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.
This circuit, suggested by Texas Instruments, is based on the integrated TL497A, designed for...
In the figure we have the way to implement a sinusoidal oscillator with the 4093 IC. The component...
This circuit was found in an old American documentation. It can operate with signals from 40 Hz to...