Hi Steven, I thought your rule of thumb and mine were nearly the same, actually. Let's just drop the math out of it. Leave it as an exercise for student to run a spice simulation (or hyperlinx if you have it) and see for themselves :)
If you want to ask the heavy-weights on this matter, the SI-LIST is the place to go. DJ is just looking for the best way to solve his design problem. gene _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

