Pulse stretcher (CB9244E)

Found in a 1967 American documentation, this circuit increases the duration of a pulse applied to its input. The circuit is used to drive a relay.

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Old time crystal radio (CB21213E)
Found in American documentation from the 1990s, this circuit uses coils with multiple outlets to...
TS5A22364 and TS5A22364 Q1 Double Analog SPDT Switches (COM123E)
September 2016 - It can be obtained by Mouser Electronics the new dual analog switches TS5A22364 /...
Heating element controller (CB9473E)
This temperature control was found in General Electric documentation from the 90's. The circuit uses...