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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Unregulated Power Source of 6 and 9 V - (CB1166E)
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CMOS Latched Alarm (CB25948E)
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Telephone Relay (CB25234E)
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