[SI-LIST] Re: si-list Digest V4 #261
- From: Ivan Ndip <ndip@xxxxxxxxxxxxxxxxx>
- To: kpalusa@xxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Thu, 01 Jul 2004 11:18:08 +0200
Hi,
you have to first develop an EM model of the via, together with the
planes in HFSS. Use feeding lines to connect the via to the wave ports.
Assign materials to the model, define the ports and set up the
convergence criteria (e.g., maximum delta_S). At the end of the field
simulation, remove the effects of the feeding lines through
de-embedding. You can now use the resulting S-parameters to extract the
electrical parameters (e.g., inductance, capacitance,...) of the via.
One way of doing this is to use a circuit simulator (e.g., Serenade from
Ansoft, ADS,...). Based on the extracted S-parameters, develop and
equivalent circuit model of the via and through optimization, these
electrical parameters can then be obtained.
Best regards,
Ivan Ndip
kusuma palusa wrote:
>Hello,
>
>Can somebody please suggest how to extract inductance of a through via from
>HFSS
>
>Thanks
>
>
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--
***************************************************************************
Dipl.-Ing. Ivan N. Ndip
Research Engineer
Fraunhofer Institut für Zuverlässigkeit und Mikrointegration (FhG-IZM)
Dept.: Advanced System Engineering (ASE)
Gustav-Meyer-Allee 25
D-13355 Berlin
Germany
Phone: +49 (0) 30 46403 141
Fax: +49 (0) 30 46403 158
E-mail: ndip@xxxxxxxxxxxxxxxxx | Web: http://www.izm.fraunhofer.de
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