Hi all Does anyone have any experience of locking a USB external soundcard to a GPSDO 10 MHz reference. I am interested in advice on any good quality soundcards that can be readily locked to either 10 MHz or if necessary to some other frequency that we can derive from a GPSDO source.

. > It would not de-correlate over the 10 mm run length, not at low > offsets where it counts. > > The -110 was only meant for "Don't care about multiplied white noise > floor", not in the sense of a spec but in the sense of "guaranteed > harmless".

. > > Minimum  is -90 dBc @ 50 Hz, or let's say @100 Hz @ 10 GHz. > that would equal -110 dBc@1 GHz,   or -130 dBc @100 MHz, BTDT. That's much easier. Use one of the single chip synthesizers - they can probably do just what you want, with adequate performance. > > The question was really only about a _simple_ multiplier chain.

> My fear is that one or both of the 10 MHz references is not being > corrected to the GPS signal, but I thought I would ask > here to see if this drift might be expected. Probably others have done > this experiment, so I think I'll get a good > answer.

Marisol's performing credits include American Bard Theater's *The People*, Convergences Theater Collective's *Babel*, Spellbound Theater's *Wink *and *The Last Coin*.

From: "Poul-Henning Kamp" Subject: Re: [time-nuts] PRS-10 findings Date: Wed, 30 May 2007 14:35:37 +0000 Message-ID: <92477.1180535737@critter.freebsd.dk> > In message <465D89BD.8000106@xtra.co.nz>, Dr Bruce Griffiths writes: > > >> The HP5370 has a rather heavyhanded piece of electronics that > >> eliminate this effect with a jitter based

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