[time-nuts] Low noise power supplies?

[Poul-Henning Kamp]

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In message <BAY162-W38A3AC22812AC79A0FBFC6DF1D0 at phx.gbl>, Tom Knox writes:
>
>Starting with a hp supply this finesse regulator will really clean
>up the output. http://www.wenzel.com/documents/finesse.html

I've played with that, and it can do impressive things.

However, to big caveats:

1.  It's very temperature sensitive so on average you only get tens
    of dB, not hundred dB damping.

2.  Noise which comes in from the load gets amplified.


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