This Power supply sources from 500 to 1,000 mA according the transformar and was found in a publication of the year 1958. The diodes can be now the 1N4004 and the transistor should be mounted on a heatsink.
This circuit is from the SGS manual of linear integrated circuits of 1982. The circuit is based on the...
Found in a Popular Electronics from the 90s, this circuit is suitable for communication between rider...
Indicated as a joke or challenge this circuit shows how it is possible to control two lamps using...