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.
Capacitor C and resistor R in this circuit determine the time the output remains at the high level...
We found this circuit in the Linear Applications Handbook of the 1994 National Semiconductor. The...
The transistors in this circuit from a 1994 technical publication may be BC548 and the 12 V supply...