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.
We find this circuit in an American 1980s documentation. Integrated circuits are uncommon today as...
May 2017 - Toshiba's new Bluetooth Low Energy Chip TC35678 for wireless applications can be...
This circuit triggers an alarm in the event of a power failure. The circuit is from an 80's...