Re: gEDA-user: Temp Simulation in Spice

[sdb@cloud9.net (Stuart Brorson)]

Doing temp dependent simulations is covered at this website:

http://newton.ex.ac.uk/teaching/CDHW/Electronics2/userguide/sec1.html#1.2

Stuart


> 
> Sorry if this is too far off subject.
> 
> I have tried to subscribe to the ngspice group.  Nothing.  I tried to
> subscribe with a browser and by sending mail to the subscribe address.
> Is that group dead?
> 
> I am using spice3f5.  gschem and gnetlist are great tools for
> producing the spice deck.  I just add analysis at the end.
> 
> I looked at 'help->introduction->analysis at different temperatures'.
> I either missed it or how-to-doit is not there.  I have the spice book
> and a couple others.  But, between spice2 and spice3, the .temp card
> was removed!
> 
> How do I do a simulation of temp in a resistor?
> 
> v1 1 0 dc 1 ac 1
> r2 1 2 100
> r3 2 0 100
> 
> I believe I need to use the semiconductor resistor model to use the
> temps, tc1 and tc2.  I cannot get the syntax correct.
> 
> Something like
> 
> r3 2 0 RMOD 100
> .model RMOD R(tc1=0.7 tc2=0.01)
> 
> tomdean
>