Am Mo, 30.04.2007, 13:14, schrieb Alexandros K-K:
> hello everyone.
> I am trying to use qucs (which in my mind seems to be the
> best of gui- driven, no hassle eda foss software) for a report i have. I
> hope you put up with my newbie questions
> a) Transient simulations. Dunno why i just cant make them work... even a
> simple one like http://users.ntua.gr/el04092/bah.sch
the frequency of the source is 1GHz. with tstop=1ms you try to simulate
a lot of periods..., so set frequency to e.g. 2kHz.
> b) I am also trying to make a dc analysis of the 741 opamp, but qucs
> like my voltage sweeping
put a small resistor in the feedback-path to make it work...
hope this helps,