[SI-LIST] Routing differential lines as single ended traces ?
- From: Low Jerry <wenghigh@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 26 Sep 2011 09:57:58 +0800
Hi,
I recently came across a validation platform where the LVDS differential
lines are routed as single ended traces traces instead of tightly coupled
differential pairs. The motivation I found was so that they could use each
of the pairs as single ended traces when needed as well. When I probed
deeper it seems like the person who proposed this scheme has left. So I
would like to seek help here on some clarification
- Will a scheme like this impact the performance of the differential pair
? Since I understand that differential routing is more immune to noise.
- What are the considerations/feasiblity studies that need to be done
before implementing a scheme like this ?
- Since this is a validation platform what measures can be taken ensure
that the performance seen are similar to a production platform if the
production platform is routed in differential.
Thanks in advance for the feedbacks. Have a great day.
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