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[Amps] Using door knob caps as padders/blockers

To: <amps@contesting.com>
Subject: [Amps] Using door knob caps as padders/blockers
From: 2@mail.vcnet.com (Richard)
Date: Thu, 23 May 2002 08:42:04 -0700
>> The doorknob capacitor in the Heath is within its current ratings,
>> assuming you know how to read manufacturers data. I suspect it might
>> be within the rating in the ETO also.
>
>Current rating has nothing to do with the ETO and Heath problems.
>They get too hot and change value. The power output on 160 meters
>changes after tune-up. The micas don't do this.
>
Mica dielectric caps are good for 160m and 80m tank padders, however, 
opposite to barium titanate dielectric "doorknob" caps, mica cap's 
current-carrying ability decreases as freq. increases.  Micas are at 
their best below 5MHz.  

cheerz, Phil

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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