i++) {
data->outpVector[data->outNumber++] = inst->B1nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->B1nVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
BSIM3v32noise (int mode, int operation, GENmodel *inModel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
BSIM3v32model *model = (BSIM3v32model *)inModel;
BSIM3v32instance *here;
struct bsim3v32SizeDependParam *pParam;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[BSIM3v32NSRCS];
double lnNdens[BSIM3v32NSRCS];
double vgs, vds, Slimit;
double T1, T10, T11;
double Ssi, Swi;
double m;
int i;
/* define the names of the noise sources */
static char *BSIM3v32nNames[BSIM3v32NSRCS] =
{ /* Note that we have to keep the order */
".rd", /* noise due to rd */
/* consistent with the index definitions */
".rs", /* noise due to rs */
/* in BSIM3v32defs.h */
".id", /* noise due to id */
".1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (; model != NULL; model = model->BSIM3v32nextModel)
{ for (here = model->BSIM3v32instances; here != NULL;
here = here->BSIM3v32nextInstance)
{ pParam = here->pParam;
switch (operation)
{ case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0)
{ switch (mode)
{ case N_DENS:
for (i = 0; i < BSIM3v32NSRCS; i++)
{ (void) sprintf(name, "onoise.%s%s",
here->BSIM3v32name,
BSIM3v32nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i = 0; i < BSIM3v32NSRCS; i++)
{ (void) sprintf(name, "onoise_total.%s%s",
here->BSIM3v32name,
BSIM3v32nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
(void) sprintf(name, "inoise_total.%s%s",
here->BSIM3v32name,
BSIM3v32nNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist)
return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER,
NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
m = here->BSIM3v32m;
switch (mode)
{ case N_DENS:
NevalSrc(&noizDens[BSIM3v32RDNOIZ],
&lnNdens[BSIM3v32RDNOIZ], ckt, THERMNOISE,
here->BSIM3v32dNodePrime, here->BSIM3v32dNode,
here->BSIM3v32drainConductance * m);
NevalSrc(&noizDens[BSIM3v32RSNOIZ],
&lnNdens[BSIM3v32RSNOIZ], ckt, THERMNOISE,
here->BSIM3v32sNodePrime, here->BSIM3v32sNode,
here->BSIM3v32sourceConductance * m);
switch( model->BSIM3v32noiMod )
{ case 1:
case 3:
NevalSrc(&noizDens[BSIM3v32IDNOIZ],
&lnNdens[BSIM3v32IDNOIZ], ckt,
THERMNOISE, here->BSIM3v32dNodePrime,
here->BSIM3v32sNodePrime,
(2.0 / 3.0 * fabs(here->BSIM3v32gm
+ here->BSIM3v32gds
+ here->BSIM3v32gmbs)) * m);
break;
case 2:
case 4:
/* Added revision dependent code */
if (model->BSIM3v32intVersion == BSIM3v32V324)
{
NevalSrc(&noizDens[BSIM3v32IDNOIZ],
&lnNdens[BSIM3v32IDNOIZ], ckt,
THERMNOISE, here->BSIM3v32dNodePrime,
here->BSIM3v32sNodePrime,
(m * here->BSIM3v32ueff
* fabs(here->BSIM3v32qinv)
/ (pParam->BSIM3v32leff * pParam->BSIM3v32leff
+ here->BSIM3v32ueff * fabs(here->BSIM3v32qinv)
* here->BSIM3v32rds))); /* bugfix */
}
else
{ /* for all versions lower then 3.2.4 */
NevalSrc(&noizDens[BSIM3v32IDNOIZ],
&lnNdens[BSIM3v32IDNOIZ], ckt,
THERMNOISE, here->BSIM3v32dNodePrime,
here->BSIM3v32sNodePrime,
(m * here->BSIM3v32ueff
* fabs(here->BSIM3v32qinv
/ (pParam->BSIM3v32leff
* pParam->BSIM3v32leff))));
}
break;
}
NevalSrc(&noizDens[BSIM3v32FLNOIZ], NULL,
ckt, N_GAIN, here->BSIM3v32dNodePrime,
here->BSIM3v32sNodePrime, (double) 0.0);
switch( model->BSIM3v32noiMod )
{ case 1:
case 4:
noizDens[BSIM3v32FLNOIZ] *= m * model->BSIM3v32kf
* exp(model->BSIM3v32af
* log(MAX(fabs(here->BSIM3v32cd),
N_MINLOG)))
/ (pow(data->freq, model->BSIM3v32ef)
* pParam->BSIM3v32leff
* pParam->BSIM3v32leff
* model->BSIM3v32cox);
break;
case 2:
case 3:
vgs = *(ckt->CKTstates[0] + here->BSIM3v32vgs);
vds = *(ckt->CKTstates[0] + here->BSIM3v32vds);
if (vds < 0.0)
{ vds = -vds;
vgs = vgs + vds;
}
/* Added revision dependent code */
if (model->BSIM3v32intVersion == BSIM3v32V324)
{
Ssi = StrongInversionNoiseEvalNew(vds, model,
here, data->freq, ckt->CKTtemp);
T10 = model->BSIM3v32oxideTrapDensityA
* 8.62e-5 * ckt->CKTtemp;
T11 = pParam->BSIM3v32weff
* pParam->BSIM3v32leff
* pow(data->freq, model->BSIM3v32ef)
* 4.0e36;
Swi = T10 / T11 * here->BSIM3v32cd
* here->BSIM3v32cd;
T1 = Swi + Ssi;
if (T1 > 0.0)
noizDens[BSIM3v32FLNOIZ] *= m * (Ssi * Swi) / T1;
else
noizDens[BSIM3v32FLNOIZ] *= 0.0;
}
else
{ /* for all versions lower then 3.2.4 */
if (vgs >= here->BSIM3v32von + 0.1)
{
Ssi = StrongInversionNoiseEvalOld(vgs, vds, model,
here, data->freq, ckt->CKTtemp);
noizDens[BSIM3v32FLNOIZ] *= m * Ssi;
}
else
{
pParam = here->pParam;
T10 = model->BSIM3v32oxideTrapDensityA
* 8.62e-5 * ckt->CKTtemp;
T11 = pParam->BSIM3v32weff
* pParam-> BSIM3v32leff
* pow (data->freq, model->BSIM3v32ef)
* 4.0e36;
Swi = T10 / T11 * here->BSIM3v32cd * here->BSIM3v32cd;
Slimit = StrongInversionNoiseEvalOld(
here->BSIM3v32von + 0.1, vds, model,
here, data->freq, ckt->CKTtemp);
T1 = Swi + Slimit;
if (T1 > 0.0)
noizDens[BSIM3v32FLNOIZ] *= m * (Slimit * Swi) / T1;
else
noizDens[BSIM3v32FLNOIZ] *= 0.0;
}
}
break;
}
lnNdens[BSIM3v32FLNOIZ] =
log(MAX(noizDens[BSIM3v32FLNOIZ], N_MINLOG));
noizDens[BSIM3v32TOTNOIZ] = noizDens[BSIM3v32RDNOIZ]
+ noizDens[BSIM3v32RSNOIZ]
+ noizDens[BSIM3v32IDNOIZ]
+ noizDens[BSIM3v32FLNOIZ];
lnNdens[BSIM3v32TOTNOIZ] =
log(MAX(noizDens[BSIM3v32TOTNOIZ], N_MINLOG));
*OnDens += noizDens[BSIM3v32TOTNOIZ];
if (data->delFreq == 0.0)
{ /* if we haven't done any previous
integration, we need to initialize our
"history" variables.
*/
for (i = 0; i < BSIM3v32NSRCS; i++)
{ here->BSIM3v32nVar[LNLSTDENS][i] =
lnNdens[i];
}
/* clear out our integration variables
if it's the first pass
*/
if (data->freq ==
job->NstartFreq)
{ for (i = 0; i < BSIM3v32NSRCS; i++)
{ here->BSIM3v32nVar[OUTNOIZ][i] = 0.0;
here->BSIM3v32nVar[INNOIZ][i] = 0.0;
}
}
}
else
{ /* data->delFreq != 0.0,
we have to integrate.
*/
for (i = 0; i < BSIM3v32NSRCS; i++)
{ if (i != BSIM3v32TOTNOIZ)
{ tempOnoise = Nintegrate(noizDens[i],
lnNdens[i],
here->BSIM3v32nVar[LNLSTDENS][i],
data);
tempInoise = Nintegrate(noizDens[i]
* data->GainSqInv, lnNdens[i]
+ data->lnGainInv,
here->BSIM3v32nVar[LNLSTDENS][i]
+ data->lnGainInv, data);
here->BSIM3v32nVar[LNLSTDENS][i] =
lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0)
{ here->BSIM3v32nVar[OUTNOIZ][i]
+= tempOnoise;
here->BSIM3v32nVar[OUTNOIZ][BSIM3v32TOTNOIZ]
+= tempOnoise;
here->BSIM3v32nVar[INNOIZ][i]
+= tempInoise;
here->BSIM3v32nVar[INNOIZ][BSIM3v32TOTNOIZ]
+= tempInoise;
}
}
}
}
if (data->prtSummary)
{ for (i = 0; i < BSIM3v32NSRCS; i++)
{ /* print a summary report */
data->outpVector[data->outNumber++]
= noizDens[i];
}
}
break;
case INT_NOIZ:
/* already calculated, just output */
if (job->NStpsSm != 0)
{ for (i = 0; i < BSIM3v32NSRCS; i++)
{ data->outpVector[data->outNumber++]
= here->BSIM3v32nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++]
= here->BSIM3v32nVar[INNOIZ][i];
}
}
break;
}
break;
case N_CLOSE:
/* do nothing, the main calling routine will close */
return (OK);
break; /* the plots */
} /* switch (operation) */
} /* for here */
} /* for model */
return(OK);
}
int
VBICnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
VBICmodel *firstModel = (VBICmodel *) genmodel;
VBICmodel *model;
VBICinstance *inst;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[VBICNSRCS];
double lnNdens[VBICNSRCS];
int i;
/* define the names of the noise sources */
static char *VBICnNames[VBICNSRCS] = {
/* Note that we have to keep the order consistent with the
strchr definitions in VBICdefs.h */
"_rc", /* noise due to rc */
"_rci", /* noise due to rci */
"_rb", /* noise due to rb */
"_rbi", /* noise due to rbi */
"_re", /* noise due to re */
"_rbp", /* noise due to rbp */
"_rs", /* noise due to rs */
"_ic", /* noise due to ic */
"_ib", /* noise due to ib */
"_ibep", /* noise due to ibep */
"_iccp", /* noise due to iccp */
"_1overfbe", /* flicker (1/f) noise ibe */
"_1overfbep", /* flicker (1/f) noise ibep */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=model->VBICnextModel) {
for (inst=model->VBICinstances; inst != NULL;
inst=inst->VBICnextInstance) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < VBICNSRCS; i++) {
(void)sprintf(name,"onoise_%s%s",
inst->VBICname,VBICnNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i=0; i < VBICNSRCS; i++) {
(void)sprintf(name,"onoise_total_%s%s",
inst->VBICname,VBICnNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
(void)sprintf(name,"inoise_total_%s%s",
inst->VBICname,VBICnNames[i]);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[VBICRCNOIZ],&lnNdens[VBICRCNOIZ],
ckt,THERMNOISE,inst->VBICcollCXNode,inst->VBICcollNode,
*(ckt->CKTstate0 + inst->VBICircx_Vrcx));
NevalSrc(&noizDens[VBICRCINOIZ],&lnNdens[VBICRCINOIZ],
ckt,THERMNOISE,inst->VBICcollCXNode,inst->VBICcollCINode,
*(ckt->CKTstate0 + inst->VBICirci_Vrci));
NevalSrc(&noizDens[VBICRBNOIZ],&lnNdens[VBICRBNOIZ],
ckt,THERMNOISE,inst->VBICbaseBXNode,inst->VBICbaseNode,
*(ckt->CKTstate0 + inst->VBICirbx_Vrbx));
NevalSrc(&noizDens[VBICRBINOIZ],&lnNdens[VBICRBINOIZ],
ckt,THERMNOISE,inst->VBICbaseBXNode,inst->VBICbaseBINode,
*(ckt->CKTstate0 + inst->VBICirbi_Vrbi));
NevalSrc(&noizDens[VBICRENOIZ],&lnNdens[VBICRENOIZ],
ckt,THERMNOISE,inst->VBICemitEINode,inst->VBICemitNode,
*(ckt->CKTstate0 + inst->VBICire_Vre));
NevalSrc(&noizDens[VBICRBPNOIZ],&lnNdens[VBICRBPNOIZ],
ckt,THERMNOISE,inst->VBICemitEINode,inst->VBICemitNode,
*(ckt->CKTstate0 + inst->VBICirbp_Vrbp));
NevalSrc(&noizDens[VBICRSNOIZ],&lnNdens[VBICRSNOIZ],
ckt,THERMNOISE,inst->VBICsubsSINode,inst->VBICsubsNode,
*(ckt->CKTstate0 + inst->VBICirs_Vrs));
NevalSrc(&noizDens[VBICICNOIZ],&lnNdens[VBICICNOIZ],
ckt,SHOTNOISE,inst->VBICcollCINode, inst->VBICemitEINode,
*(ckt->CKTstate0 + inst->VBICitzf));
NevalSrc(&noizDens[VBICIBNOIZ],&lnNdens[VBICIBNOIZ],
ckt,SHOTNOISE,inst->VBICbaseBINode, inst->VBICemitEINode,
*(ckt->CKTstate0 + inst->VBICibe));
NevalSrc(&noizDens[VBICIBEPNOIZ],&lnNdens[VBICIBEPNOIZ],
ckt,SHOTNOISE,inst->VBICbaseBXNode, inst->VBICbaseBPNode,
*(ckt->CKTstate0 + inst->VBICibep));
NevalSrc(&noizDens[VBICICCPNOIZ],&lnNdens[VBICICCPNOIZ],
ckt,SHOTNOISE,inst->VBICbaseBXNode, inst->VBICsubsSINode,
*(ckt->CKTstate0 + inst->VBICiccp));
NevalSrc(&noizDens[VBICFLBENOIZ], NULL, ckt,
N_GAIN,inst->VBICbaseBINode, inst->VBICemitEINode,
(double)0.0);
noizDens[VBICFLBENOIZ] *= inst->VBICm * model->VBICfNcoef *
exp(model->VBICfNexpA *
log(MAX(fabs(*(ckt->CKTstate0 + inst->VBICibe)/inst->VBICm),N_MINLOG))) /
pow(data->freq, model->VBICfNexpB);
lnNdens[VBICFLBENOIZ] =
log(MAX(noizDens[VBICFLBENOIZ],N_MINLOG));
NevalSrc(&noizDens[VBICFLBEPNOIZ], NULL, ckt,
N_GAIN,inst->VBICbaseBXNode, inst->VBICbaseBPNode,
(double)0.0);
noizDens[VBICFLBEPNOIZ] *= inst->VBICm * model->VBICfNcoef *
exp(model->VBICfNexpA *
log(MAX(fabs(*(ckt->CKTstate0 + inst->VBICibep)/inst->VBICm),N_MINLOG))) /
pow(data->freq, model->VBICfNexpB);
lnNdens[VBICFLBEPNOIZ] =
log(MAX(noizDens[VBICFLBEPNOIZ],N_MINLOG));
noizDens[VBICTOTNOIZ] = noizDens[VBICRCNOIZ] +
noizDens[VBICRCINOIZ] +
noizDens[VBICRBNOIZ] +
noizDens[VBICRBINOIZ] +
noizDens[VBICRENOIZ] +
noizDens[VBICRBPNOIZ] +
noizDens[VBICICNOIZ] +
noizDens[VBICIBNOIZ] +
noizDens[VBICIBEPNOIZ] +
noizDens[VBICFLBENOIZ] +
noizDens[VBICFLBEPNOIZ];
lnNdens[VBICTOTNOIZ] =
log(noizDens[VBICTOTNOIZ]);
*OnDens += noizDens[VBICTOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < VBICNSRCS; i++) {
inst->VBICnVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == job->NstartFreq) {
for (i=0; i < VBICNSRCS; i++) {
inst->VBICnVar[OUTNOIZ][i] = 0.0;
inst->VBICnVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
/* In order to get the best curve fit, we have to integrate each component separately */
for (i=0; i < VBICNSRCS; i++) {
if (i != VBICTOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->VBICnVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->VBICnVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->VBICnVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (job->NStpsSm != 0) {
inst->VBICnVar[OUTNOIZ][i] += tempOnoise;
inst->VBICnVar[OUTNOIZ][VBICTOTNOIZ] += tempOnoise;
inst->VBICnVar[INNOIZ][i] += tempInoise;
inst->VBICnVar[INNOIZ][VBICTOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < VBICNSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
for (i=0; i < VBICNSRCS; i++) {
data->outpVector[data->outNumber++] = inst->VBICnVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->VBICnVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
SWnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *data, double *OnDens)
{
NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
SWmodel *firstModel = (SWmodel *) genmodel;
SWmodel *model;
SWinstance *inst;
char name[N_MXVLNTH];
double tempOutNoise;
double tempInNoise;
double noizDens;
double lnNdens;
int current_state;
for (model=firstModel; model != NULL; model=model->SWnextModel) {
for (inst=model->SWinstances; inst != NULL; inst=inst->SWnextInstance) {
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name the noise generator */
if (job->NStpsSm != 0) {
switch (mode) {
case N_DENS:
(void)sprintf(name,"onoise_%s",inst->SWname);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
break;
case INT_NOIZ:
(void)sprintf(name,"onoise_total_%s",inst->SWname);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
(void)sprintf(name,"inoise_total_%s",inst->SWname);
data->namelist = TREALLOC(IFuid, data->namelist, data->numPlots + 1);
if (!data->namelist) return(E_NOMEM);
SPfrontEnd->IFnewUid (ckt,
&(data->namelist[data->numPlots++]),
NULL, name, UID_OTHER, NULL);
/* we've added one more plot */
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
current_state = (int)*(ckt->CKTstate0 + inst->SWstate);
NevalSrc(&noizDens,&lnNdens,ckt,THERMNOISE,
inst->SWposNode,inst->SWnegNode,
current_state?(model->SWonConduct):(model->SWoffConduct));
*OnDens += noizDens;
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
inst->SWnVar[LNLSTDENS] = lnNdens;
/* clear out our integration variable if it's the first pass */
if (data->freq == job->NstartFreq) {
inst->SWnVar[OUTNOIZ] = 0.0;
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
tempOutNoise = Nintegrate(noizDens, lnNdens,
inst->SWnVar[LNLSTDENS], data);
tempInNoise = Nintegrate(noizDens *
data->GainSqInv ,lnNdens + data->lnGainInv,
inst->SWnVar[LNLSTDENS] + data->lnGainInv,
data);
inst->SWnVar[OUTNOIZ] += tempOutNoise;
inst->SWnVar[INNOIZ] += tempInNoise;
data->outNoiz += tempOutNoise;
data->inNoise += tempInNoise;
inst->SWnVar[LNLSTDENS] = lnNdens;
}
if (data->prtSummary) {
data->outpVector[data->outNumber++] = noizDens;
}
break;
case INT_NOIZ: /* already calculated, just output */
if (job->NStpsSm != 0) {
data->outpVector[data->outNumber++] = inst->SWnVar[OUTNOIZ];
data->outpVector[data->outNumber++] = inst->SWnVar[INNOIZ];
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}
int
BJT2noise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
Ndata *data, double *OnDens)
{
BJT2model *firstModel = (BJT2model *) genmodel;
BJT2model *model;
BJT2instance *inst;
char name[N_MXVLNTH];
double tempOnoise;
double tempInoise;
double noizDens[BJT2NSRCS];
double lnNdens[BJT2NSRCS];
int i;
/* define the names of the noise sources */
static char *BJT2nNames[BJT2NSRCS] = { /* Note that we have to keep the order */
"_rc", /* noise due to rc */ /* consistent with the index definitions */
"_rb", /* noise due to rb */ /* in BJT2defs.h */
"_re", /* noise due to re */
"_ic", /* noise due to ic */
"_ib", /* noise due to ib */
"_1overf", /* flicker (1/f) noise */
"" /* total transistor noise */
};
for (model=firstModel; model != NULL; model=model->BJT2nextModel) {
for (inst=model->BJT2instances; inst != NULL; inst=inst->BJT2nextInstance) {
if (inst->BJT2owner != ARCHme) continue;
switch (operation) {
case N_OPEN:
/* see if we have to to produce a summary report */
/* if so, name all the noise generators */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
switch (mode) {
case N_DENS:
for (i=0; i < BJT2NSRCS; i++) {
(void)sprintf(name,"onoise_%s%s",
inst->BJT2name,BJT2nNames[i]);
data->namelist = (IFuid *)
trealloc((char *)data->namelist,
(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
}
break;
case INT_NOIZ:
for (i=0; i < BJT2NSRCS; i++) {
(void)sprintf(name,"onoise_total_%s%s",
inst->BJT2name,BJT2nNames[i]);
data->namelist = (IFuid *)
trealloc((char *)data->namelist,
(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
(void)sprintf(name,"inoise_total_%s%s",
inst->BJT2name,BJT2nNames[i]);
data->namelist = (IFuid *)trealloc((char *)data->namelist,(data->numPlots + 1)*sizeof(IFuid));
if (!data->namelist) return(E_NOMEM);
(*(SPfrontEnd->IFnewUid))(ckt,
&(data->namelist[data->numPlots++]),
(IFuid)NULL,name,UID_OTHER,(void **)NULL);
/* we've added one more plot */
}
break;
}
}
break;
case N_CALC:
switch (mode) {
case N_DENS:
NevalSrc(&noizDens[BJT2RCNOIZ],&lnNdens[BJT2RCNOIZ],
ckt,THERMNOISE,inst->BJT2colPrimeNode,inst->BJT2colNode,
model->BJT2collectorConduct * inst->BJT2area * inst->BJT2m);
NevalSrc(&noizDens[BJT2RBNOIZ],&lnNdens[BJT2RBNOIZ],
ckt,THERMNOISE,inst->BJT2basePrimeNode,inst->BJT2baseNode,
*(ckt->CKTstate0 + inst->BJT2gx) * inst->BJT2m);
NevalSrc(&noizDens[BJT2_RE_NOISE],&lnNdens[BJT2_RE_NOISE],
ckt,THERMNOISE,inst->BJT2emitPrimeNode,inst->BJT2emitNode,
model->BJT2emitterConduct * inst->BJT2area * inst->BJT2m);
NevalSrc(&noizDens[BJT2ICNOIZ],&lnNdens[BJT2ICNOIZ],
ckt,SHOTNOISE,inst->BJT2colPrimeNode, inst->BJT2emitPrimeNode,
*(ckt->CKTstate0 + inst->BJT2cc) * inst->BJT2m);
NevalSrc(&noizDens[BJT2IBNOIZ],&lnNdens[BJT2IBNOIZ],
ckt,SHOTNOISE,inst->BJT2basePrimeNode, inst->BJT2emitPrimeNode,
*(ckt->CKTstate0 + inst->BJT2cb) * inst->BJT2m);
NevalSrc(&noizDens[BJT2FLNOIZ],(double*)NULL,ckt,
N_GAIN,inst->BJT2basePrimeNode, inst->BJT2emitPrimeNode,
(double)0.0);
noizDens[BJT2FLNOIZ] *= inst->BJT2m * model->BJT2fNcoef *
exp(model->BJT2fNexp *
log(MAX(fabs(*(ckt->CKTstate0 + inst->BJT2cb)),N_MINLOG))) /
data->freq;
lnNdens[BJT2FLNOIZ] =
log(MAX(noizDens[BJT2FLNOIZ],N_MINLOG));
noizDens[BJT2TOTNOIZ] = noizDens[BJT2RCNOIZ] +
noizDens[BJT2RBNOIZ] +
noizDens[BJT2_RE_NOISE] +
noizDens[BJT2ICNOIZ] +
noizDens[BJT2IBNOIZ] +
noizDens[BJT2FLNOIZ];
lnNdens[BJT2TOTNOIZ] =
log(noizDens[BJT2TOTNOIZ]);
*OnDens += noizDens[BJT2TOTNOIZ];
if (data->delFreq == 0.0) {
/* if we haven't done any previous integration, we need to */
/* initialize our "history" variables */
for (i=0; i < BJT2NSRCS; i++) {
inst->BJT2nVar[LNLSTDENS][i] = lnNdens[i];
}
/* clear out our integration variables if it's the first pass */
if (data->freq == ((NOISEAN*)ckt->CKTcurJob)->NstartFreq) {
for (i=0; i < BJT2NSRCS; i++) {
inst->BJT2nVar[OUTNOIZ][i] = 0.0;
inst->BJT2nVar[INNOIZ][i] = 0.0;
}
}
} else { /* data->delFreq != 0.0 (we have to integrate) */
/* In order to get the best curve fit, we have to integrate each component separately */
for (i=0; i < BJT2NSRCS; i++) {
if (i != BJT2TOTNOIZ) {
tempOnoise = Nintegrate(noizDens[i], lnNdens[i],
inst->BJT2nVar[LNLSTDENS][i], data);
tempInoise = Nintegrate(noizDens[i] * data->GainSqInv ,
lnNdens[i] + data->lnGainInv,
inst->BJT2nVar[LNLSTDENS][i] + data->lnGainInv,
data);
inst->BJT2nVar[LNLSTDENS][i] = lnNdens[i];
data->outNoiz += tempOnoise;
data->inNoise += tempInoise;
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
inst->BJT2nVar[OUTNOIZ][i] += tempOnoise;
inst->BJT2nVar[OUTNOIZ][BJT2TOTNOIZ] += tempOnoise;
inst->BJT2nVar[INNOIZ][i] += tempInoise;
inst->BJT2nVar[INNOIZ][BJT2TOTNOIZ] += tempInoise;
}
}
}
}
if (data->prtSummary) {
for (i=0; i < BJT2NSRCS; i++) { /* print a summary report */
data->outpVector[data->outNumber++] = noizDens[i];
}
}
break;
case INT_NOIZ: /* already calculated, just output */
if (((NOISEAN*)ckt->CKTcurJob)->NStpsSm != 0) {
for (i=0; i < BJT2NSRCS; i++) {
data->outpVector[data->outNumber++] = inst->BJT2nVar[OUTNOIZ][i];
data->outpVector[data->outNumber++] = inst->BJT2nVar[INNOIZ][i];
}
} /* if */
break;
} /* switch (mode) */
break;
case N_CLOSE:
return (OK); /* do nothing, the main calling routine will close */
break; /* the plots */
} /* switch (operation) */
} /* for inst */
} /* for model */
return(OK);
}