Build a Agc System For Ca3028 Rf Amplifier Circuit Diagram. An MPF102 amplifier feeds IF signals to a 2N4126. A potentiometer in the MPF102 source acts as a gain control. This voltage is rectified by an 1N914 doubling detector, and drives a 741 op amp via a source follower (Q14). S-meter and IF-gain controls are provided.
Agc System For Ca3028 Rf Amplifier Circuit Diagram
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