[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
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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