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Parts List
- 1 * TDA2822
- 1 * 10k (Trimmer, Potentiometer or Logarithmic Potentiometer)
- 3 * 10 Ohm Resistor
- 3 * 0.1uF Ceramic Capacitor
- 1 * 100uF/16V Electrolytic Capacitor
- 1 * 10uF/50V Electrolytic Capacitor
Theory
In this project, the main component is TDA2822 which is an integrated audio amplifier that can operate with a supply voltage ranging from 2 to 12 Volts.
TDA2822 can work in both Bridge & Stereo configuration. But for this project, I am using the Bridge configuration. TDA2822 also has a closed-loop voltage gain of about 40 dB for both Bridge & Stereo configuration.
In the circuit, the RV1 pot can be used to control the volume.
Circuit Diagram
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