[time-nuts] Re Best Counter Setting for Adev
Mark Spencer
mspencer12345 at yahoo.ca
Tue Oct 2 23:31:09 UTC 2012
No, I didn't modify either of the 5370B's. Now that you mention it I recall seeing a reference to this mod in the past in the archives. I'm curious how much of a difference did the mod make on yours ?
Regards
Mark S
> On 10/02/2012 07:19 PM, Mark Spencer wrote:
> > On a somewhat related note over the weekend I spent a
> few hours characterizing the performance of two of my
> HP5370B's for making ADEV measurements by feeding the stop
> and start inputs with identical 10 Mhz signals from a
> HP5087a distribution amp. Not surprisingly
> they perform somewhat differently. More
> surprisingly the results vary depending on the oscillators
> used for the clock source for the HP5370B's. (I was
> under the impression the built in 10811's were more than
> adequate enough for this application.)
>
> Did you disable the wide-band 5 MHz comb-generator of the
> 5370s?
>
> I did it to mine.
>
> Cheers,
> Magnus
>
>
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