[SI-LIST] Re: Question regarding return current in a differential pair
- From: "Raymond Y. Chen" <chen@xxxxxxxxxxx>
- To: <mkotson@xxxxxxxxxxx>
- Date: Thu, 4 May 2006 11:26:59 -0700
Mike,
Here is an interesting presentation by Intel at the DesignCon 2006 IBIS
summit. The detailed study specifically talks about the differential system
design and the return currents in the power delivery system.
"Differential System Design and Power Delivery"
http://www.eda.org/pub/ibis/summits/feb06/pandit.pdf
Raymond Y. Chen
Sigrity, Inc.
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Michael Kotson
> Sent: Thursday, April 20, 2006 9:47 AM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Question regarding return current in a differential
> pair
>
>
> Hello Gurus,
> I have a question regarding the return current for a high speed
> differential signal. I've seen a couple of sources that state that all
> of the signal return current is handled by the other half of the
> differential pair. It seems more logical to me that there must be some
> amount of return current (not just common mode) on the reference
> plane(s) as well. What's the truth?
>
>
>
> Thanks in advance,
>
> Mike
>
>
>
> Michael Kotson
>
> Project Engineer
>
> VT Miltope
>
> 4900 Pearl East Circle Suite 106
>
> Boulder, CO 80301
>
> (303) 473-0388 x132
>
> http://www.miltope.com <http://www.miltope.com/>
>
>
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