[SI-LIST] : RE:

Dima Smolyansky (dima@tdasystems.com)
Sat, 21 Nov 1998 11:10:14 -0800

Unfortunately, none of this changes the basic fact: TDR will not be able =
to model T-junction networks. You pretty much have to make assumptions =
or physically parse such structures.

Thanks,

-Dima
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
Dima Smolyansky
TDA Systems, Inc.
7465 SW Elmwood St.
Portland, OR 97223
(503) 977-3629
(503) 245-5684 (fax)
dima@tdasystems.com
http://www.tdasystems.com

The Interconnect Modeling Company(tm)

-----Original Message-----
From: Jay Diepenbrock [SMTP:jaydiep@us.ibm.com]
Sent: Friday, November 20, 1998 6:26 AM
To: si-list@silab.Eng.Sun.COM
Subject:=09

---------------------- Forwarded by Jay Diepenbrock/Raleigh/IBM on =
11/20/98
09:24 AM ---------------------------

owner-si-list@silab.Eng.Sun.COM on 11/20/98 12:06:59 AM
Please respond to owner-si-list@silab.Eng.Sun.COM
To: cttai@ccmail.arima.com.tw, WeberChuang@via.com.tw, =
cmartin@cabletron.com,
scottmc@teleport.com
cc: Si-list@silab.Eng.Sun.COM
Subject: Re: RE : RE : [SI-LIST] : RE: Models & EDA Vendors

John Lin wrote:

>>Weber,
>>FYI, Tektronics has a modeling instrument called IPA510. It generates =
a
>>Z-profile from TDR measument. Based on the profile, it creates a spice =
model
and
>>tests the model with Pspice to prove the accuracy.
Tektronix no longer markets the IPA510, but they are working on an =
arrangement
with the IBIS
(EIA-656) committee to make it available without charge if the IBIS =
group will
maintain it.
It's not entirely settled yet, but is in legal review. Post the =
question on
the IBIS reflector (ibis@eia.org) for more details.

>>Rgds,

>>JOHNLIN

>>CAE Manager at Arima Computer Corp.

Jay Diepenbrock

Senior Engineer
Interconnect Technology & Qualification
IBM Global Procurement, B8UA/061, RTP, NC
Phone: 919-543-8804 Fax: 919-543-3642
Email: jaydiep@us.ibm.com

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