What's the cause of THD in class D amplifiers?

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aborigini

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Hi all,

I am designing this class D amplifier with feedback. The THD is pretty high.

I am really wondering the causes of the THD. I know it should have come from the non-linearity in the system. I hope to reduce it to minimal, but really got problem.

Do anyone design it before? Or any thesis on it? Thanx in advance
 

thd class d

Go on IF's website and find a document on their sample project Class-D 400W audio amplifier Using IRF2110 I think. They included schematic in the document, so you can compare your design to theirs and see where are you doing wrong.
 

class d thd

Sorry, could we have more details about the web address please?
can't find it!:|:|
 

class-d thd

 

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