Didier Juges wrote: > Here are my $0.02... > > Magnus Danielson wrote: > >> From: Dr Bruce Griffiths <[EMAIL PROTECTED]> >> Subject: Re: [time-nuts] How to measure Allan Deviation? >> Date: Tue, 24 Oct 2006 10:52:21 +1300 >> Message-ID: <[EMAIL PROTECTED]> >> >> >> >>> Tom >>> >>> >> Hi Bruce, >> >> >> >>> In comparing 2 oscillators do you mean >>> >>> 1) Connecting one oscillator to the FREQ STD input at the rear of the >>> 5370A, selecting the external timebase and connecting the other >>> oscillator to the Front panel FREQ/PERIOD input and then selecting >>> frequency measurement which in effect gives the frequency ratio of the 2 >>> oscillators? >>> >>> >> I have advocated this approach, but nobody seemed to care. >> >> >> > HP says in the 5316B manual (probably in other manuals, but that's where > I saw it first), that it is best to compare 2 oscillators by plugging > them in START and STOP respectively, but NOT to use one as a standard, > because averaging works better (or simply, works) when the internal > standard is async with either START or STOP signals. > >> Cheers, >> Magnus >> >> > > Didier > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > This may also be helpful in mitigating the effect of some of the differential linearity errors of the HP5370A
Bruce _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
