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Differential pair crosstalk analysis - multiboard

Question asked by robert.white on Oct 5, 2012
Latest reply on Oct 5, 2012 by robert.white

Hi,

 

I am trying to carry out crosstalk analysis on 3 sets of differential pairs, going between three different boards.  I am currently using HSPICE models to simulate the connectors.

 

When I carry out a interactive simulation without the crosstalk option enabled, I seem to get the expected signals.

 

 

However, when I enable the crosstalk option, the results are not as expected

 

The top set of traces of the attached image are with crosstalk disabled & the bottom set with crosstalk enabled.

 

Any ideas as to why this is happening?

 

 

 

Thanks,

 

Robert

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