Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages range from 0 to 20 V. The integrated circuit and the transistor must have heat sinks.
Found in ancient documentation, this circuit uses a high voltage transistor of the time. Observe...
This voltage inverter uses a small transformer. The circuit was found in the April 1995 issue of...
We found this circuit for musical instruments in the March 1992 Radio Electronics magazine. The...