Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source. The integrated circuit of the time must be equipped with a heat sink.
This project, found in a 1981 documentation, consists of an interesting adaptation of the test...
To start a motor from a set of batteries, battery or power supply the indicated circuit is the one...
This flasher for incandescent lamps was found in Radio Electronics magazine from July 1968. The...