[SI-LIST] Re: Return Current of High-speed transmission line.
- From: John Wilson <jmwilson@xxxxxxxxxxxx>
- To: binchuan2000@xxxxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Tue, 04 Nov 2003 14:21:52 -0500
The return path is the path of minimum energy. As frequency increases
"inductive effects" cause the return path to crowd beneath the signal
line.
john wilson
ªü¥È wrote:
> Dear all experts,
>
> I have a question that why the return current will return back
> underneath the trace line? I realize the equation of this by using
> mathematical formula, but not for its Electromagnetic phenomenon?
>
> Because I've studied from some articles of return Current or
> Current Loop...etc, but all those topic said that " It'll reinforce a
> electromagnetic field to make return current as close as possible to
> the trace of forward signal. I'm confused that why electromagnetic
> field make forward and return current closer, but not further ?
>
> Whether I can suppose it as a Differential Signal Piar similarly
> of its electromagnetic field?
>
> Regards,
>
> Binchuan.Wang
>
> ------------------------------------------------------------------
> 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 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 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:
