We found this transformer-isolated control circuit in a June 1995 Electronics Now. The triac must be equipped with a heat sink.
This circuit is from old American documentation intended to trigger the flash of a camera flash with...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...
This tester from a 1960 magazine is only for capacitors with insulation voltages above 200 V (110...