Multi-Channel Surround Sound Systems

Vysakh July 11, 2017 40 Comments
In this article, the working and basics of multi-channel surround sound system is explained along with images. The different types of sound systems available and other common sound formats are also explained in detail. Related Articles WORKING OF AMPLIFIERS...
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Few Transistor amplifier circuits

admin March 14, 2011 25 Comments
This article is a list of various types of amplifier circuits built using Transistors alone.This includes a Class AB amplifier using 4 transistors, then we have a headphone amplifier circuit and finally a low power amplifier using transistor. This...
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50 Watt MOSFET amplifier

admin March 10, 2011 1 Comment
A simple and easy to build 50 watt MOSFET audio amplifier circuit is shown below. The circuit uses easily available components and provides excellent sound quality .   Description: The first stage of the amplifier is a differential amplifier...
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Low cost Mic Mixer

admin April 21, 2010 3 Comments
Description This is the schematics of a low cost mic mixer that can be assembled from the components in your junk box.This two channel mike mixer is designed for handling high impedance dynamic microphones.Transistor Q1 can be any general...
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USB sound card

jacky April 7, 2010 17 Comments
Description. Designing and building a USB sound card is no longer a head ache because we have got the PCM 2702 integrated circuit from Texas Instruments. The PCM2702 is an integrated 16 bit digital to analog converter that has...
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40W amplifier using TDA1514

jacky April 7, 2010 16 Comments
Description. Many electronic circuits dealing with audio amplifier circuits have been published here. This is just another one and here we use the TDA 1514 high performance hi-fi amplifier from Philips. The IC has a bunch of useful features...
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3 way active cross- over network

jacky April 7, 2010 12 Comments
Description. Here is the schematic of a 3 way active cross- over network circuit that finds a lot of application in audio amplifier systems. The heart of this circuit is National Semiconductor’s IC LF353 which is a dual JFET...
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2 x 32 Watts stereo amplifier

jacky March 8, 2011 56 Comments
Description. The circuit given here is of a 2 x 32 Watt stereo amplifier using the famous TDA2050V IC from ST Microelectronics. The TDA2050V is an integrated monolithic 32 watt class AB audio amplifier IC available in the Pentawatt...
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4 X 15 Watt power amplifier

jacky April 7, 2010 10 Comments
Description. A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because it is a four channel amplifier. Each channel of this amplifier can deliver an output...
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