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[Amps] Anode Impedance of 4-400A

To: amps@contesting.com
Subject: [Amps] Anode Impedance of 4-400A
From: Patti <pthielking@earthlink.net>
Reply-to: Patti <pthielking@earthlink.net>
Date: Tue, 15 Nov 2005 15:44:49 -0500 (GMT-05:00)
List-post: <mailto:amps@contesting.com>
Does anyone know the 'rough' load impedance of a pair of 4-400A's with 3500V on 
the anode?

In some of EIMAC literature (W6SAI AS-1 Publication), there are tables, which 
list it as 5000 Ohms.  Is this for one tube, or two?

The 1982 ARRL Handbook contains a design with a pair.  The PI network values 
listed there, equate to a load of 5000 Ohms, with a Q of about 12.


I am just trying to cross a few items off of my list.
If someone can contact me off list, I would appreciate it.

Thanks
Eric Thielking

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