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Class D Switching Power Amplifiers and Power D/A conversion

RF interferences?
RF interferences?
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Old 5th August 2005, 05:50 PM   #11
HDTVman is offline HDTVman  United States
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Join Date: Aug 2001
Location: Chicago area
Jocko's advice is very good here. A FM receiver is not a very good device to test for RFI because it's not very sensitive to the noise that would come the amp you are designing. A TV would be a much better choice. Try looking at several channels also. Try a Short Wave Radio. That would be a good detector for the kind of noise that would be generated in your amp.

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Old 5th August 2005, 05:56 PM   #12
Lars Clausen is offline Lars Clausen  Denmark
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Join Date: Oct 2003
Location: The Lab
Most commercially available Class D amplifiers are CE or UL approved. (Which goes also for the two models mentioned earlier in this thread). That should give you some assurance, that interference level is low enough to not cause any interference problems, as long the directions from the manufacturer are observed.
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