This power supply was found in the September 1989 issue of Radio Electronics magazine. The 2N3055 must be equipped with a heat sink.
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
This circuit was found in an Electronic Design from the 90s. The integrated circuit is from that...
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...