Video amplifier and video detector


Posted on Sep 28, 2012    6478

The circuit has a typical voltage gain of 84 dB and a typical AGC range of 80 dB. It gives very small changes in bandpass shape, usually less than 1 dB tilt for 60 dB compression. There are no shielded sections. The detector uses a single tuned circuit (L3 and CIO)

Video amplifier and video detector - schematic

Coupling between the two integrated circuits is achieved by a double tuned transformer (Ll and L2).

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