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Re: Max anode voltage?

Original poster: olivaw@xxxxxxxxx
On Fri, 19 May 2006 10:29:31 -0600, you wrote:

>Probably have to go a bit farther back to find acorn tubes.  I think
>that acorns were used in aircraft transponders at 1GHz.

They were used in a primordial radio altimeter that worked at the
astoundingly high frequency of 450 MHz (erm... Mc/Sec).

And some sort of lighthouse tube was used at around 1Ghz for an
"Information Friend or Foe" transponder.