[time-nuts] Picotest U6200A & Timelab

Bob Camp lists at rtty.us
Sat Feb 11 13:07:59 UTC 2012


Hi

If I hit the Acquire / U6200A entry in the Timelab menu will it buy one for me?

How noisy is it? Put another way, it has 40 ps resolution, how close can you get to that in terms of accuracy?

Looks like a cool toy, thanks for sharing.

Bob 



On Feb 11, 2012, at 7:52 AM, "Ulrich Bangert" <df6jb at ulrich-bangert.de> wrote:

> Gentlemen,
> 
> a few weeks ago a link to a new counter named "U6200A" was to be found here
> in the group. I considered the technical properties of this counter (which
> is sold under the brands "Array" or "Picotest") that interesting at its
> price that i ordered one immediately. 
> 
> I did not buy it directly from China but instead from a German importer
> called OSCOMP. They were able to deliver me the counter with a built in
> GPIB-interface. I had not been able to allocate a seller in China with this
> option. 
> 
> I am currently testing the counter and as far everything looks pretty good.
> You can get an impression of the counter's capabilities by the direct
> comparison to the industry standard here:
> 
> http://www.stantronic.de/b/Comparison-U6200A.pdf
> 
> At its price and the 40 ps single shot resolution it may be a good idea to
> buy such a counter new for time nuts purposes instead of hunting for used
> 5370s and SR620s. 
> 
> Since the manual claims that the counter features a "HP53132 compatible SCPI
> command languge" I tried to run John Miles's Timelab with the counter which
> failed in the beginning. Due to John's immediate reaction on my inquiry
> concerning the U6200a Timelab now has its own hardware entry for te U6200A
> in the "Acquire" menu and my tests show that Timelab runs like charm with
> the U6200A.
> 
> Note that Timelab checks the device id with a *IDN? and the current version
> recognizes the Picotest brand answer to this. This may be different with the
> Array brand id. 
> 
> Best regards 
> 
> Ulrich Bangert
> www.ulrich-bangert.de
> Ortholzer Weg 1
> 27243 Gross Ippener 
> Germany
> 
> 
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