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[Amps] config cathode-drive Amp with a Tetrode?

To: <amps@contesting.com>
Subject: [Amps] config cathode-drive Amp with a Tetrode?
From: 2@mail.vcnet.com (Richard)
Date: Fri, 15 Mar 2002 09:41:36 -0800
>How should a proper schematic configuration of a cathode-driven Amp 
>be done with a Tetrode ?
>
>I've seen a couple of variations:
>
>1) Both grid, Screen grounded
>(guess its a common way of solving it....
> Also described in the book: 
>Power Vacuum Tubes Handbook, 2nd ed)
>
>2) Grid to ground , Screen to DC-screen -voltage
>(a few russian schematics)
>
>3) Grid to Cathode, Screen grounded
>(from AG6K's excellent site)
>
?  This is only for Class AB1/'super cathode' drive.  Power gain is only 
c. 5x but superb linearity.  

>Which one is the 'proper' way to do it?
>
>Does it depend on what kind of tube being used?
>
>SM0EJR /Joe 
>
>
>
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-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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