Microphone balanced amplifier (CB9388E)

This circuit was found in an old American documentation. The integrated circuit used is uncommon today.

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Synchronized AC switch (CB9261E)
Found in a 1965 General Electric circuit manual, this circuit uses SCRs from that time. Modern...
VCNL4100 Proximity Sensor and Ambient Light (COM147E)
November 2016 - Vishay's new proximity sensors VCNL4100 for display presence and activation,...
SCR Test Circuit (NI007E)
This circuit is used to test SCRs like the ones of TIC series. The simulation shows the power line...