on 4/3/01 2:48 PM, Phil Clements at philk5pc@tyler.net wrote:
> A good tuned input circuit is necessary. The drive impedance
> is c. 110 ohms, as I recall. I quit using glass tubes 5 years ago....
> life is much more simple now....the ceramic tubes are much easier
> to tame, and fewer bad habits.
Phil's absolutely correct. Put your input circuits as close as possible to
the tube. He's approximately correct on the impedance. The input circuits
were tricky at least with my installation. A good match will help a lot
with this tube.
73,
Jon
NA9D
-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)
Member: ARRL, AMSAT, DXCC, NRA
http://www.qsl.net/ke9na
"A life lived in fear is a life half lived."
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