Use LTSpice. Tom W0IVJ On 3/28/2015 4:49 PM, Eric Tyberghien wrote: > I'm looking for formulas or software that explain how to calculate rf > voltage in a pi filter. > > > > 73s > > > > Eric - F1FLY > > _______________________________________________ > Amps mailing list > Amps at contesting.com > http://lists.contesting.com/mailman/listinfo/amps > >