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

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From: Dan Oh ([email protected])
Date: Tue Sep 12 2000 - 12:01:46 PDT


Yes, it will allow completely arbitrary descriptions of
all of rlgc parameters but it won't enforce the
causality relationship (this is why I mentioned that
"assuming you have correct models").
You can use for DC, AC, and transient.


Kyung Suk (Dan) Oh, Ph.D (B) (650) 944-7740
Sr. Signal Integrity Engineer (F) (650) 944-8080
Rambus Inc. [email protected]
2465 Latham
Mountain View, CA 94040

"Daniel, Erik S." wrote:
> 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: [email protected] 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!
> >

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