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Class D Switching Power Amplifiers and Power D/A conversion

PSU for ucd180st?
PSU for ucd180st?
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Old 3rd October 2012, 10:37 PM   #11
markusA is offline markusA  Sweden
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This is interesting.

Koifarm> Have you actually compared a good smps vs a linear supply with the UCD180ST or are you just assumping smps are inferior in general?
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Old 4th October 2012, 06:22 AM   #12
Koifarm is offline Koifarm  Netherlands
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I have compared smps, linearsupply with ucd180st,hg, hg+hxr and ucd400,hg,hg+hxr. The difference between the power supplies is small but still noticeable. Artifacts from the smps course that you notice a little restless hightones and some noise with high sensitivity loudspeakers. This is only with the ST and HG versions. With the HXR versions with the extra powerregulators on the opampbufferstage there is no noticeable difference between the powersupplies.
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