This plug-in control was found in General Electric documentation from the 1970s. The SCR can be the TIC106 mounted on a heatsink. The circuit can be changed to the 220 V network.
This circuit was found in a September 1982 Radio Electronics magazine. It was the type commonly used...
This simple circuit, suggested by 1969 documentation, has already been featured in other articles...
We found this receiver for the 144 MHz band in a European publication from the 1970s. The circuit...