RE: [SI-LIST] : HSPICE W-element and skin effect

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From: Daniel, Erik S. (Daniel.Erik@mayo.edu)
Date: Tue Sep 12 2000 - 10:31:06 PDT


Dan-

> I am a former developer for W element in Hspice (just left
> Avant! a few weeks ago).
> I would like to introduce the new feature of W element which
> allows you to model any kinds of frequency-dependent behaviors.
> Starting from 2000.4 (beta version is already available now),
> W element will support a tabular model to describe rlgc parameters.
> By using this feature, some of problems originated from the
> analytic expression used in rlgc model can be completely removed
> (of course, assuming you have correct models of transmission lines).

Does this new feature allow completely arbitrary specification of R,L,C,
and G, or does it enforce causality relationships? Can it be used in
transient simulations as well as AC?

                                        - Erik

==================================================================
Erik Daniel, Ph.D. Mayo Foundation
Voice: (507) 284-1634 Guggenheim 1011B
Fax: (507) 284-9171 200 First Street SW
E-mail: daniel.erik@mayo.edu Rochester, MN 55905
==================================================================

 
> And this beta version Hspice should be the most stable version in
> terms of W element. There are also couple of minor improvements also.
> Have a fun!
>
> ____________________________________________________
> Kyung Suk (Dan) Oh, Ph.D (B) (650) 944-7740
> Sr. Signal Integrity Engineer (F) (650) 944-8080
> Rambus Inc. doh@rambus.com
> 2465 Latham http://www.rambus.com
> Mountain View, CA 94040
>
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