Found in the September 1972 issue of Radio Electronics magazine, this signal injector is based on the HEP580. The circuit is powered by two batteries and its frequency is basically given by C1.
) The integrated circuit used in this control is uncommon today and the maximum current obtained allows...
The purpose of this circuit found in a 1994 documentation is to drive a 24 V motor. The circuit...
Found in an American transistor documentation from 1954, this 4-transistor amplifier uses the...