Hi Team,
i am new to Design.In My design, there is low speed Differential pair and High speed Differential pair available. Even i maintained 2W spacing between Diff pair to Diff pair. Some section ground trace running in between high speed differential pair to avoid the cross talk. low speed signal there is not need of ground plane for Diff pair.
the requirement are,
1.cross talk able to meet to provide proper spacing between differential pair 2W spacing .
2.EMI able to avoid ground trace between each differential pair.
So what is the major role for ground plane in high speed differential signal ?. or does differential pair need ground plane ? because one signal is reference for another signal .can you explain short answer for this query.( i red so many document. little bit confusion. ).

can any one explain is it possible to meet the requirement with out ground plane ? With out ground plane is not able to control the cross talk , EMI issue and other.
i am new to Design.In My design, there is low speed Differential pair and High speed Differential pair available. Even i maintained 2W spacing between Diff pair to Diff pair. Some section ground trace running in between high speed differential pair to avoid the cross talk. low speed signal there is not need of ground plane for Diff pair.
the requirement are,
1.cross talk able to meet to provide proper spacing between differential pair 2W spacing .
2.EMI able to avoid ground trace between each differential pair.
So what is the major role for ground plane in high speed differential signal ?. or does differential pair need ground plane ? because one signal is reference for another signal .can you explain short answer for this query.( i red so many document. little bit confusion. ).
can any one explain is it possible to meet the requirement with out ground plane ? With out ground plane is not able to control the cross talk , EMI issue and other.
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