We found this circuit in a 1964 Electronic Design. The triac and SCR can be replaced with modern equivalents according to the load. The circuit is for 160V network.
This different power control circuit with SCR was obtained from a 1967 magazine. The SCR can be...
The L coil of this receiver determines the received waveband. The circuit is from a 1963...
This circuit is part of an article published in the March 1990 issue of Radio Electronics...