[time-nuts] Once again about counter calibration
d0ct0r
time at patoka.org
Sat Apr 25 03:05:38 UTC 2015
Currently, 10 Mhz output connected to Linear LTC6957-3 to feed DDS and
MCU for another purpose. Of course I am able to reconfigure (physically
disconnect) it. But I am just curious if its an option to use only 1PPS
for calibration.
Regards,
V.P.
On , Bob Albert wrote:
> Why not use a T connector to patch the 10 MHz to two places at once?
>
> Bob
>
> On Friday, April 24, 2015 5:06 PM, d0ct0r <time at patoka.org> wrote:
>
> Hello,
>
> The input: HP 5386A which I would like to calibrate, Well warmed
> Tremble
> Thunderbolt (1PPS only), 10 Mhz Datum OCXO (unknown accuracy), Rigol
> 1101E Oscilloscope.
>
> The goal is to calibrate counter to read the Datum OCXO.
>
> ===========================
>
> Reading the manual for 5386A, there is simple schema for calibration:
>
> 1. Connect HP 5386A 10Mhz OUTPUT to Oscilloscope
> 2. Connect Frequency Standard to Ext. Trigger on Oscilloscope
> 3. Adjust the frequency on 5386A TCXO for minimum sideways movement of
>
> 10 Mhz signal
>
> However, my Trimble TB 10Mhz output is currently in use. I have only
> 1PPS signal available. The HP manual do not mention what exactly
> frequency needs to be on "Frequency Standard" connected to Ext.
> Trigger.
> Is there any method/option I could apply to calibrate HP counter ?
>
> Thanks !
>
> --
> WBW,
>
> V.P.
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts [1]
> and follow the instructions there.
>
>
>
> Links:
> ------
> [1] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
--
WBW,
V.P.
More information about the Time-nuts_lists.febo.com
mailing list