Re: [Amps] Super Cathode Driven Tetrodes

["Fuqua, William" <wlfuqu00@uky.edu>]

Sorry for typo error. Low mu.

There should be no reason for this configuration be any less stable that the 
usual high-mu triode grounded grid

amplifier, if fact should be more stable due to lower gain.

73

Bill wa4lav



________________________________
From: Carl <km1h@jeremy.qozzy.com>
Sent: Sunday, October 28, 2018 8:37 PM
To: Fuqua, William; Jim Thomson; amps@contesting.com
Subject: Re: [Amps] Super Cathode Driven Tetrodes


----- Original Message -----
From: Fuqua, William
To: Carl ; Jim Thomson ; amps@contesting.com

Ok,
    Now that this discussion has gone on for some time, and everyone has had
a opportunity to read various articles, here is the question.
Can anyone give me a reason why a cathode driven tetrode with the control
grid connected directly to
the cathode be unstable. The screen grid is connected directly to ground.
Lot mu grounded grid configuration.


73
Bill wa4lav

I believe I already answered that days ago....poor
construction...layout....shielding.....component choices...etc.
Hammy Hambone at his best.

Carl


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