Video amplifier and video detector


Posted on Sep 28, 2012

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
Click here to download the full size of the above Circuit.

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




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