[time-nuts] What is the best counter for a Time Nuts?
SAIDJACK at aol.com
SAIDJACK at aol.com
Thu Oct 9 16:15:12 UTC 2008
Hi guys,
thanks for the hint, this explains it.
read the manual, and so it seems I cannot use time arming mode. How do you
guys get around this? Do A to B measurements on the two channels?
thanks,
Said
In a message dated 10/9/2008 08:49:59 Pacific Daylight Time,
magnus at rubidium.dyndns.org writes:
>> Hi Tom, Ulrich,
>>
>> can't seem to get 12 digits/s out of my 53132A in frequency mode when
>> doing
>> measurement offset of -10MHz. I only get 11 digits/s for some reason.
>> Have to
>> go to 10s + gate time to get better resolution.
>
> Correct. When you get "close" to an exact 10 MHz input then
> the counter drops down into a "reduced resolution" mode and
> you lose a digit (regardless of gate time). If you need, you can
> query this with the :DIAG:MEAS:PRES? command. Details are
> in the back of the 53132A manual.
"Additional Considerations for Digits and Time Arming Modes" (at page 3-13
in my version of the manual).
Cheers,
Magnus
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