[Amps] Grounded Grid(Screen) 4CX250B power gain

Bill, W6WRT dezrat1242 at yahoo.com
Tue Jul 21 05:42:47 PDT 2009


ORIGINAL MESSAGE:

On Mon, 20 Jul 2009 14:14:11 -0700, "Hardy Landskov" <n7rt at cox.net> wrote:

>Years ago we used to tie the screen and control grids together and ground 
>them in 4-1000's. It was very stable but took a lot more drive.
>Hardy  N7RT

REPLY:

I have never understood why people did this. If you want a triode, get a triode.
I guess if you have a tetrode lying around taking up space but you really want a
triode it makes sense, sort of, but is there any other reason?

73, Bill W6WRT


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