[time-nuts] using Fury GPSDO with Rb

Brian Kirby kirbybq at bellsouth.net
Mon Apr 21 21:07:36 EDT 2008

For question for TomVB; is the shading in the raw plots the noise floor 
of the instrumentation ?


SAIDJACK at aol.com wrote:
> Hello Ulrich,
> This is so true. See Tom's phase noise tests of a  Russian Rubidium prototype 
> disciplined by a Fury GPSDO. Lot's of times  there is not much space to put a 
> good OCXO inside the Rb's case.
> BTW: using the Fury's 1PPS input, that unit can be used as a cleanup  loop 
> for dirty Rb's that have 1PPS outputs.
> _http://www.leapsecond.com/pages/fury/phase.htm_ 
> (http://www.leapsecond.com/pages/fury/phase.htm) 
> I just fired up my FTS1200-100 tonight for testing, it's dead on 5MHz. Does  
> anyone have a good circuit idea to go from 5MHz to 10MHz? I was thinking of  
> something similar to the HP5370B input circuit - basically a tuned amplifier  
> locking onto the 10MHz overtone.
> bye,
> Said
> In a message dated 4/19/2008 06:33:21 Pacific Daylight Time,  
> df6jb at ulrich-bangert.de writes:
> temperature related frequency changes in a typical flat. Given the  fact
> that most rbs's stability at short observation times is worse that  that
> of good xtal oscillators this makes the FTS1200 the best choice in  my
> GPSDO despite of owning an LPRO101 and an FRK-L.
> Best  regards
> Ulrich
> **************Need a new ride? Check out the largest site for U.S. used car 
> listings at AOL Autos.      
> (http://autos.aol.com/used?NCID=aolcmp00300000002851)
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.

More information about the time-nuts mailing list