I am very curious how you arrived at
that input impedance. As you know EVERY
set of operating parameters results in a
different drive impedance and the
original question did not supply any
operating information. Are you
guessing? Or worse yet are you reading
from a data sheet under typical
operation? I'm sure that nowhere on the
3cx15000b7 data sheet is there any
information, (except the constant
current curves), for operating this tube
at the reduced power level(I hope) the
builder plans to use.
Paul
PAUL HEWITT
WD7S PRODUCTIONS
QRO HOMEBREW COMPONENTS
http://wd7s.home.att.net
-----Original Message-----
From: owner-amps@contesting.com
[mailto:owner-amps@contesting.com]On
Behalf Of Phil Clements
Sent: Monday, October 01, 2001 9:23 PM
To: KD4LYH; amps@contesting.com
Subject: Re: [AMPS] YC-156 Input
impedance
It is 25 ohms.
The data on a 3CX15000B7 is where you
look
for Data on designing a linear amp. The
YC-156
is the same tube, only with 5kw cooling
fin.
(((73)))
Phil, K5PC
Subject: [AMPS] YC-156 Input impedance
Hello List ,
Could someone give me a ballpark figure
as to the input impedance of a yc-156. I
would like to build a tuned input
circuit.Is the input impedance of the
tube and the driving point impedance to
different things or are they the same.
Any help is appreciated.
Regards to All
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