18Watt amplifier circuit
TDA2003 is a BCL (bridge amplifier is used) and deliver a car to 18W.
TDA-series integrated circuits are well apreciated and used in the amplifier designs and projects. TDA audio amplifier circuits are usually manufactured in Philips and SGS-Thomson.
The most commonly used IC TDA2030 is a small audio amplifier TDA7294 sets and for higher power amplifiers.
In this article we present some representative diagrams of the amplifier circuit TDA: car and home audio amplifier with notes under each diagram.
TDA2003 is a cheap amplifier that is intended to be on a single rail power supply (running unipolar). Provides high output currents (up to 3.5 A), very low harmonic and crossover distortion.
18W Amplifier PCB with TDA2003
The performance is dependent on supply voltage and load resistance. More than 10 watts for 2 ohm speakers with a typical 16V supply, 9V power supply with 8 ohm speakers can be about 1W. Volume potentiometer and coolers provided.
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