[AMRadio] Plate modulating a 807

RJ Mattson rjmattson at hvi.net
Tue Apr 6 23:19:15 EDT 2004

This url is to my Hammarlund Four20 AM transmitter schematic.
The PA 807 screen does not seem to be modulated through a dropping
resistor or self modulated with a choke. The Hammarlund Four11
plate modulator is connected in place of jumper MOD on the
schematic. Should I try it as is or rewire?


More information about the AMRadio mailing list

This page last updated 15 Dec 2017.