[SI-LIST] One stitching via or more vias is better for 25Gbps application???
- From: Leeyuyun <lee.home.61@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Sat, 6 Sep 2014 19:25:48 +0800
Hi, all
I am doing 100Gbps (4x25Gps) product now
How do we put stitching vias when high speed signal change the layer?
This is a differential pair, which has P and N
Someone told me that one stitching vias is better because P and N share the
common return
Someone told me that more stitching vias is better because loop inductance
could be reduced more
I am confused which one is better?
Can anyone help me?
Thanks, Lee------------------------------------------------------------------
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