This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of analog televisions of the time. The integrated circuit used is uncommon today.
Touching the sensor with your fingers, this circuit produces a machine gun sound. The circuit must...
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
We found this circuit in an old documentation. Its purpose is to turn on warning lights when the...