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Re: [TowerTalk] Transmission Line theory

To: Paul Baldock <>,
Subject: Re: [TowerTalk] Transmission Line theory
From: Jim Lux <>
Reply-to: Jim Lux <>
Date: Tue, 1 Jul 2008 13:23:21 -0700 (GMT-07:00)
List-post: <">>

-----Original Message-----
>From: Paul Baldock <>
>Sent: Jul 1, 2008 12:49 PM
>Subject: Re: [TowerTalk] Transmission Line theory
>At 12:34 PM 7/1/2008, Rick Karlquist wrote:
>>If you have a line with 20:1 ratio of conductor spacing to
>Most calculators use an approximation like W/h<<1. However my 
>conductors are 2cm square, 3cm center to center, so stripline 
>calculators that I've seen don't work for this situation.

That's a fairly sophisticated problem, because you need to deal with the 
material properties (so you can get skin effect right, etc.)


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