FreeLists / si-list / [SI-LIST] Re: Shielding clock traces on PCB's

["Lee Ritchey" <leeritchey@xxxxxxxxxxxxx>]

Too True!


> [Original Message]
> From: Andrew Ingraham <a.ingraham@xxxxxxxx>
> To: si-list <si-list@xxxxxxxxxxxxx>
> Date: 1/7/2007 3:03:13 PM
> Subject: [SI-LIST] Re: Shielding clock traces on PCB's
>
> > Guard traces ar great ways to make accidental band pass filters.  Why
> > would anyone advise using them to control cross talk?
>
> Because the word hasn't gotten around to most electrical engineers that it
> doesn't work like they think it should.  So it continues to be done, and
> many engineers wouldn't think there is anything wrong with it.
>
> On first glance it seems like a reasonable thing to do, akin to putting a
> shield around a wire, turning it into coax.  Reality is another matter.
>
> Andy
>
>
> ------------------------------------------------------------------
> 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:
> http://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:     
>               http://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:
http://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:     
                http://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