Re: [SI-LIST] : lossy transmission line model tool question

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From: DORIN OPREA (dorin.oprea@alcatel.com)
Date: Tue Mar 06 2001 - 05:43:13 PST


Hi Dennis,

You may also look at FDTD_SPICE from Applied Simulation Technology (408-436
9078). A paper was presented at DesignCon 2001. I would appreciate any feedback
of your decision.

Good luck,
Dorin

"Jian X. Zheng" wrote:

> Hi, Dennis:
>
> I will suggest you to take a look at our MDSPICE 2.X mixed domain SPICE
> simulator. The MDSPICE 2.X has an advanced s-parameter SPICE simulation
> engine. It can perform high accuracy time domain simulation on ultra long
> lossy transmission lines. The good features are: (1) It accepts any
> frequency dependent and lossy models. (2) It normally guarantees the
> causality condition. It also offers eye pattern display and non-linear
> modeling on the MDSPICE 2.1 to be released. Thanks!
>
> Best regards,
>
> -----------------------------------------------------------------------
> Jian-X. Zheng, Ph.D
> Zeland Software, Inc., 48890 Milmont Drive, 105D, Fremont, CA 94538, U.S.A.
> Tel: 510-623-7162, Fax: 510-623-7135, Web: http://www.zeland.com
> ---------------------------------------------------------------------
> Special Announcements: (1) IE3D 8.0 is released. The IE3D 8.0 has
> implementation of boxed Green's functions, periodic Green's functions, and
> advanced iterative matrix solvers for large structures. Using the AIMS
> matrix solvers, you will be able to solve large RF IC and antenna array
> problems. An example of an 8 by 8 antenna array takes less than 100 MB RAM
> to solve on the AIMS III matrix solver. (2) The s-parameter SPICE simulator
> MDSPICE 2.1 is going to be released. The MDSPICE 2.1 has a robust time
> domain engine accepting s-parameters from full wave simulators. Its time
> domain simulation normally can guarantee the casuality conditions for lossy
> transmission lines longer than 1 foot. The MDSPICE 2.1 also features wide
> band SPICE model extraction, eye pattern display and non-linear modeling for
> both digital and analog circuits. (3) The FIDELITY 3.0 is formally released.
> It has many good features to enhance 3D modeling in wireless communications.
> ----------------------------------------------------------------------------
> --
>
> > -----Original Message-----
> > From: owner-si-list@silab.eng.sun.com
> > [mailto:owner-si-list@silab.eng.sun.com]On Behalf Of Goodrich, Dennis
> > Sent: Monday, March 05, 2001 3:10 PM
> > To: si-list@silab.eng.sun.com
> > Cc: Goodrich, Dennis
> > Subject: [SI-LIST] : lossy transmission line model tool question
> >
> >
> > I am just beginning to look at software tools that can generate lossy line
> > models for HSPICE that consider the stack-up geometries (3D) and multiple
> > materials used in high speed board technology.
> >
> > I'd appreciate suggestions from the group regarding accuracy (to measured
> > values),
> > and ease of use.
> >
> > Just what are folks using to generate their lossy line models for higher
> > frequencies
> > (1Ghz and above) using copper.
> >
> > I'll need to be able to FIND the software.. so I need brand name
> > as well as
> > company name
> > (or web site).
> >
> > thanks
> >
> > Dennis Goodrich
> > Engr Program Manager
> > TYCO Printed Circuits Group
> > Round Rock Division
> > 700 Jeffery Way
> > Round Rock, TX 78664
> > 512.671.5203
> > dgoodrich@tycoelectronics.com
> >
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