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change parameter to scalef when calculating n empirical compromise between smooth curve and reduction of Id slightly above threshold

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Holger Vogt 2018-04-24 21:39:16 +02:00 committed by rlar
parent 3ee3ab39a9
commit 5ba25a8716
1 changed files with 1 additions and 1 deletions
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2
src/spicelib/devices/vdmos/vdmosload.c
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@ -892,7 +892,7 @@ cweakinv(double slope, double shift, double vgst, double vds, double lambda, dou
{
vgst += shift * (1 - scalef(0.5, vgst));
double n = slope / 2.3 / 0.0256; /* Tsividis, p. 208 */
double n1 = n + (1 - n) * scalef(1, vgst); /* n < n1 < 1 */
double n1 = n + (1 - n) * scalef(0.7, vgst); /* n < n1 < 1 */
double first = log(1 + exp(vgst / (2 * n1 * vt)));
double second = log(1 + exp((vgst - vds * mtr * n1) / (2 * n1 * vt)));
double cds =