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Re: Topband: YCCC 9 circle preamp failure test

To: Lee K7TJR <k7tjr@msn.com>
Subject: Re: Topband: YCCC 9 circle preamp failure test
From: Mike Waters <mikewate@gmail.com>
Date: Tue, 24 Sep 2019 14:17:40 -0500
List-post: <mailto:topband@contesting.com>
Can't you install a static drain resistor to keep that voltage from
building up so high?

73, Mike
www.w0btu.com

On Tue, Sep 24, 2019, 2:09 PM Lee STRAHAN <k7tjr@msn.com> wrote:

> Hi Guys,
>   Assuming your verticals have a very good insulator there is NOTHING to
> stop that input capacitor from charging to very high like kilovolt static
> voltage levels. What I don’t understand is why leakage in that capacitor
> would cause any trouble or differences if it were not even there.  All that
> would happen is the vertical would assume about 5 volts DC on the elements.
> This problem rearing its head would indicate the vertical insulators or
> something in that path must be compromised as well. Or is the 8055 possibly
> going in to oscillation with a leaky connection to the element.
>   Something does not add up here.??? What is the clue that tells you the
> capacitor has failed. Lack of performance/directivity or noise. Noise might
> indicate oscillation.
> Lee   K7TJR
> Hi-Z Antennas
>  ...
>
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