Timothy,
>>all due respect Allison Bitx20A is a dual IRF510/A? class B? design with substantial drive frm small signal drivers .
What is a bitx20A???
Also I made no assumption any Bitx has a Class A amp most builds I've seen would either oscillate or melt
at 1-2 A no signal drain current.? ? Most people run them starved at 50ma to lower the gain of the IRF510
and that near class B.
I built the bitx20 and it was a single device. Maybe? your talking about the hendricks bitx20 could as it had
BS170 push pull driving IRF510 push pull? However, its was unspecified so I covered the known case.
For the Hendricks they could do much more if they didn't break into oscillation first.? Most I got to see were
better power oscillators than transmitters.? Minor changes tamed them and usual was 12-15W.
Both cases 70V PP would be 24W output across 50ohms , you would only get that with the PA at
more than 18V.? or its an incorrect measurement.
Allison
