[SI-LIST] Re: differential pairs crosstalk effect
- From: "Istvan NOVAK" <istvan.novak@xxxxxxxxxxxxxxxx>
- To: <Ho.Jeff@xxxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Thu, 25 Sep 2003 07:47:13 -0400
Jeff,
Based on the assumption that your printed-circuit board is linear, you can
use superposition to get crosstalk between differential pairs: all what you
need to know is how to get Kb/Kf between two single-ended traces. In a
simple differential pair crosstalk scenario you have four traces instead of
two, plus the return plane(s). You have four possible combinations for
differential crosstalk: both the aggressor and victim pair can be
differential mode or common mode, so you will end up with four Kb and four
Kf values as soon as you approprietly combine the crosstalk coefficients
between two single-ended traces according to the modes.
Regards,
Istvan Novak
SUN Microsystems
----- Original Message -----
From: "Ho, Jeff (¦ó¬F¾± IEC1)" <Ho.Jeff@xxxxxxxxxxxx>
To: <si-list@xxxxxxxxxxxxx>
Sent: Thursday, September 25, 2003 4:09 AM
Subject: [SI-LIST] differential pairs crosstalk effect
> Dear experts,
>
> How to estimate Kb/Kf coefficient or crosstalk effect between differential
pair to pair ? I'd appreciate if anyone can tell me if there is some freebie
that may help.
>
> Thanks,
>
> Jeff
>
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