This is one of the many versions we have of a 12 V power supply with the 7812. We found it in the Radio Electronics magazine of July 1984. The integrated circuit must be mounted on a heat sink.
The great advantage of the circuit shown in the figure is the fact that its frequency is...
This power supply provides a12 V stabilized output. The transistor must be provided with a good...
Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be...