[time-nuts] Picotest U6200A & Timelab

[Ulrich Bangert]

Bob,

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

Perhaps John is willing to add an "Buy item for me" menu entry?

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

Good question! That is what I am currently trying to evaluate. But for that
purpose I wanted to have TimeLab up and running first.

Best regards
Ulrich 

> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Bob Camp
> Gesendet: Samstag, 11. Februar 2012 14:08
> An: Discussion of precise time and frequency measurement
> Betreff: Re: [time-nuts] Picotest U6200A & Timelab
> 
> 
> 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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