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setting gmbs direct to 0

This commit is contained in:
dwarning 2018-11-11 17:10:53 +01:00 committed by Holger Vogt
parent 92efc0bd6c
commit 7c94cc2e42
1 changed files with 3 additions and 5 deletions
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8
src/spicelib/devices/vdmos/vdmosload.c
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@ -356,17 +356,15 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
*
*/
/* the following 4 variables are local to this code block until
/* the following 2 variables are local to this code block until
* it is obvious that they can be made global
*/
double arg;
double betap;
double vgst;
von = (model->VDMOSvt0*model->VDMOStype);
vgst = (here->VDMOSmode == 1 ? vgs : vgd) - von;
vdsat = MAX(vgst, 0);
arg = 0;
/* drain current including subthreshold current
* numerical differentiation for gd and gm with a delta of 2 mV */
if (model->VDMOSksubthresGiven && (here->VDMOSmode == 1)) {
@ -432,7 +430,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
cdrain = betap*vgst*vgst*.5;
here->VDMOSgm = betap*vgst;
here->VDMOSgds = model->VDMOSlambda*Beta*vgst*vgst*.5;
here->VDMOSgmbs = here->VDMOSgm*arg;
here->VDMOSgmbs = 0.;
} else {
/*
* linear region
@ -444,7 +442,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
model->VDMOSlambda * Beta *
(vds * here->VDMOSmode) * mtr *
(vgst - .5 * (vds * here->VDMOSmode) * mtr);
here->VDMOSgmbs = here->VDMOSgm * arg;
here->VDMOSgmbs = 0.;
}
}
}