Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of the era, the PA237. The circuit runs on 24 V and excites a 16-ohm speaker.
January 2017 - Mouser Electronics is announcing the availability of the new OptoMOS® CPC1010N...
In the figure we have a typical detector stage for a radio receiver. The circuit is from 1963,...
This circuit generates signals controlled by crystal and can generate marks up to 30 MHz of 1 in 1...