This circuit was obtained from a 1967 GE SCR manual. The SCRs must be rated for the wattage of the controlled heating element.
This circuit for igniting gas flames was found in a 1967 Electronic Design. The SCR firing device is a...
We found this circuit in a 1966 US documentation. It simulates a variable capacitor that can vary...
Found in Radio Electronics, this circuit is intended to activate the lighting system of garages...