Arduino controlled Dual Mono AK4490 DAC (part 3)
Following up on Part 2, it’s time to talk about the output stage. This output stage is the brainchild of my friend Kostas, all I did was lay out the PCB. It is a fully discreet single-ended class-A output stage, outputting ~2.4V RMS. This is its schematic: This is the PCB: And this is the […]
Arduino controlled Dual Mono AK4490 DAC (part 3) Continue Reading