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Subject: SPICE-simulation of an inverter

Date: 11/28/99
Posted by: Nikolaj Nielsen
E-mail: niller(at)kom(dot)auc(dot)dk(no spam)
URL: http://

Message:

> HI > > I am in need of help. I an trying to simulate at oscillator with > CMOS-invertere, but it just dosent work. The inverter i hope to use is a > 4069. > > I hope that someone knows more about SPICE than me and can help me. > > PROGRAM: > > oscillator > > C 4 5 1N > R1 4 2 75K > R2 4 3 11.38K > > *mosfet(1) d g s b > mn1 3 2 0 0 ntype > mp1 3 2 1 1 ptype > > *mosfet(2) d g s b > mn2 5 3 0 0 ntype > mp2 5 3 1 1 ptype > > *MODELS (from 4007) > .MODEL NTYPE NMOS VTO=1.2 kp=5e-4 > .MODEL PTYPE PMOS vto=-1.3 kp=55e-5 > > *SUPPLY > Vdd 1 0 DC 12V > > *ANALYCIS > .TRAN 1MS 2MS > .PROBE > .end > > > CURCUIT: > > ----INV.----INV.------ OUT > | | | > R R C > | | | > ------------------- > > /Nikolaj Nielsen

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