DIY Self Oscillating Class-D
Se here for the
diagram of the class-d amplifier in pdf.
Or press the thumbnail (jpg)
Part I, Bread board muck-up
So far I have only driven the
construction from a 16 V PSU, and only on the breadboard. The sound seems ok,
but it suffers from a high level of broadband noise.
I guess this is to be expected, and
very much hope this will disappear when build on a real two layer PCB.
Here is a measurement
on the output before the filter. The switching frequency is around 180 kHz
(a x10 probe is used).