AC Triac latch (CB7237E)

This circuit is suggested by a 1965 General Electric documentation. The triac must be in accordance with the controlled load.

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Germanium Transistor Voltage Regulator (CB987E)
This circuit, found in an old magazine of the year 1968, uses a Power germanium transistor. This...
1kHz Sallen High Pass Filter (CB25361E)
We found this circuit in the October 1990 issue of Radio Electronics magazine. The frequency can...
Bargraph Voltmeter (CB6042E)
We found this circuit in an 80's Radio Electronics. It can still be easily assembled as the used...