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 frequency division multiplexing signal decoding circuit is from a 1980s documentation. The integrated...
This sample and hold circuit is traditionally configured and uses an operational amplifier with...
Found in Elektor Electronics from the 90s, this circuit can generate signals from 1 kHz to 9 MHz,...