[time-nuts] Low noise power supplies?

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Jan 31 17:03:29 EST 2013


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In message <C7259FFFCD3E42C2815B939BA386A0A8 at pc52>, "Tom Van Baak" writes:

>We have rigorous ways to compare and report oscillator performance;
>both as numbers and as plots. Is there something equivalent for
>power supplies?

Phase Noise measured on a 0Hz carrier ?

If you want the dynamic behaviour, it gets much more tricky, because
then you have both the spectrum of the load-changes and the
supply-changes, resulting in a spectrum output from the PSU.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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