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30th August 2011, 08:51 PM
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#1 |
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diyAudio Member
Join Date: Jun 2011
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Regulation of +/-50V SMPS for Class D?
For an SMPS for a +/-50V Class D amplifier, the +50V and -50V rails are loaded to exactly the same extent.
Therefore, in an SMPS for Class D, there would be no need to use weighted feedback regulation from both rails? ...simply regulating the one rail, would be sufficient? ..(the other rail would then follow it?) |
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31st August 2011, 06:02 AM
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#2 |
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diyAudio Member
Join Date: Sep 2005
Location: in Slovenia :)
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most of the times, there is always sense on one rail only... and coupled output inductor with the help of main trafo too, both rails are about the same, with an amp, regulation or no, doesn't matter, unless amp is limited to +/-50
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