From: Shawn Carpenter (email@example.com)
Date: Mon Feb 07 2000 - 20:16:55 PST
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:
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.
Sonnet Software, Inc.
> -----Original Message-----
> From: firstname.lastname@example.org
> [mailto:email@example.com]On Behalf Of Mark Randol
> Sent: Friday, February 04, 2000 7:39 PM
> To: firstname.lastname@example.org
> 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
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