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.
The circuit suggested by National Semiconductor mows signals from a peak determined by the...
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...
The LM150, 250 and 350 series of 3 A are manufactured by several semiconductor industries that...