PCM switching (CB9403E)

Using a tunnel diode, this circuit was found in a 1966 American publication. The circuit is for signals sampled at a speed of 8,000 sps.

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Logarithmic amplifier with 741 (CB7452E)
Found in Electronics Now from the 90s, this circuit can use any general-purpose transistor. The power...
Phase Inverter (CB7500E)
This circuit provides two outputs of the same signal. One with the original phase and the other...
Pulse-triggered 7555 monostable (CB25128E)
We found this circuit in a Radio Electronics magazine from April 1988; The output timing is given...