Re: gEDA-user: Simulation with Potentimeter

[John Sheahan <jrsheahan@optushome.com.au>]

On Sun, Jan 04, 2004 at 09:15:55PM +0100, mailinglists@my-mail.ch wrote:
> Hi Stuart,
> 
> I did some simulations today using ".dc name start end stepsize" so that
> would mean for your example
> 
> Resistor sweep test circuit
> r1 0 1 100
> r2 1 2 1k
> v1 0 2 1v
> .dc r1 100 1k 100
> .end
> 
> This way it works and generates values, but shouldn't the result be a
> straight line?
> 
> 
> Tobias

this circuit has the transfer function vout = v1 . r1 / (r1+r2)
which is not a linear function of r1 (not a straight line)