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[AMPS] 1:3 150W wideband RF transformer

To: <amps@contesting.com>
Subject: [AMPS] 1:3 150W wideband RF transformer
From: 2@mail.vcnet.com (rich)
Date: Thu, 31 Jan 2002 09:44:24 -0800


>
>
>On Wed, 30 Jan 2002 14:06:09 -0800 rich <2@mail.vcnet.com> writes:
>>rich said:
>
><snip>
>
>>Great news.  I was never able to build a (trifilar) 50? to 450?  150w
>>transformer that went from 160 - 10m.  The latest rumour is that 
>> twisting the wires works better.
>
>Hi Rich,
>   Did you ever try a (ferrite loaded) coaxial line transformer for that spot?
>
No

>   Three sections of coax (150 ohm or as close to it as you can find)
>with the input ends connected in parallel and the outputs connected in
>series.
>
This sounds interesting, Marv.  Is a ferrite tube used?

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


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