Hi Either the output data is with the counter set to time mode (and it’s in 100’s of ns) or you have it set to frequency mode and have a very stable system.
Bob > On May 2, 2015, at 9:53 PM, d0ct0r <t...@patoka.org> wrote: > > > Hello, > > > I would like to create some charts for ADEV for following setup: > > HP5386A counter connected to External REF. (OCXO). The input of counter > connected to my DDS VFO. The frequency on VFO is 2853000 Hz. > > Here is what I got from counter via GPIB: > > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082409E-7 > S +3.505082408E-7 > S +3.505082409E-7 > S +3.505082408E-7 > S +3.505082408E-7 > S +3.505082408E-7 > > I converted it to following form: > > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082408000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > 0.0000003505082409000000 > > Then I tried to use ADEV by tvb (long life to Tom!). See attached file 1b.bmp > > And I tried to create the charts for the collected data. See attached file > 1a.bmp. > > But it seems I am doing something wrong. Any advises will be greatly > appreciated. Thanks ! > > > -- > WBW, > > V.P.<1a.png><1b.png>_______________________________________________ > 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.