A public address system (PA system) is an electronic system that includes a set of audio electronic devices such as microphones, amplifiers, loudspeakers, and other similar audio equipment. It is […]
Search Results for: transistor circuits
Bench Amplifier Circuit
A bench amplifier is a small test amplifier which includes basically all the features that are required for testing the performance of an input audio signal. It can be also […]
Two Tone Door Bell Circuit
The electronic 2 tone door bell circuit is designed around the popular IC 555. The IC 555 is extensively applied in numerous varieties of timers and also as a basic […]
Tennis Ball Throwing Machine Circuit
In article below explains the control circuit for an automatic tennis ball throwing machine, designed to throw a tennis ball through a mechanized catapult machine, controlled with powerful motors. In […]
Loudspeaker Thump Sound Eliminator Circuit
While using amplifiers, we sometimes experience this very annoying thump sound, popping up in loudspeakers whenever the amplifier is switched ON or OFF. This normally happens with amplifiers that are […]
White Noise and Pink Noise Generator Circuit
In this post I have explained how to build a simple white noise generator circuit which can be subsequently filtered to generate the pink noise output. If you hear to […]
