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[Amps] Re: KW Linear for FT-817

To: <amps@contesting.com>
Subject: [Amps] Re: KW Linear for FT-817
From: wlfuqu00@uky.edu (Bill L. Fuqua)
Date: Wed, 17 Jul 2002 20:59:28 -0400
a passive input network could be used if the input resistance was 450 oh.ms and 
a 
1:3 turns ratio(1:9 impedance ratio)  transformer used. This would require less 
than 4 watts 

73
Bill wa4lav
-----Original Message-----
From: DF3KV@aol.com
To: sm0aom@telia.com, Amps@contesting.com
To: <amps@contesting.com>
Date: Wed, 17 Jul 2002 17:47:28 EDT 
Subject: Re: [Amps] Re: KW Linear for FT-817


This could probably also be done using 4 x 4CX250 or similar tubes in 
parallel.




The ex-DDR  KN-1E amplifier using 1 4CX250 as driver 
and 4x 2CX250 in the final would do it but is very big and noisy...

Peter



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