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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Tone decoder (CB13936E)
This decoder filter was found in a 1975 documentation. The integrated circuits can be 741. The...
16 W Amplifier (CB6168E)
This circuit is from an Electronics World of 1968. The transistors are of the time and the power...
15 W Amplifier using the TDA3000 (CB430)
This circuit uses a not easy to find IC these days. The circuit sources 15 W to a 4 ohm load and...