[SI-LIST] UnSubscribe
- From: Vijay S CHACHRA <vijay.chachra@xxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 9 Feb 2006 13:21:18 +0530
---- Original message ----
>Date: Tue, 5 Jul 2005 15:22:49 -0700
>From: "Robert Sefton" <rsefton@xxxxxxxxxxxxx>
>Subject: [SI-LIST] Re: Q on Trace Width and Jitter for Diff
Pairs
>To: <Charles.Grasso@xxxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
>
>Hi Charles -
>
>Nobody has really addressed the jitter question. It doesn't
seem to me that
>jitter is directly related to signal loss, regardless of
whether the loss
>comes from skin effect or the dielectric. But DJ is directly
affected by
>reflections caused by impedance variations, correct?
Widening traces
>decreases the impedance variation caused by imperfect
etching, which could
>decrease DJ. That's my best guess anyway.
>
>Regards,
>Bob Sefton
>
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-
bounce@xxxxxxxxxxxxx] On
>Behalf Of Grasso, Charles
>Sent: Tuesday, July 05, 2005 11:39 AM
>To: 'si-list@xxxxxxxxxxxxx'
>Subject: [SI-LIST] Q on Trace Width and Jitter for Diff Pairs
>
>Greetings!
>
>I am stuck on understanding a contradiction - perhaps
someone could
>"unstick" me?
>It is understood that (at high frequencies) the dielectric
losses in a pwb
>dominates the losses of a transmission line. However, I have
read in various
>publications that increasing the trace widths improves the
jitter
>performance of a high speed serial link.
>I would have thought that as a trace width increases the
effects of the
>dielectrics would be exacerbated.
>
>How does increasing the width of a trace improve the DJ of
the link?
>
>Best Regards
>Charles Grasso
>Senior Compliance Engineer
>Echostar Communications Corp.
>Tel: 303-706-5467
>Fax: 303-799-6222
>Cell: 303-204-2974
>Pager/Short Message: 3032042974@xxxxxxxx
<mailto:3032042974@xxxxxxxx>
>Email: charles.grasso@xxxxxxxxxxxx;
<mailto:charles.grasso@xxxxxxxxxxxx; >
>Email Alternate: chasgrasso@xxxxxxxx
<mailto:chasgrasso@xxxxxxxx>
>
>
>
>
>-------------------------------------------------------------
-----
>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 FAQ wiki page is located at:
> http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
>List technical documents are available at:
> http://www.si-list.org
>
>List archives are viewable at:
> //www.freelists.org/archives/si-list
>or at our remote archives:
> http://groups.yahoo.com/group/si-list/messages
>Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>-------------------------------------------------------------
-----
>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 FAQ wiki page is located at:
> http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
>List technical documents are available at:
> http://www.si-list.org
>
>List archives are viewable at:
> //www.freelists.org/archives/si-list
>or at our remote archives:
> http://groups.yahoo.com/group/si-list/messages
>Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
------------------------------------------------------------------
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 FAQ wiki page is located at:
http://si-list.org/wiki/wiki.pl?Si-List_FAQ
List technical documents are available at:
http://www.si-list.org
List archives are viewable at:
//www.freelists.org/archives/si-list
or at our remote archives:
http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
