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Class D Switching Power Amplifiers and Power D/A conversion

Class D Amplifier Feedback
Class D Amplifier Feedback
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Old 26th November 2015, 01:43 PM   #1
Nick2015 is offline Nick2015  Argentina
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Default Class D Amplifier Feedback

Hi, I haven't been able to find information about Class D feedback. If anyone can provide any information I'll be very gratefull. Thanks!
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Old 26th November 2015, 04:13 PM   #2
nigelwright7557 is offline nigelwright7557  United Kingdom
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Class d feedback and be pre filter or post filter.

The feedback is important because in some class d amps it forms part of the oscillator circuit.
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Old 26th November 2015, 04:20 PM   #3
Nick2015 is offline Nick2015  Argentina
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Ok, but I need more information, how to calculate feedback, equivalent circuits, etc
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Old 26th November 2015, 04:29 PM   #4
nigelwright7557 is offline nigelwright7557  United Kingdom
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It depends on the toplogy you are using.
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Old 26th November 2015, 04:44 PM   #5
Nick2015 is offline Nick2015  Argentina
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Quote:
Originally Posted by nigelwright7557 View Post
It depends on the toplogy you are using.
I know...
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Old 26th November 2015, 04:49 PM   #6
Nisbeth is offline Nisbeth  Denmark
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Class D Amplifier Feedback
Are you familiar with this?

ICEpower ? Class D OEM audio amplifiers ? AES Convention Papers

/U.
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Old 26th November 2015, 05:27 PM   #7
kuribo is offline kuribo
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And in some designed, like icepower, they take feedback BOTH pre and post filter....
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Old 28th November 2015, 02:00 AM   #8
Pafi is offline Pafi  Hungary
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What do you know about feedback generally? Only a few things are special in connection with ClassD.
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Old 13th December 2015, 03:07 AM   #9
tacromx is offline tacromx
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some info here
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