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19th September 2006, 07:51 PM
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#1 |
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diyAudio Member
Join Date: Sep 2006
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dead-time, feedback, thd
Hi all,
I am designing a class d amplifier from scatch. I learnt that to minimise thd, the feedback loop is necessary. However, after I added the feedback loop, the 3rd and 5th harmonics are really high. The rest of harmonics are low. I added the deadtime at the output stage. I am wondering if the dead-time has cause more distortion in the feedback loop as it creates distortion in the baseband signal. Any idea? Really stress over this. thx |
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19th September 2006, 09:53 PM
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#2 |
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diyAudio Member
Join Date: Jul 2003
Location: Vilnius
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Have you searched the forum ? There is more than enough info on that.
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