[sdiy] ot: class D schematics found

[Czech Martin]

after searching through a lot of non DIY stuff, I found this:

http://www3.sk.sympatico.ca/abayko/pa1x200/pa1x200.htm

On the Texas Instrument (TI) site, I found an analog class D chip
20W, with interesting modulation scheme. I think it has perhaps
a disadvantage at low audio level, they want to avoid coils
at all cost...

H bridge seems to be common now.

m.c.