[Amps] Tetrodes in GG Configuration

[Rich]

When I brought up a question the other day about the 4-1000a and GG amp
is because I have one new tube and some others with just a few hours on
them and it will be my first amp so I also want to use the KISS method
as I don’t have an electrical background.

Rich / KD0ZZ

To: Amps at contesting.com
Subject: Re: [Amps] Tetrodes in GG Configuration

What I can,t figure is why one would want to run a tetrode in G-G where
a triode is the very ticket for it? To me, if one wanted to run a
tetrode, they would want to run it the way it was designed to run in
the first place. This being knowing from the get go that screen and
bias was a must. To me, those extra prower supplies aren't that big of
a hassle and neither is the expense. Believe you me, I don't have boo-
koos of money either. To me, if I wanted a simple G-G amp, I'd use
nothing but a triode. Of course that's just my opinion on the subject,
others may have one that I dont see.

Will

On Wed, 19 Jan 2005 12:36:56 -0500, Bob Maser <bmaser at tampabay.rr.com>
wrote:

Being a proponent of the KISS philosophy, IMHO, it would seem
appropriate to decide how much output one wants, how much drive power
is available, and then pick the tube(s) that will satisfy the
requirement.  A 4-1000A requires too much drive unless you're running
really high voltage whereas a 3-1000Z will do the job with less
components and only needs ±3500VDC to drive it up the and beyond the
legal limit using only 100W of drive.  If the RF deck is built with
heavy duty components, one could always do a tube swap to bigger and
better with few changes.  A deck that would accommodate a 3CX3000A7
down the road comes to mind.

Remember, too much power is just enough!

Bob  W6TR _______________________________________________
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