[SI-LIST] Re: Random Jitter Value varies with Data pattern
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 28 Jan 2013 00:45:32 -0800
Truly random jitter is independent of the data pattern. Do you see this
jitter going straight from a pattern generator into a signal analyzer,
or only when your DUT is in the path?
Steve
On 1/27/2013 10:57 PM, vinod ah wrote:
> Hi All,
> On a 5Gb/s USB3 serial link, i see that there is variation in Random jitter
> value when i use CP0 pattern (PRBS 11 pattern) when compared to CP1 pattern
> (Clock pattern 2.5GHz).
>
> I also see a variation in deterministic jitter, but that is more
> understandable as ISI effects are dominant with PRBS pattern and it is
> pretty much constant with clock pattern.
>
> Is Random jitter varying with data pattern is expected?. The difference in
> readings is 2ps (Rj with PRBS is 5ps mean, while Rj with clock pattern is
> 3ps mean)
>
> Note: The measurements are not dual-dirac model based measurements.
>
> Regards
> Vinod A H
>
>
> ------------------------------------------------------------------
> To unsubscribe from si-list:
> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
> or to administer your membership from a web page, go to:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
> List forum is accessible at:
> http://tech.groups.yahoo.com/group/si-list
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
>
> Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
>
--
Steve Weir
IPBLOX, LLC
1580 Grand Point Way
MS 34689
Reno, NV 89523-9998
www.ipblox.com
(775) 299-4236 Business
(866) 675-4630 Toll-free
(707) 780-1951 Fax
All contents Copyright (c)2012 IPBLOX, LLC. All Rights Reserved.
This e-mail may contain confidential material.
If you are not the intended recipient, please destroy all records
and notify the sender.
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List forum is accessible at:
http://tech.groups.yahoo.com/group/si-list
List archives are viewable at:
//www.freelists.org/archives/si-list
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
