[SI-LIST] Re: W Model for transmission lines
- From: "Perry Qu" <perry.qu@xxxxxxxxxxx>
- To: "'richard2636@xxxxxxxxxx'" <richard2636@xxxxxxxxxx>
- Date: Tue, 25 Sep 2001 08:57:21 -0400
Hi! Richard:
I would like to bring to your attention that you should check the version
of HSPICE you are using. There are a few bugs associated with HSPICE
field solver 1999 version (inductance, losses). Make sure you are are
using the latest HSPICE with those bugs fixed, and I think it's always a
good idea to validate the model with measurement or compare with other
field solver results.
Regards
Perry
"Greim, Michael" wrote:
> Hi Richard,
>
> It is possible to create the W model from the
> trace geometries and material properties. This
> is outlined pretty well in the avanti hspice
> manual within the Using Transmission Lines chapter
> (chapter 19 I believe). You can recreate the
> structure and use the internal field solver to
> create what you need. I have included two pretty
> well commented models that you can use as a refer
> ence along with this chapter to get you moving.
> One is a single ended line and one is a coupled
> model. The later can be used as a diff pair or to
> show the effects of coupling between two single
> ended connectors.
>
> Best of Luck and happy HSpicing. Feel free to
> drop me a line if you have any other questions.
>
> best regards,
>
> Michael Greim
>
> -----Original Message-----
> From: richard hill [mailto:richard2636@xxxxxxxxxx]
> Sent: Saturday, September 22, 2001 8:52 PM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] W Model for transmission lines
>
> Hi,
>
> I am new to the use of transmission line models
> in HSPICE. I would like to create a W Model of
> a transmission line. I am wondering how to derive
> the RLGC parameters to incorporate it in my models.
> I am struggling with this since it is not easy as the
> U model where you just enter the trace geometry. If
> I know the trace geometry is there an easy way to get
> the parameters.
>
> Thanks.
>
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--
Perry Qu
Product Integrity | 600 March Road
Alcatel Canada | Ottawa, ON K2K 2E6, Canada
DID: (613) 7846720 | FAX: (613) 5993642
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