Driver Darlington (CB8957E)

This circuit was obtained in a 1960 documentation of General Electric. It is applied in the control of registers of the time.

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Regenerative circuit for two sensors (CB8266E)
Found in a 1967 American publication, this circuit with feedback for two transistors has a gain of...
Delay circuit (CB7545E)
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AND function with relay (CB19767E)
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