Hi, On Wed, 2008-04-23 at 20:01 -0700, John Miles wrote: > Adding to Tom's worthy list: > > 11) Short-term phase noise; the GPS-Rb sources don't seem to be as clean as > the better GPS-OCXO packages. > > -- john, KE5FX
For the "normal" Rb that seems to be true. But the OP specified the XTAL in both chains to be compareable. What are the reasons a Rb with the phycics package diciplining a double oven XTAL, could not achive a "clean" output? (ofcause this ads to the Rb pricetag...) Concider these two setups Oncore M12T -- FRS-C -- HP10811 Oncore M12T -- HP10811 (Typical GPSDO setup) Why would the first setup have significantly less clean output? > > > > More precisely, if I had two black boxes, one containing > > > a GPS-Rb-XTAL setup and another containing GPS-XTAL, > > > what measurement would you make from outside the boxes > > > to distinguish from one another? > > > > Ah, clever question. Here's ten ways to distinguish them... > > > -- Björn _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
