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|12th June 2012, 01:00 PM||#1|
LND150 Depletion MOSFET model
Someone had posted a DMOS model for the LND150 on another forum. I've taken the Supertex info and re-worked it a tiny bit to come up with the following changes to their NMOS Model:
.SUBCKT BVS841_DepletionMosfets__1__5 10 20 30
M1 10 20 30 30 NMOS
.MODEL NMOS NMOS (
|12th June 2012, 01:26 PM||#2|
I don't get it, supertex makes a whole library available, and LND150 has a model in it too (see below). Was there a problem with their model?
.MODEL LND150 NMOS (LEVEL=3 RS=150.00 NSUB=5.0E13
+DELTA=0.1 KAPPA=1.O TPG=1 CGDO=2.1716E-12
+RD=40.0 VTO=-2.0 VMAX=1.0E8 ETA=0.1
+NFS=6.6E10 TOX=1.0E-7 LD=1.698E-9 UO=862.425
+XJ=6.4666E-7 THETA=1.0E-5 CGSO=5.09E-10 L=10.0E-6
|12th June 2012, 04:32 PM||#3|
It's just the VTO and RD which are modified -- but it looks somewhat more than the chart on page 3 of the datasheet:
|5th June 2014, 10:28 PM||#4|
Join Date: Jan 2004
To make this model work in mutlsim, are the following connections correct?
10 = Drain
20 = Gate
30 = Source
if so, I don't see that much difference if you add a capacitor parallel to the source resistor.
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