RE: [SI-LIST] : does PEEC assume TEM mode ?

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From: Chan, Michael (Michael.Chan@compaq.com)
Date: Mon Nov 22 1999 - 06:34:08 PST


The 2-D transmission line parameters can be calculated in both
TEM and PEEC depends on how you want to select. During the analysis
mode it will ask you whether you want to compute the conductors losses.
If you do not want to compute conductor losses, it will use the default
TEM mode. If you want to compute conductor losses, then it will use the
PEEC approaches for inductance and I believe the capacitance is still
based on boundary elements. The manual does not organizes well and it
is very confused.

Regards,
Michael Chan

-----Original Message-----
From: Chris Cheng [mailto:hycheng@3pardata.com]
Sent: Friday, November 19, 1999 6:22 PM
To: si-list@silab.eng.sun.com
Subject: RE: [SI-LIST] : does PEEC assume TEM mode ?

no it doesn't. it only says the 2d transmission line parameters
are calculated in tem mode.
chris

> -----Original Message-----
> From: owner-si-list@silab.eng.sun.com
> [mailto:owner-si-list@silab.eng.sun.com]On Behalf Of Scott McMorrow
> Sent: Friday, November 19, 1999 3:35 PM
> To: si-list@silab.eng.sun.com
> Subject: Re: [SI-LIST] : does PEEC assume TEM mode ?
>
>
> Chris,
>
> >From the manual:
>
> "PARASITIC PARAMETERS employs a boundary integral equation method
> based on Green's functions for the capacitance calculation."
>
> "PARASITIC PARAMETERS provides both of the TEM mode inductance and
> the frequency-dependent inductance ... for a 2-D transmission
> line system."
>
> In reading the manual, PNC uses a filaments approach to develop the
> Partial Equivalent circuit for traces and a cells approach for planes.
>
> "PARASITIC PARAMETERS automatically generates a non-uniform
> filament mesh across the conductor cross-section by varying the size
> of the filament cross-section."
>
> I hope this helps.
>
>
> regards,
>
> scott
>
>
>
> Chris Cheng wrote:
>
> > dear friends :
> > one academic question:
> > does PEEC (partial element equivalent circuit) method
> > uses the TEM mode assumption to generate its model ?
> > i was under the impression it does not but i might be
> > wrong.
> > chris
> >
> > **** To unsubscribe from si-list: send e-mail to
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>
> --
> Scott McMorrow
> Principal Engineer
> SiQual, Signal Quality Engineering
> 18735 SW Boones Ferry Road
> Tualatin, OR 97062-3090
> (503) 885-1231
> http://www.siqual.com
>
>

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