[SI-LIST] Re: One stitching via or more vias is better for 25Gbps application???
- From: "Lee " <leeritchey@xxxxxxxxxxxxx>
- To: <lee.home.61@xxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Sat, 6 Sep 2014 12:17:28 -0700
No stitching vias are needed. Where did this idea get started?
-----Original Message-----
From: Leeyuyun
Sent: Saturday, September 06, 2014 4:25 AM
To: si-list@xxxxxxxxxxxxx
Cc: lee.home.61@xxxxxxxxx
Subject: [SI-LIST] One stitching via or more vias is better for 25Gbps
application???
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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