[SI-LIST] Re: Testing method of differential intra-pair skew
- From: <art_porter@xxxxxxxxxxx>
- To: <changyifeng@xxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Thu, 1 Mar 2007 13:07:56 -0700
I was curious when you referred to "the limited bandwidth of VNA." VNAs =
are available that go up to 110 GHz.=20
Art Porter
Agilent Technologies
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] =
On Behalf Of changyifeng
Sent: Wednesday, February 28, 2007 6:43 PM
To: problem
Subject: [SI-LIST] Testing method of differential intra-pair skew
Importance: High
Hi all,
=20
I am looking for accurate testing methods(or apparatus) of differential =
intra-pair skew.
=20
Because of the resolving power of TDR and the limited bandwidth of VNA, =
there are some defects in some methods such as TDR, TDT and VNA testing.
=20
What is the best solution when the intra-pair skew is between 1ps to =
5ps.(or 10ps)
=20
Thanks.
Regards
Chang Yifeng
Email=A3=BAchangyifeng@xxxxxxxxxx
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