A true One-Bit Power D/A Converter.

We've come a long way since believing it made sense to go straight from digital to the power stage. Have an inside look at the best power DAC ever built and how complicated it got before the penny dropped.

Simple Self-Oscillating Class D Amplifier with Full Output Filter Control.

The original UcD publication.

Simple, Ultralow Distortion Digital Pulse Width Modulator.

The first description of the ripple cancellation trick that's quietly revolutionizing single phase PWM in motor control.

AES master class, the engineer's survival guide.

A slightly ambitious slide show for a 2 hour presentation on everything audio.

AES Class D master class.

A slide show presenting a good run-down of class D basics.

All Amplifiers Are Analogue, but Some Are More Analogue Than Others

The definitive explanation why there's no such thing as a "digital amplifier", and why most "digital" amplifiers are seriously fundamentally flawed.