On Mon, Apr 04, 2016 at 06:07:54PM -0700, Alexander Pummer wrote: > and it is relative easy to make 10MHz from 8MHz with analog > frequency manipulation, which generates less jitter
Could you elaborate on this a little if time permits? I'm more a 'digital person' but it sounds interesting. Thanks in advance, Herbert > 73 > On 4/4/2016 4:27 PM, Attila Kinali wrote: >> On Mon, 4 Apr 2016 17:56:29 -0400 >> Bob Camp <kb...@n1k.org> wrote: >>> The variable frequency output on the uBlox (and other) GPS >>> receivers has come up many times in the past. >>> If you dig into the archives you can find quite a bit of >>> data on the (lack of) performance of the high(er) frequency >>> outputs from the various GPS modules. They all depend on >>> cycle add / drop at the frequency of their free running TCXO. >>> Regardless of the output frequency, that will put a *lot* of >>> jitter into the output. >> That's why you should put the output frequency of the ublox modules >> to an integer divisor of 24MHz. Ie 8MHz works but not 10MHz. >> Attila Kinali > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.