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G0ANS > AM 11.06.03 19:16l 32 Lines 804 Bytes #999 (0) @ WW
BID : 7F5518G0ANS
Read: GUEST DB0FHN
Subj: Re: G0ANS > "clever clogs"
Path: DB0FHN<DB0RGB<OK0PPL<DB0RES<ON0AR<GB7WSX
Sent: 030611/1802Z @:GB7WSX.#32.GBR.EU #:27893 [Crawley] FBB $:7F5518G0ANS
From: G0ANS@GB7WSX.#32.GBR.EU
To : AM@WW
Hi Warren.
> Save the 4-400A tetrodes for the CB "leenyar", only takes 15W of grid
> drive to kick them to full KW. (;->)
I was thinking of using them so I can throttle the IC-706 back to
10/15watts O/P and get a good bit of RF O/P in return.
But as you point out they are an excellent tube for CBers only
taking a small amount of RF drive, but need neutralising.
> Try a couple of 3-500Zs with graphite anodes, 100W grounded grid requires
> no neutralization.
I built a linear 16 years ago using them Tubes and they glow.
5V @ 16A for the heater and 3.25Kv Anode.
The heater glowed white and the cherry red glow.
No need for room lighting ;-).
I found that the Graphite anodes become a bit brittle or was
I just unlucky :-(
73 John.
.
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