Tubes (was OT: Televisions)
Roy J. Tellason, Sr.
rtellason at verizon.net
Tue Mar 9 20:20:55 CST 2010
On Tuesday 16 February 2010 08:37:43 pm William Donzelli wrote:
> >Emic still rules the high power RF world, as there is not a semiconductor
> > substitution for a TV / Radio transmitter final output yet.
> No - modern high power transmitters use redundant hot-swappable
> amplifier modules in quantity. A few manuafacturers may still make
> tube based designs, but they are getting long in the tooth.
> Hell, even Eimac is pretty much gone.
The last time I saw some of those big jugs was last October, while visiting a
friend (somewhat older than I am, in his late sixties or early seventies),
and who knew them well. He had an assortment of them around, and was
talking to me about a bunch of them being destined for some sort of a display
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James
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