RE: [SI-LIST] : HFSS Question

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From: Dan Swanson (DSWANSON@BartleyRF.com)
Date: Mon Nov 13 2000 - 09:08:52 PST


Dear Ozgur,

If you have three strips, version 5.5 or 5.6 should be
able to handle this. You need the new "modes-to-nodes"
capability for the geometry I think you want.

The software is very accurate. You should mesh at
25 GHz if that is your upper range. Solution time will
depend on how much detail (how many segments) you
include in the bondwire. Agilent HFSS has a macro for
bondwires that may get you close. Ansoft HFSS allows
you to sweep an arbitrary cross-section along an arbitrary
path. Ansoft HFSS does not have modes-to-nodes yet, coming
in version 8.0 (by December?).

Dan

Dan Swanson EMAIL: d.swanson@ieee.org
Bartley RF Systems, Inc. TEL: 978-834-4085
37 South Hunt Road FAX: 978-388-7077
Amesbury, MA 01913

> -----Original Message-----
> From: Ozgur Misman [SMTP:omism@amkor.com]
> Sent: Wednesday, November 08, 2000 8:44 PM
> To: si-list@silab.eng.sun.com
> Subject: [SI-LIST] : HFSS Question
>
>
>
> Hi All,
>
> I have been enjoying great discussions taking place in this list. Now,
> here is
> the question?
> Has anyone have experience simulating electronic package structures using
> HFSS (
> High Frequency Circuit Simulator) from Agilent Technogies.
> I am particularly interested in the accuracy and things to watch for
> accurate
> simulations. I intend to simulate a trace + bondwire combination between 1
> GHz
> and 25 GHz. This is a coupled structure with 2 neighboring trace+ bondwire
> in
> the immediate neighborhood ( parallel interconnect geometry).
>
> I would appreciate any input and comments.
> Best Regards,
> Ozgur Misman
> Sr. Engineer
> Amkor Technology
>
>
>
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