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[AMPS] 4CX1500A

To: <amps@contesting.com>
Subject: [AMPS] 4CX1500A
From: measures@vc.net (Rich Measures)
Date: Sat, 24 Jul 1999 04:50:11 -0700


>
>Hello Ulli and all,
>
>The 4CX1500A was designed, as Rich intimates, basically as a Class C
>amplifier.

?  I did not intend to intimate that the 4CX1500A was designed for Class 
C.  The dissipative ability of the 4CX1500A is relatively small compared 
to its emissive ability.    Class C simply puts less burden on the anode 
cooler.  Examination of the constant current curves reveals that the 
4CX1500A has rather good linearity -  provided that no grid current flows 
and loading is adjusted for the recommended amount of screen current in 
Class AB1 service. .    ...

>..........  If you want to clean it up a bit, run it in GG, Class AB1 as 
Collins did with their
>30S-1 amplifier.  
>........                  
?  The 30S-1 uses either a 4CX1000A or a 4CX1500B.   The 4CX1500A is Way 
different animal.  

-  cheers, Marv


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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