From: Rachild Chen ([email protected])
Date: Tue Dec 14 1999 - 17:09:22 PST
Hi,Tarek
I have downloaded your paper.It is very good.Would you give me some advice?I can't understand how to simulate the cable and the eye pattern.I wish you can
give me the Hspice source *.sp.
Regards,
Rachild
[email protected] wrote:
> I took the liberty of downloading the presentation file, converting to PDF,
> and uploading back to the server. the PDF file size is under 1.2MB (same
> name with pdf extention). Tarek, I hope you do not mind.
> enjoy,
>
> Mithkal Smadi, Ph.D. , Logic Technology & Qualification, IBM Global
> Procurement
> (512) 838--7686, Tie line 678-7686
> Fax: (512) 823-9478, Tie Line 793-9478
> MS 9224, 11400 Burnet Rd, Austin, TX 78758
>
> Study, Learn, Teach
>
> "Rick Brooks" <[email protected]>@silab.eng.sun.com on 12/14/99
> 10:35:37 AM
>
> Please respond to [email protected]
>
> Sent by: [email protected]
>
> To: [email protected]
> cc:
> Subject: Re: [SI-LIST] : W element correlation with measured data
>
> I for one would be interested in this presentation, however, this
> particular powerpoint file (fiber_channel_analysis.ppt) is completely
> unwieldy.
> The download was as expected for a 10 meg file, but I never had the
> patience to wait the estimated 30 minutes it would take to open in
> powerpoint.
> Maybe it's just my computer, or the fact that I'm using Powerpoint '97?
>
> Does anyone have a pdf version of this presentation?
>
> - Rick Brooks
> Nortel Networks
>
> At 11:50 AM 12/13/1999 -0800, you wrote:
> >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.
> >
> >Regards,
> >Dmitri Kuznetsov
> >The W-element Developer
> >
> >Re: [SI-LIST] : IMAPS Presentation on Simulating Fibre Channel Loss
> >From: Tarek Ali - WGS Board Design Technology <[email protected]>
> >
> >Hi,
> >
> > 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.
> >
> > Thanks,
> >
> > Tarek Ali
> >
> >
> >Bradley S Henson wrote:
> >>
> >> Hi Ron,
> >>
> >> I can only speak to the fact that the frequency dependent parameters are
> now
> >> included and look substantially more real. I have not stayed put in one
> job long
> >> enough to actually have my folks characterize this for me! We have some
> work
> >> going on now, but nothing as well designed as I'd specify. The results
> will
> >> likely not be sharable due to the funding source :( Again, I don't
> think anyone
> >> will miss this data much at all since it appears to me to be way too
> superficial
> >> and poorly designed from an experimental viewpoint.
> >>
> >> If I get a chance to compare 'W' elements to measured data I'll share
> with the
> >> list anything publishable. Unfortunately, I have nothing in the works
> right
> >> now...
> >>
> >> Brad Henson
> >>
> >>
> >> Ron Miller <[email protected]> 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
> this
> >> because of the
> >> problem with spice not modeling frequency dependent losses properly for
> some
> >> cable losses.
> >>
> >> The ADS simulations matched the measured results very nicely. However,
> the
> >> problem
> >> with ADS is that the simulations take a long time to run when converting
> back to
> >> the time
> >> domain, so they are a bit slow and expecially when having large spice
> circuits
> >> driving and
> >> receiving the signals.
> >>
> >> My question is, does the W element simulations closely match the
> measured
> >> results of
> >> cable and long PCB traces?
> >>
> >> Thanks
> >>
> >> Ron Miller
> >>
> >
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