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Re: [TowerTalk] Circuit Board Question

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Circuit Board Question
From: Steve Hunt <steve@karinya.net>
Date: Sat, 02 Aug 2014 21:10:07 +0100
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Rick,

I already corrected this misunderstanding once: for a 2:1 SWR the maximum voltage will be 1.414 times the matched voltage, not double! The minimum voltage will be 0.707 times the matched voltage.

If V is the matched line voltage, Vmax=1.414xV and Vmin=V/1.414 giving Vmax/Vmin=2:1

Steve G3TXQ







On 02/08/2014 19:00, Richard (Rick) Karlquist wrote:

For 2:1 VSWR, 2X is the worst case, which you would want to use for design. In practice, it could vary from half to twice the matched
value for a short section of line.


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