Hi Flavio: Have you tried using averaging? The right most digits are from an interpolator and if you check the manual the displayed resolution is much greater than the accuracy, but if you average say 1,000 readings then those digits get much better. Also have you done the self calibration?
Have Fun, Brooke Clarke w/Java http://www.PRC68.com w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml http://www.precisionclock.com [EMAIL PROTECTED] wrote: >I have an SR620 counter that I set up with a Z3801A as an external reference. >If I put a bnc T connector at the output of the Z3801A and use two equal >length bnc cables, one to the ext. ref input on the back and the other to >channel A then do a frequency measurement, I get a mean that is about .0015 Hz >below 10,000,000.0000Hz. > >Does any know why this might be happening? I would expect it to read >10,000,000.0000 exactly give or take a couple on the last digit. > >_______________________________________________ >time-nuts mailing list >time-nuts@febo.com >https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
