On Jun 16, 2009, at 10:29 PM, Michael B Allen wrote: > On Tue, Jun 16, 2009 at 10:59 PM, al davis<[email protected]> > wrote: >> On Tuesday 16 June 2009, Michael B Allen wrote: >>> Is there a trick to using this model? >>> >>> What am I doing wrong? >> >> You forgot to plug in the J-Fet. >> >> The Jfet model is not built-in. >> >> The stable version doesn't have a Jfet. The snapshot requires a >> plugin. There is one in the "models-spice3f5" tarball. >> >> http://gnucap-2009-06-11-models-spice3f5.tar.gz >> >> get it, go to "jfet" .. "make" ... you get a "jfet.so" .. copy >> it to your workspace .. then put the command "load ./jfet.so" >> ahead of anything else. >> >> >> I need to change the error handler. Failure to find a model >> should stop batch mode. As it stands, you get a warning and it >> tries to run it with a part missing. > > I see. Yeah, using SPICE instead of GNU-Cap gives exactly the results > I expected. The output plots right over the input. > > I think I'll just go with SPICE for now. Since I'm not an EE I'm just > trying to validate the circuit before I build it. > > Regarding Steven's comment, I did not intend for that RC to be a high > pass filter. I thought 1/(2 * 3.14 * 1000000 * 0.0000001) = 1.59 Hz? >
oops I dropped a k now you know why rovers don't work........ :-P > Mike > > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

