8 Channel DIY Digital Audio Amplifier



Here is my PCB for the tas5518 modulator.


It has an spdif receiver (DIR1703) for stereo source and a possible connection to a DSP device via I2S. The tas5518 modulator is connected to 8 tas5121 output stages.

The control part is done with an MSP430 also from texas (essentially driving an lcd and receiving infrared commands to control the modulator)
A second board (Front panel board) feature the LCD and the IR receiver.

Have a look at the pictures and schematics (in Eagle format) and also Gerber&excellon files



Main Board

Schematics pic

PCB pic

Front Panel

Schematics pic

PCB pic







More Pictures

Main Board Files

Front Panel Files