[SI-LIST] Jitter insertion bandwidth for stressed-eye testing...
- From: "Tom Waschura" <tom_waschura@xxxxxxxxxxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 14 Oct 2004 18:09:12 -0700
All,
In some of the leading-edge standards for jitter testing, there is a
significant disconnect between random jitter bandwidths to be inserted into
stressed eyes and what equipment exists for doing this. Specifically,
standards discuss adding noise with bandwidths as high as the datarate/2
which would translate to 3-5GHz for these standards.
I'm curious what people are doing when faced with this given that commercial
test equipment does not offer this and home-brew mechanisms for adding RJ
tend to implement random duty-cycle-distortion rather than random jitter--or
is that good enough?
Tom
Tom Waschura,
SyntheSys Research, Inc.
650-364-1853
tom_waschura@xxxxxxxxxxxxxxxxxxxxx
www.bertscope.com
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