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25th May 2006, 06:12 PM
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diyAudio Member
Join Date: May 2006
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PSU PCB Layout questions
Hi all, I am building an outboard power supply for a DAC but I am confused with regard to the grounding scheme that should be used for the PCB of the psu.
With a simple (unreg) linear supply, is it possible to use a single solid ground plane and just attach the transformer secondary, rectifiers and caps to it, or is this the wrong approach? I have read a lot about star grounding but is this approach better for this application? I suppose it can't hurt to control where the return currents go but I am unsure exactly how big the star should be and where it is best placed. Any input would be appreciated. Thanks! |
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