Synchronized Triac Switch (CB26127E)

This zero-crossing circuit was found in the 1989 Radio Electronics Experimenter. The Triac must be controlled according to the load.

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Diode without threshold (CB19493E)
We found this circuit in a circuit manual from the 1980s. The circuit eliminates the conductive...
Electronic Beep Beep (CB16469E)
This circuit generates interval signals controlled by a light sensor. The basic time of the sound...
Bipolar Digital Amplifier (CB25627E)
This high-gain digital amplifier uses general-purpose transistors. The supply voltage is logic...