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Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

RE: Let me ask you something....

Hi,

> If the measurement set up invites so much 60Hz, 120Hz, 180Hz, 240Hz, . > . . . . noise so that it can cause such a high jitter from a
> non-defective well-designed hi-fi DAC,
>
> it is impossible to have this graph: THD at 0 dBFS (2.2V RMS),
> 22kHz measurement bandwidth.

Please, based on your understanding of the R&S ULP analyser and the specific way the above measurement (note it is THD NOT THD & N) is operated, provide an adequate explanation as to why mains related hum would show up in the test you reference.


Thor

At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to intolerable pain. Really, what more could we need?


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