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Subject: SPICE-simulation of an inverter
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Date: 11/28/99
Posted by: Nikolaj Nielsen
E-mail: niller(at)kom(dot)auc(dot)dk(no spam)
URL: http://
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> 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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