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VIDEO_IF_AMPLIFIER_AND_LOW_LEVEL_VIDEO_DETECTOR_CIRCUIT

2016-09-11 09:28  
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VIDEO_IF_AMPLIFIER_AND_LOW_LEVEL_VIDEO_DETECTOR_CIRCUIT
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 C10). Cou-pling between the two integrated circuits is achieved by a double tuned transformer (L1 and L2).