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.
This simple source with zener regulation is ideal for experimental projects with operational...
This circuit, from the 90's, is intended for operation with vinyl record players of the time, as...
This circuit was found in a 1970s General Electric documentation. This circuit already used an...