Peak detector (CB8294E)

Found in a 80’s Popular Electronics, this circuit detects the positive peak of a signal providing a equal value voltage at its output.

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IR Modulated Transmitter (CB856E)
This circuit produces a IR beam with a frequency adjusted by the 100k pot. The circuit can be used in...
Telephone Scrambler (CB23524E)
This voice scrambler and descrambler circuit was found in a Radio Electronics from July 1963....
0 to 15 V x 7A power supply (CB17368E)
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