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 strobe light circuit with xenon lamp was found in a 1995 documentation. The circuit is...
This transceiver circuit was found in a 1997 documentation. The circuit operates in the 80 meters...
The TSC102 integrated circuit from ST-Microelectronics consists of a current sensor system that, in...