Tv-audio-amplifier


Posted on Sep 8, 2012

The amplifier picks up the TV`s audio output signal and amplifies it to drive a set of earphones for private listening. It is built around an LM324 quad op amp and an LM386 low-power audio amplifier.


Tv-audio-amplifier
Click here to download the full size of the above Circuit.

The circuit uses an inexpensive electret microphone element as the pick-up and a set of earphones as the output device.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Timer circuit
Domestic VLF Reception
electronic combination lock LS7220
light sensor circuit
Water quality checker project simple circuit diagram
IR Remote Control Jammer With 2N4403 PNP Transistor
ISL81487 5V Half Duplex 5Mbps RS-485/RS-422 Transceiver
HOLTEK 9200B & 9170B DTMF Generator & Receiver
A S/PDIF Free Space Digital Audio Optical Link
PC-powered thermometer



Top