[SI-LIST] Re: S-parameter to Circuit Model extraction?
- From: "Ing. Giancarlo Guida" <gianguida@xxxxxxxx>
- To: imsong91@xxxxxxxxx
- Date: Mon, 20 Feb 2006 09:51:30 +0100
HI Inmyung Song,
if I well understood your question
you are asking how to create a circuit that could match
a set of S-parameter you measured.
The problem is not trivial and depending on the bandwidth of your
measurement could also very difficult to be accomplished manually
especially because
you should preserve the causality of your equivalent circuit.
there are on the market several commercial tools that could do the
job in minutes... you may want to consider to evaluate one of them.
I am using for this task CST Microwave Studio and
I find it very useful for this task.
Hope this helps
Giancarlo
델타소년 ha scritto:
> P{margin-top:2px;margin-bottom:2px;}
> Hello,
>
>
>
> I measured some PCB structures and Wafers by VNA to get the S-parameters.
>
> As I know, there are many extraction algorithm in this world, right?
>
> But I know only one technique which is EO's paper in 1992.
>
> If anyone knows other methodologies, please reply me.
>
>
>
> By the way, to compare the measured S-parameter with the simulated
> S-parameter from circuit model,
>
> I think that I have to do spice simulation. But I am not sure the spice can
> extract S-parameter from
>
> frequency dependant circuit models.
>
> And which circuit model is more accurate, for example PI-Model, T-Model,
> Telegraph Equation.?
>
>
>
> Thank for your reading.
>
>
>
> Inmyung Song.
>
>
>
> 살려라! 당신의 스타일! 삼성DMB폰 32,000원[1] [IMG]
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