Light Sensitive Timer (CB24796E)

This circuit was found in the April 1984 issue of Radio Electronics magazine. The circuit directly drives a TRIAC to a high-power load.

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Isolated optical shield (CB18657E)
This circuit is from old European documentation. R1 depends on the output voltage of the...
Optical Fiber Experimental Transmitter (CB15950E)
This circuit can be used in an experimental link for educational purposes. based on an integrated 4093....
Low Power Amplifier with Transformer (CB12874E)
This circuit provides just over ½ W to a small speaker. We found this configuration in an old...