> I am using Spice 3f5, attempting to model a coax line. I am a nubie > at this. The lossless example uses two lines to model one coax. Do I > need to do this with the ltra model? It does not seem to make a > difference. > > I get funny results. I use > > ac dec 100 1 1000meg > plot db(v(4)/v(2)) > > I see what I expect up to about 18mHz and then it oscillates. > > What am I doing wrong?
You can try to use qucs instead of spice. This is a real RF/microwave simulator. I also had problems with simulating transmission lines in spice. Wojciech Kazubski _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user