sandyk Posted August 29, 2018 Share Posted August 29, 2018 28 minutes ago, Ralf11 said: < 1 mV ripple or.. < 3 mV ripple; no crosstalk between "channels"; no RF/EMI... what other things would we want to know about a PS? If they are using a single transformer there will always be a degree of interaction between components powered from different secondary windings, compared with separate transformers, even when the windings are used well within their current limits, possibly due to capacitive coupling to mains earth ? I found this when using a transformer with separate secondary windings for powering 2 USB devices. The performance was degraded compared with using 2 separate transformers and Linear PSUs. How a Digital Audio file sounds, or a Digital Video file looks, is governed to a large extent by the Power Supply area. All that Identical Checksums gives is the possibility of REGENERATING the file to close to that of the original file. PROFILE UPDATED 13-11-2020 Link to comment
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