>Just a theoretical question: I don't ever operate anything but CW. If I
>were
>building an amplifier, which I'm currently not, what's wrong with a
>grid-driven
>class-C tetrode? I suppose that one would have to use old-fashioned tubes
>with
>robust grids like 4-400a's, of course. The advantage would be
>considerably better
>efficiency. Comments (be kind, I'm just thinking out loud)?
A few months ago, QST featured a Class E amplifier for CW use. Very
efficient, very small. So yes, for CW or any other "constant envelope"
modulation, a class C or other high efficiency amp is just fine.
73,
Jon
KE9NA
--------------------------------------------------------------------------
Jon Ogden
jono@webspun.com
www.qsl.net/ke9na
"A life lived in fear is a life half lived."
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