luke/ngspice
1
0
Fork 0
mirror of https://git.code.sf.net/p/ngspice/ngspice synced 2026-08-22 05:47:42 +02:00
Code Issues Packages Projects Releases Wiki Activity

dio/diotemp.c, drop DIOgradingCoeff limit

Browse Source 
Used to be limited to a maximum of 0.9
Varactors may need much larger values.

Thanks to Wang You for hinting to this ancient relict.
This commit is contained in:
rlar
2017-07-18 19:24:45 +02:00
parent f1fe7ff842
commit def49ac415
1 changed files with 0 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/spicelib/devices/dio/diotemp.c
-17
View File
@@ -38,13 +38,6 @@ DIOtemp(GENmodel *inModel, CKTcircuit *ckt)
model->DIOnomTemp = ckt->CKTnomTemp; model->DIOnomTemp = ckt->CKTnomTemp;
} }
vtnom = CONSTKoverQ * model->DIOnomTemp; vtnom = CONSTKoverQ * model->DIOnomTemp;
/* limit grading coeff to max of .9 */
if(model->DIOgradingCoeff>.9) {
SPfrontEnd->IFerrorf (ERR_WARNING,
"%s: grading coefficient too large, limited to 0.9",
model->DIOmodName);
model->DIOgradingCoeff=.9;
}
/* limit activation energy to min of .1 */ /* limit activation energy to min of .1 */
if(model->DIOactivationEnergy<.1) { if(model->DIOactivationEnergy<.1) {
SPfrontEnd->IFerrorf (ERR_WARNING, SPfrontEnd->IFerrorf (ERR_WARNING,
@@ -94,16 +87,6 @@ DIOtemp(GENmodel *inModel, CKTcircuit *ckt)
+ (model->DIOgradCoeffTemp2 * dt * dt); + (model->DIOgradCoeffTemp2 * dt * dt);
here->DIOtGradingCoeff = model->DIOgradingCoeff * factor; here->DIOtGradingCoeff = model->DIOgradingCoeff * factor;
/* limit temperature adjusted grading coeff
* to max of .9
*/
if(here->DIOtGradingCoeff>.9) {
SPfrontEnd->IFerrorf (ERR_WARNING,
"%s: temperature adjusted grading coefficient too large, limited to 0.9",
here->DIOname);
here->DIOtGradingCoeff=.9;
}
vt = CONSTKoverQ * here->DIOtemp; vt = CONSTKoverQ * here->DIOtemp;
/* this part gets really ugly - I won't even try to /* this part gets really ugly - I won't even try to
* explain these equations */ * explain these equations */