Gerhard, see page 8.6ff of the service manual to see that the HP3325 is not DDS based but uses a "Fractional N Synthesizer scheme" which is something completely different and is not prone to the described effects. Nevertheless it is true that the HP3325 contibutes phase noise to the measurement but I had anticipated that this was clear to everybode in the auditorium.
73s de Ulrich, DF&JB > -----Ursprungliche Nachricht----- > Von: [email protected] > [mailto:[email protected]] Im Auftrag von [email protected] > Gesendet: Dienstag, 25. Januar 2011 15:14 > An: [email protected] > Betreff: Re: [time-nuts] An (unknown?) nasty feature of the > DDS principle for time nuts applications > > > > Don't forget that your HP3325 is DDS-based, too, so it adds > its own phase error sawtooth. > > 73, Gerhard dk4xp > > > _______________________________________________ > 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. _______________________________________________ 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.
