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3rd July 2006, 04:39 PM
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#1 |
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diyAudio Member
Join Date: Dec 2003
Location: hong Kong
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Virtual 4 pole PSU
Anyone can comment on this schematic as power supply filtering as opposed to the conventional way for ClassD amp?
http://www.lcaudio.com/index.php?page=45 Seems like a CRCRC filter in parallel. Any benefit over the traditional CRCRC? |
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4th July 2006, 01:26 PM
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#2 |
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diyAudio Member
Join Date: Jul 2004
Location: Scottish Borders
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Hi,
that first C will need a good ripple rating to survive continuous loading. A set of parallel pairs, triples or even quads might be better there. Again a low value resistor feeding each of the smoothing caps meets the same philosophy as the rest of the circuit. I would call the example shown a RCRCRC. The first R being the source resistance of the transformer and connecting cables.
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regards Andrew T. |
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