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Audio circuits design projects and schematics

Audio circuits design projects and schematics, various audio amplifiers circuits with diagram and schematic.

TDA1029 audio signal source switch circuit diagram electronic project

Using TDA1029 integrated circuit can be designed a very simple and useful audio signal source switch electronic project using few electronic parts.
The TDA1029 is a dual operational amplifier (connected as an impedance converter) each amplifier having 4 mutually switchable inputs which are protected by clamping diodes. Signal-sources switch can be made in various mods :

Circuit Diagram: 
TDA1029 audio signal source switch circuit diagram electronic project
Electronic Circuits: 

TDA7350 power amplifier circuit design stereo and bridge

This electronic circuit project is a class AB audio power amplifier designed using the TDA7350 IC manufactured in a Multiwatt package .The TDA7350 audio power amplifier require few external components and can be used in stereo mode or mono (bridge ) mode .

Circuit Diagram: 
TDA7350 power amplifier circuit design stereo
TDA7350 power amplifier circuit design bridge
Electronic Circuits: 

LM4765 2 x 30 watt amplifier circuit design electronic project

This 2 x 30 watt amplifier electronic circuit project is designed using the LM4765 stereo audio amplifier IC capable of delivering typically 30W per channel of continuous average output power into an 8Ω load with less than 0.1% THD+N.
Each amplifier has an independent smooth transition fadein/out mute and a power conserving standby mode which can be controlled by external logic.

Circuit Diagram: 
LM4765 2 x 30 watt amplifier circuit design electronic project
Electronic Circuits: 

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