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simplify beta derivation

This commit is contained in:
dwarning 2020-02-11 10:48:38 +01:00
parent 9889f0f277
commit 8a6f431f4b
1 changed files with 1 additions and 1 deletions
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2
src/spicelib/devices/vdmos/vdmosload.c
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@ -314,7 +314,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
if (selfheat) {
double TempRatio = Temp / here->VDMOStemp;
Beta = here->VDMOStTransconductance * pow(TempRatio,model->VDMOSmu);
dBeta_dT = here->VDMOStTransconductance * model->VDMOSmu / (here->VDMOStemp * pow(TempRatio,1-model->VDMOSmu));
dBeta_dT = Beta * model->VDMOSmu / Temp;
rd0T = here->VDMOSdrainResistance * pow(TempRatio, model->VDMOStexp0);
drd0T_dT = rd0T * model->VDMOStexp0 / Temp;
rd1T = 0.0;