The omega match for my shunt fed tower uses two 300 uF roughly 3000-volt
variables I bought from Henry radio a few years ago. I think
occasionally about running more than 100 watts on 160, but the cost of
the vacuum variables is a real issue. February QST has an article on
using mineral oil immersion to increase the voltage capability of
variables in a 600M amplifier. The article does not include any hi-pot
data, but indicates that the maximum capacitance went up a lot.
Opinions?
--
73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.
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