Yes, first try the Rb with their internal timebases. Got the PRS10? Nice Rb reference: I had one (brand new) last month for only one week...
On Thu, Mar 22, 2012 at 1:11 AM, jmfranke <[email protected]> wrote: > First, try counting the Rd reference frequency output. If one reads right > you are halfway to solving the problem. > > John WA4WDL > > -------------------------------------------------- > From: "Jerry Mulchin" <[email protected]> > Sent: Wednesday, March 21, 2012 8:05 PM > To: <[email protected]> > Subject: [time-nuts] Frequency Counter Errors > > > I have a question for the collective group. >> >> I have a HP 5372A and a HP 5328A frequency counters. Both counters use >> the same >> PRS-10 Rubidium frequency standard driving a 6 channel reference >> distribution amplifier >> to each counters reference input port. The problem is this; >> >> When I measure the same frequency on both counters, (done one at a time) >> the frequency >> is generally off by about 300 Hz or so between the counters. Now I would >> expect an error >> of +/- 1 digit, but 300Hz seems a bit strange to me. I can not find the >> problem and the >> difference exists even if I use the internal timebases of each counter, >> give or take the timebase errors. >> The frequency is always at least >200 to 300Hz off between the two >> counters and I don't know >> which one to believe. You know the "man with 2 clocks" problem. >> >> Anyone have any idea what may be causing this? >> >> Thanks >> Jerry >> >> >> _______________________________________________ >> 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. > _______________________________________________ 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.
