On 4 Nov 2020 at 15:28, Robert Eleazer wrote: > > I was searching online for some info on the Motorola MFC9020 IC after finding one in my junkbox, > and look what I found: > > https://archive.org/details/solidstateconver00steupdf > > Wayne > WB5WSV That is REALLY interesting, Wayne!!! Thanks. Ken W7EKB