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Shaun 16th August 2001 12:03 PM

Can anyone refer me to literature/info on the design of Class D amplifiers, specifically for use as subwoofer amps?


Petter 16th August 2001 10:46 PM (they may have changed name) (there is some info in Danish here)

the list goes on. Do a search on google. You may wish to add the following criteria in addition to the obvious:

Apogee DDX

I think we can safely say that TI has thought leadership in this area today.


km 17th August 2001 12:29 AM


>there is some info in Danish here>

not much if any in danish (or english either)...

are you interested in designing or using class-d amplification?

if the latter you may find this of interest :

bye k madsen

Petter 17th August 2001 09:18 PM

OK then

This is an update on their sigma delta unit which should come out at some point.

Intersil (not Harris) with CoolAudio -- I saw some pretty nifty design notes there a few years back on how to design proper two stage LC filters. Nice. A quick google search (courtesy of crappy Intersil search engine) yielded which you might find useful.


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