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Re: Topband: Gamma match success

To: Tree <tree@kkn.net>, 160 <topband@contesting.com>
Subject: Re: Topband: Gamma match success
From: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Mon, 15 Oct 2018 13:18:20 -0700
List-post: <mailto:topband@contesting.com>


On 10/15/2018 10:43 AM, Tree wrote:

I replaced the variable cap with a home made cap using RG8.  I had one

Sometimes, capacitors made from coax are lossy.  I modeled your
coaxial capacitor using Simsmith (very easy to do) and the Q turns out to be 340, if I did it correctly. So the coaxial capacitor gets a clean
bill of health and probably doesn't have anything to do with
your broad bandwidth.

Rick N6RK
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