Single Chip Amplifiers:
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DIY Test Equipment  
LM3875 Design
LM3886 Design
LM1876 Design
LM4780 Parallel Design for low impedance loads
LM4780 Bridged Design for very low THD
LM4780 Stereo Design
Power Supply for Chipamps
The National Semiconductor "Overture" series of single chip audio amplifiers affords the DIY hobbyist an inexpensive and reliable means of obtaining high power and low distortion.  We describe several implementations -- click on the links to the left.

Boards for the projects at the left are available here: STORE