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Primary-secondary coupling capacitor in SMPS
Ancient_Hacker wrote: Franc Zabkar wrote: What is the function of the primary-secondary coupling capacitor (eg http://tinyurl.com/ha435) in a SMPS? I ask this because I suspect it may be the cause of a video "hum" issue. I think it's there to provide a bit of RF grounding for the secondary circuits. No. See my reply. Graham |
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