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Add a limit of 0.999 to bipolar parameters mje, mjc, and mjs. 

The bipolar model is restricted to values < 1.
Fixes bug 583
This commit is contained in:
Holger Vogt 2022-10-17 16:03:36 +02:00
parent ce82fb22e2
commit 43517efb41
1 changed files with 12 additions and 0 deletions
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12
src/spicelib/devices/bjt/bjttemp.c
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@ -130,8 +130,20 @@ BJTtemp(GENmodel *inModel, CKTcircuit *ckt)
here->BJTttransitTimeF = model->BJTtransitTimeF * (1+model->BJTttf1*dt+model->BJTttf2*dt*dt);
here->BJTttransitTimeR = model->BJTtransitTimeR * (1+model->BJTttr1*dt+model->BJTttr2*dt*dt);
here->BJTtjunctionExpBE = model->BJTjunctionExpBE * (1+model->BJTtmje1*dt+model->BJTtmje2*dt*dt);
if (here->BJTtjunctionExpBE > 0.999) {/* limit required due to line 310 */
here->BJTtjunctionExpBE = 0.999;
fprintf(stderr, "Warning: parameter mje (including tempco) of model %s is limited to 0.999\n", model->gen.GENmodName);
}
here->BJTtjunctionExpBC = model->BJTjunctionExpBC * (1+model->BJTtmjc1*dt+model->BJTtmjc2*dt*dt);
if (here->BJTtjunctionExpBC > 0.999) {/* limit required due to line 314 */
here->BJTtjunctionExpBC = 0.999;
fprintf(stderr, "Warning: parameter mjc (including tempco) of model %s is limited to 0.999\n", model->gen.GENmodName);
}
here->BJTtjunctionExpSub = model->BJTexponentialSubstrate * (1+model->BJTtmjs1*dt+model->BJTtmjs2*dt*dt);
if (here->BJTtjunctionExpSub > 0.999) {/* limit required due to line 314 */
here->BJTtjunctionExpSub = 0.999;
fprintf(stderr, "Warning: parameter mjs (including tempco) of model %s is limited to 0.999\n", model->gen.GENmodName);
}
here->BJTtemissionCoeffS = model->BJTemissionCoeffS * (1+model->BJTtns1*dt+model->BJTtns2*dt*dt);
vt = here->BJTtemp * CONSTKoverQ;