The am modulation in my model 80 quit. Which tubes are used in this circuit? The rf output is OK.
tnx, AL
measurements corp model 80 sig gen
May 15, 2007
1 Replies
If the RF is OK and the voltage regulator is glowing that means the rectifier is OK. There can't be very many other tubes in that generator. The RF is a 955 tube and that is in the round can.
It's been at least 20 years since I had mine open so I can't remember what tubes are in there.
Bill K7NOM
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