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[AMPS] Parallel Network

To: <amps@contesting.com>
Subject: [AMPS] Parallel Network
From: 2@mail.vcnet.com (Richard)
Date: Wed, 20 Feb 2002 07:30:11 -0800

>
>Tom W8JI Said:
>The main difference between all of these is the T would have the 
>widest impedance matching range of all three choices, and the L 
>the poorest impedance matching range for a given maximum value 
>of components. 

? Add a SPST switch to an L-network and it can match 1? to 10k?.

>Both the pi and T are very restricted in matching 
>range when reasonable size components are used, and neither 
>have lower loss.
>
Agreed

>
>What are the strengths and weaknesses of a parallel L/C matching network
>used between the linear amp and say a 1/2 wave vertical/L Antenna? 
>
?  I tried a parallel L-C  tank matcher with my Tetrode with Handles 
amplifier.  The RF circulating current melted the silver solder in a 
57-series doorknob transmitting cap.  

cheers, Thomas
>Plant City, FL
>Grid Square- EL88wx
>CQ Zone 5
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>
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>
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>
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>
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>
>
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-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
end


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