26-04-2012, 01:49 PM
Hi Lawrence,
The original circuit; my sketched drawing, based on your text. Why the 100 pF cap. at the grid of the R.F. amp.?
It isn't needed: there's no AGC voltage to keep away from the input L/C; no -ve bias rail fed to the grid: bias is set at the cathode.
Al.
The original circuit; my sketched drawing, based on your text. Why the 100 pF cap. at the grid of the R.F. amp.?
It isn't needed: there's no AGC voltage to keep away from the input L/C; no -ve bias rail fed to the grid: bias is set at the cathode.Al.
