upgrade ngspice to v31

1 files changed, 28 insertions, 0 deletions

diff --git a/Windows/spice/examples/vdmos/IXTP6N100D2-n-weak-inv.cir b/Windows/spice/examples/vdmos/IXTP6N100D2-n-weak-inv.cir
new file mode 100644
index 00000000..5f2e6f8f
--- /dev/null
+++ b/Windows/spice/examples/vdmos/IXTP6N100D2-n-weak-inv.cir
@@ -0,0 +1,28 @@
+VDMOS output
+
+m1 d g s IXTP6N100D2
+m2 d g s2 IXTP6N100D2_2
+
+* LTSPICE model parameters
+*.MODEL IXTP6N100D2 VDMOS(KP=2.9 RS=0.1 RD=1.3 RG=1 VTO=-2.7 LAMBDA=0.03 CGDMAX=3000p CGDMIN=2p CGS=2915p TT=1371n a=1 IS=2.13E-08 N=1.564 RB=0.0038 m=0.548 *Vj=0.1 Cjo=3200pF ksubthres=0.1)
+
+* equivalent ngspice model parameters
+.MODEL IXTP6N100D2_2 VDMOS(KP=2.9 RS=0.1 RD=1.3 RG=1 VTO=-2.7 LAMBDA=0.03 CGDMAX=3000p CGDMIN=2p CGS=2915p TT=1371n a=1 IS=2.13E-08 N=1.564 RB=0.0038 m=0.548 Vj=0.1 Cjo=3200pF ksubthres=39m)
+
+* equivalent ngspice model parameters, trying to make output similar to data sheet Fig. 2
+.MODEL IXTP6N100D2 VDMOS(KP=6 RS=0.1 RD=1.3 RG=1 VTO=-2.7 LAMBDA=0.007 CGDMAX=3000p CGDMIN=2p CGS=2915p TT=1371n a=1 IS=2.13E-08 N=1.564 RB=0.0038 m=0.548 Vj=0.1 Cjo=3200pF ksubthres=39m rq=4 vq=200 mtriode=0.1)
+
+vd d 0 -0.6
+vg g 0 -2.3
+vs s 0 0
+vs2 s2 0 0
+
+.control
+dc  vg -3.1 -2.1 0.01 vd 0.2 1 0.2
+plot vs#branch
+plot vs#branch ylog
+dc  vd 0 60 0.1 vg -3 5 1
+plot vs#branch vs2#branch xlimit 0 60 ylimit 0 14
+.endc
+
+.end