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Joemac2013
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Rookie
re: Enhancing performance and reliability in high-power Class D audio amplifier designs
Joemac2013   2/21/2013 6:50:32 PM
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After constructing many versions and improvements, I have come to a major conclusion: The technology for HiFi is there! The amp system can sound just as good as anything out there... I went into the research expecting to be able to tear the Class D apart. I was wrong, this is a " disruptive technology " ! The use of Chips from the like of IR, make implementing it easy.

Hughston
User Rank
CEO
re: Enhancing performance and reliability in high-power Class D audio amplifier designs
Hughston   3/16/2011 7:48:12 PM
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But what if I wanted to use paralleled driver stages? Could this part accomodate that? I don't think so. I want to switch multiple Class D drivers at the same frequency but offset the switching times so the power supply isn't hit with the high switching currents all at once. The PWM is internal and I think I can't do it with this part unless it allows an external override of the switching frequency.

Shell9
User Rank
Rookie
re: Enhancing performance and reliability in high-power Class D audio amplifier designs
Shell9   2/24/2011 10:56:38 PM
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What about IM or Intermodulation distortion? Women report that the music is "too loud" with even "small" amounts of IM present.

FErnando
User Rank
Rookie
re: Enhancing performance and reliability in high-power Class D audio amplifier designs
FErnando   2/24/2011 12:05:05 PM
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Very usefull article. It would be intresting to add something about electromagnetic interference (EMI) and layout tips that dramatically affect the switching amplifier performance.



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