This 600 W reducer uses SCRs and a switching system. The circuit is from Motorola's 1975 documentation. Equivalent components can be tested for other powers.
Using an operational amplifier of the time, this circuit was obtained from a 90s Radio...
We found this circuit that was part of a teaching set in a Radio Electronics magazine from June...
This circuit was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...