This circuit detects when an audio signal exceeds a certain level or even occurs due to an object falling, a door slamming or other. The circuit is from a Radio Electronics from January 1980.
With this device, ultrasounds captured by an appropriate microphone are converted into sounds and...
This circuit suppresses the hiss or thermal noise that occurs in the amplifiers in the absence of a...
June 2016 - Mouser Electronics is providing the controller with N-channel MOSFET for IGBTs and...