Suggested by a 90s EDN, this circuit supports almost any LED as a source and a phototransistor as a detector. The circuit operates with a PLL 567 at a frequency of around 40 kHz.
) 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...