Published:2009/7/16 2:50:00 Author:Jessie | From:SeekIC
Negative voltage on suppressor controls gain of dual-control sharp-cutoff pentode. Cathode cur rent is independent of agc, and control grid bias automatically adjusts to prevent modulation clipping.-L. Solomon, New Tubes and Circuits for Consumer Electronics, Electronics, 36:2, p 47-49.
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