[AMRadio] RE: Testing Transmitting Tubes

Jim Wilhite w5jo at brightok.net
Mon Sep 20 14:21:25 EDT 2004


Somewhere, sometime I read an application paper on testing high 
power tubes in a simple efficient manner.  For the life of me, I 
can't remember or find it right now/

It has been so long ago, that I would not even speculate on how it 
was accomplished.  However, I will continue to search, and if I find 
it, I will forward the information to you.  I am not sure if it is 
in the vein you seek, but it might be useful.

73  Jim
de W5JO
----- Original Message ----- 
From: "Merz Donald S" <merz.ds at mellon.com>
To: "'Amradio (E-mail)" <amradio at mailman.qth.net>; "'Baswaplist' 
(E-mail)" <baswaplist at foothill.net>; "'Glowbugs (E-mail)" 
<glowbugs at piobaire.mines.uidaho.edu>
Sent: Monday, September 20, 2004 12:13 PM
Subject: [AMRadio] RE: Testing Transmitting Tubes

>A point of clarification, the high-end Hickok tube testers will 
>test many transmitting tubes. 807, 1625, 811A, 6146, 801A, 809, 
>826, 829 and many others. I have a Hickok 752A and use it all the 
>time for these tubes. I hear that the Hickok 539-series also works.
> But higher power tubes are more problematic, with plate voltages 
> in the 1000-2500 volt range. For these larger tubes, I just have a 
> sense that there is a creative and easier solution here that I am 
> missing.
> 73, Don Merz, N3RHT

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