Attila, concerning the mixer this is not the best choice. Consider to buy a dedicated phase detector as shown in
http://217.34.103.131/products/PhaseDetectors.shtml which gives you higher and almost phase linear output at an increased output level. You need 7 dBm at both input ports. Best regards Ulrich > -----Ursprungliche Nachricht----- > Von: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] Im Auftrag von Attila Kinali > Gesendet: Mittwoch, 30. Mai 2012 17:00 > An: Discussion of precise time and frequency measurement > Betreff: Re: [time-nuts] is there a cheap and simple way to > measure OCXOs? > > > On Wed, 30 May 2012 07:18:12 -0700 > Jim Lux <jim...@earthlink.net> wrote: > > > Got a mixer around, so you can beat them against each other (or > > against > > your 5680)? > > Not yet. I'm currently thinking about geting an mixer from > minicircuits for the ZX05-1L[1] and a low pass filter BLP-1.9[2]. > > But what then? The frequency offset is low enough that it is > still problematic to measure with standard measurements > instruments. And the phase noise.. out of question. > > Attila Kinali > > > > [1] http://217.34.103.131/pdfs/ZX05-1L+.pdf > [2] http://217.34.103.131/pdfs/BLP-1.9+.pdf > -- > The trouble with you, Shev, is you don't say anything until > you've saved up a whole truckload of damned heavy brick > arguments and then you dump them all out and never look at > the bleeding body mangled beneath the heap > -- Tirin, The Dispossessed, U. Le Guin > > _______________________________________________ > 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.