[SI-LIST] Re: S-parameter simulation in Time Domain
- From: "Gutzmann, Michael" <michael.gutzmann@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 20 Nov 2001 10:53:29 -0800
Avant! guys,
is this feature planned to be included in the upcoming HSPICE releases?
If yes, what's the estimated release date?
Thanks,
Michael Gutzmann
Intel Corp.
-----Original Message-----
From: Larry Smith [mailto:ldsmith@xxxxxxxxxxxxxxxxxx]
Sent: Friday, November 16, 2001 8:56 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] S-parameter simulation in Time Domain
A similar question was asked on SI-list several weeks ago but did not
get a clear answer. Does anybody have a good way to simulate
S-parameters in the time domain?
We often have silicon driver and receiver models that are composed of
proprietary (BSIM or otherwise) transistor by transistor nonlinear
elements best handled by HSpice, Smart Spice or similar software. We
want to know the openness of an eye diagram at the far end of a
transmission path. The transmission path involves two electronic
packages, printed circuit boards with vias and a connector between
boards. We may have S-parameter models for some of the components and
lumped element models for others. The characteristics of nearly all of
the components are a function of frequency.
The response to the question several weeks ago involved methods for
obtaining S-parameter models. We can get S-parameter models form
measurement, extraction from materials and geometries, the guy down the
hall or the company across the street. The question is, "what do we do
with the models after we get them?" We want to know the openness of
the eye diagram at 1 GB/sec or more. We want to know the response of a
receiver built from nonlinear circuit elements to that eye diagram.
Does anybody have a good success story in this area? Does anybody have
software that claims to do this?
Grading scale:
A - Has model to hardware correlation for eye diagram.
B - Can simulate but does not exactly match lab waveforms.
C - Above, but not with proprietary spice models.
D - Simulator has capability but nobody has ever tried it.
F - Software available in next release.
regards,
Larry Smith
Sun Microsytems
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