[SI-LIST] Re: Estimate ISI with S parameters?
- From: "Ray Anderson" <ray.anderson@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Fri, 13 May 2005 10:42:26 -0700
John-
If you aren't familiar with the StatEye program check out the following
URL:
http://www.stateye.org/
A little high-level background from their web page:
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StatEye is a methodology for the rapid and accurate analysis of
communication channels.
The StatEye models ISI and jitter (DJ and RJ) across a communications
link, in which the user has selected or parameterised models for each
transmitter, receiver and channel function. StatEye models the ESD, pad,
and package parasitics, cross talk, linear emphasis schemes and
non-linear functions such as equalisers and diode type coupling
components. DFE and some other functions can be optimised automatically.
The channel can be described by any of the following means:
# S-parameter measurements of the electrical characteristics of the
channel.
# ABCD parameters which StatEye converts to S-parameters
# Amplitude Frequency Response, for linear approximations of optical
channels
# Mode Power Factor data, for non-linear modelling of optical channels.
------------------------------------------------------------------
-Ray
Raymond Anderson
Senior Signal Integrity Staff Engineer
Product Technology Department
Advanced Package R&D
Xilinx Inc
-----Original Message-----
At 10:25 AM 5/13/2005 +0800, =3D?big5?B?Sm9obiBMaW4gKKpMtMK31yk=3D?=3D =
wrote:
>Dear all SI experts,
>
>Can some ones explain how to relate ISI (inter-symbol interference) to
S=20
>parameters?
>
>What can be observed from S -parameter for differential 4 parts=20
>simulation? For example, crosstalk, attenuation, reflection,....etc.
>
>Thanks,
>John
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