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.
This timer circuit was found in a 1980s American documentation. Transistors and SCR support modern...
The circuit shown below provides four adjustable reference voltages. Each of them is produced by a...
This well-known oscillator with complementary transistors was found in Radio Electronics magazine from...