Highly recommend reading the various interviews and papers by Bruno Putzeyes. He’s been pushing the state of the art in PDM / PWM / Class-D amplification for th

Highly recommend reading the various interviews and papers by Bruno Putzeyes. He’s been pushing the state of the art in PDM / PWM / Class-D amplification for the last 20 years or so. Here’s a white paper of his specifically about direct PWM amplification. https://www.researchgate.net/publication/242013327_All_amplifiers_are_analogue_but_some_amplifiers_are_more_analogue_than_others https://www.researchgate.net/publication/242013327_All_ampli...