The TDA2003 is a great sounding low wattage chip amp that’s perfect for casual listening with bookshelf and computer speakers. In this video, the presenter is going to show you how to design and build a stereo TDA2003 amplifier.
First, he will show you the schematic and talk about what each component does. Then will show you the final PCB, and give you some tips on how to layout an amplifier PCB.
Courtesy: Circuit Basics