Quote:
Originally Posted by Penthode
Curious circuit. The signal on the unbypassed screen grid will be anti-phase to the cathode coupled signal. The RC network off the screen grid is also interesting: perhaps the circuit was to improve the frequency/phase response of the amplifier? I shall give this more thought
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If feeding forward, C402 would be adding in-phase
What are they up to?
Through both stages, a lot of response tweaking
C401, C407, L401, L402, L403, C110, C404, L404, L405
I have to question how well ~1meg DC path can maintain clamped video