[time-nuts] Designing and building an OCXO and GPSDO

John Miles jmiles at pop.net
Thu Aug 14 22:29:48 EDT 2008

> Most synthesizers regardless of technology still end up with broadband
> floors in the -150 dBc/Hz neighborhood, so now you're back to circa -120
> dBc/Hz inband... which is what the PSA-series spec sheets show.

I didn't phrase that very well; I meant to say that the broadband floor of
your phase detector/dividers/other components is what keeps you from being
able to drive the final YTO loop at -160 dBc/Hz even though the reference
may be even cleaner than that.

-- john, KE5FX

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