[SI-LIST] Re: why eye crosspoint offset
- From: Michael_Greim@xxxxxxxx
- To: qzheng@xxxxxxxxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Fri, 30 Aug 2002 11:05:02 -0500
How about asymtric drive and or slew between
rise and fall. You didn't provide the eye diagrams
but that would explain a cross point excursion.
Do you see this in simulations
MG
-----Original Message-----
From: qzheng [mailto:qzheng@xxxxxxxxxxxxxxxx]
Sent: Friday, August 30, 2002 2:35 AM
To: si-list
Subject: [SI-LIST] why eye crosspoint offset
Hello si-list,
I have observed a eye diagram which crosspoint is about at 25%-30% ,
which is a elvds interface running at 2.5g and we probe the P or N
separately .
we have use tek800 and angilent86100 have see the similar result
So what problems would cause the eye cross at %30 ?
what result would be reduced ???
thank for any advices
--
Best regards,
qzheng mailto:qzheng@xxxxxxxxxxxxxxxx
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