RE: [SI-LIST] : Coplanar Transmission Line

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From: Shawn Carpenter (scarp@sonnetusa.com)
Date: Mon Feb 07 2000 - 20:16:55 PST


Mark, Ray:

I've found another nice transmission line calculator HP AppCAD, that's also
free. It's made by HP, but not the EEsof division.

I downloaded it from:
  http://www.hp.woodshot.com

It has models for both conductor backed and non-conductor-backed CPW, as
well as a fairly large assortment of other transmission line types.

It also has an active circuit calculator. Worth checking out.

--Shawn
  scarp@sonnetusa.com
  Sonnet Software, Inc.
  http://www.sonnetusa.com

> -----Original Message-----
> From: owner-si-list@silab.eng.sun.com
> [mailto:owner-si-list@silab.eng.sun.com]On Behalf Of Mark Randol
> Sent: Friday, February 04, 2000 7:39 PM
> To: si-list@silab.eng.sun.com
> Subject: Re: [SI-LIST] : Coplanar Transmission Line
>
>
> Ray Anderson wrote:
> >
> > Coplanar waveguides are handled by:
> >
> > HP's (Agilent) MDS and ADS in the LineCalc submodule
> >
> > Polar's CITS25 program
> > (see http://www.polar.co.uk/)
> >
> > Apsimtech's RLGC
> > (http://www.apsimtech.com/)
> >
> > Webb Laboratories' Transmission Line Design Suite
> > (http://www.webblabs.com/)
> >
> > Ansoft EZ2D
> > (http://www.ansoft.com)
> >
> >
> > I'm sure there are others, but these come to mind at the moment.
>
> The best "free" transmission line calculator I've found is from
> Applied Wave Research (http://www.appwave.com/). It has given
> reasonable results. While it doesn't cover quite the range of
> geometries of some of the more sophisticated <not free> software,
> it handles CPW, CPWG. slotline, stripline and microstrip.
>
> --
> Mark Randol, RF Measurements Engineer
> Motorola SPS, Inc.
> M/S EL381
> 2100 E. Elliot Road
> Tempe, AZ 85284
> (480)413-8052 Voice
> (480)413-3455 FAX
> M.Randol@motorola.com
>
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