Tetrodes as Triodes

[Wilson Lamb]

No, I think that book is all on normal use.  Not sure, of course, since I 
don't have it anymore.  I used it extensively when I was a kid building big 
amps.  It's very good and can be found on Ebay sometime.  I remembered I 
have a pdf: 
http://www.g8wrb.org/data/Eimac/Care-and-Feeding-of-Power-Tetrodes.pdf

Here's a big amp, but no backup data:

http://www.w7iuv.com:80/3_x_4-400A.html

WL



----- Original Message ----- 
From: "J Forster" <jfor at QUIK.COM>
To: <BOATANCHORS at LISTS.TEMPE.GOV>
Sent: Wednesday, August 27, 2008 12:20 PM
Subject: Re: Tetrodes as Triodes


> Do you mean "The Care and Feeding of Grid Power Tubes", a book  by Eimac. 
> It's
> about 1/2" thick paperback. It used to be free, but now costs. I think 
> there are
> scans on the web.
>
> Best,
> -John
>
> ==================
>
> Paul Kraemer wrote:
>
>> Try the CQ archives list available on the net.
>> One of the articles I believe you refer to was "Care and feeding of beam
>> power tetrodes" published in CQ by either Orr or Sutherlund (best
>> recollection anyway).
>> It dealt with use of 4-400 in gg service and suggested improvements to
>> prevent excessive screen dissapation.
>> Paul K0UYA
>
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