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[AMPS] Roller Inductors vs. Bandswitches ... which is best?

To: <amps@contesting.com>
Subject: [AMPS] Roller Inductors vs. Bandswitches ... which is best?
From: 2@vc.net (measures)
Date: Wed, 7 Feb 2001 00:50:36 -0800
>
>Theo,
>   A roller inductor will give you "general coverage" as well as being
>able to fine tune each band better than with fixed taps.  However, there
>is an added circuit to adjust every time you change bands.  I like the
>way Henry does it, switching in fixed capacitors for TUNE and a roller
>inductor and variable LOAD cap.  If you plan on using relays in a tank
>circuit, you better plan on using vacuum relays.  You will also still
>need a 10M coil hanging off of the roller inductor.  The roller inductor
>probably won't have enough Q and surface area to keep the amp happy on
>10 and 12 meters.
>   As for preferences, one less adjustment when changing bands would be
>favored by me.
>
9 bands is a handful for a switch.  
.  
cheers, Mike


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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