From: Mike Peng (email@example.com)
Date: Mon Dec 13 1999 - 13:20:43 PST
I tried and it does not work. Are you sure user name and pass word are
correct? Can you
give it a try and see what happens.
----- Original Message -----
From: Dmitri Kuznetsov <firstname.lastname@example.org>
Sent: Monday, December 13, 1999 11:50 AM
Subject: Re: [SI-LIST] : W element correlation with measured data
> IMAPS presentation by Jim Foppiano has comprehensive comparison of
> measured time-domain waveforms and W-element simulations for a Gigabit
> transceiver design, including long cables and traces.
> A pointer to the presentation was posted on the SI list few months ago,
> I included a copy below. It is still available for download.
> Dmitri Kuznetsov
> The W-element Developer
> Re: [SI-LIST] : IMAPS Presentation on Simulating Fibre Channel Loss
> From: Tarek Ali - WGS Board Design Technology <Tarek.Ali@East.Sun.COM>
> If anyone needs to download the imaps presentation please access
> my freedrive account at http://www.freedrive.com.
> login: tarek
> password: tarek
> And you can download the ppt file from the imaps folder.
> Most email systems will not permit files above 5 Meg, and this
> file is 10 Meg.
> Tarek Ali
> Bradley S Henson wrote:
> > Hi Ron,
> > I can only speak to the fact that the frequency dependent parameters are
> > included and look substantially more real. I have not stayed put in one
> > enough to actually have my folks characterize this for me! We have some
> > going on now, but nothing as well designed as I'd specify. The results
> > likely not be sharable due to the funding source :( Again, I don't
> > will miss this data much at all since it appears to me to be way too
> > and poorly designed from an experimental viewpoint.
> > If I get a chance to compare 'W' elements to measured data I'll share
> > list anything publishable. Unfortunately, I have nothing in the works
> > now...
> > Brad Henson
> > Ron Miller <rmiller@Brocade.COM> on 12/10/99 11:26:13 AM
> > Hi Brad
> > I am using HP ADS a frequency domain simulator with Impulse, a real time
> > convolution
> > to the time domain with time domain models mixed in. I started using
> > because of the
> > problem with spice not modeling frequency dependent losses properly for
> > cable losses.
> > The ADS simulations matched the measured results very nicely. However,
> > problem
> > with ADS is that the simulations take a long time to run when converting
> > the time
> > domain, so they are a bit slow and expecially when having large spice
> > driving and
> > receiving the signals.
> > My question is, does the W element simulations closely match the
> > results of
> > cable and long PCB traces?
> > Thanks
> > Ron Miller
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