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.
This simple transistorized game that appears in other versions in this section and website, was...
Microsemi Le87557 Differential Amplifier Mouser Electronics offers Microsemi Le87557 single...
In the figure we have an interesting configuration in which we took advantage of the very high...