This circuit is from a Radio Electronics magazine from August 1974. It used one of the first photomultiplier tubes that was to be powered by high voltage. The power came from the mains.
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...
This crystal oscillator uses a common transistor and its frequency depends on the crystal used. We...
Found in the April 1995 issue of Electronics Now, this circuit operates at a lower frequency than...