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Automatically adding diode RS only when variable 'rsdiode' is set 

to a positive resistance value.
This commit is contained in:
Holger Vogt 2024-01-15 09:59:21 +01:00
parent 0141473aa4
commit 79e80dbbab
1 changed files with 8 additions and 3 deletions
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7
src/spicelib/devices/dio/diosetup.c
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@ -197,12 +197,17 @@ DIOsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt, int *states)
if((!model->DIOresistGiven) || (model->DIOresist==0)) { if((!model->DIOresistGiven) || (model->DIOresist==0)) {
if (newcompat.ps || newcompat.lt) { if (newcompat.ps || newcompat.lt) {
model->DIOconductance = 1e4; /* improved convergence */ double rsdiode = 0.;
if (cp_getvar("rsdiode", CP_REAL, &rsdiode, 0) && rsdiode > 0) {
model->DIOconductance = 1./rsdiode; /* sometimes improves convergence */
if (ft_ngdebug) if (ft_ngdebug)
fprintf(stderr, "Diode series resistance in model %s set to 100 microOhm\n", model->gen.GENmodName); fprintf(stderr, "Diode series resistance in model %s set to 100 microOhm\n", model->gen.GENmodName);
} }
else else
model->DIOconductance = 0.0; model->DIOconductance = 0.0;
}
else
model->DIOconductance = 0.0;
} else { } else {
model->DIOconductance = 1/model->DIOresist; model->DIOconductance = 1/model->DIOresist;
} }