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[Amps] Help constructing filament choke for pair of 3-500Zs on 6 m

To: amps@contesting.com
Subject: [Amps] Help constructing filament choke for pair of 3-500Zs on 6 m
From: John Farber <kg6i@comcast.net>
Date: Fri, 28 Jun 2013 16:02:58 +0000 (UTC)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
I could use some info on constructing a suitable filament choke for a pair of 
3-500Zs on 6 m, my current amp project. My gut feeling is a standard choke 
design for 80-10 would not be correct due to too much inter-winding capacitance 
would effectively bypass the RF around the choke and into the filament 
transformer. Use of the standard ferrite rod as a coil form/inductance 
magnifier would also be excessive. So what are folks using in this type amp? 
Thanks, John 
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