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Re: Re: MONSTER 100kW VTTC - Building now!
Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net>
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Monday, February 23, 2004 6:29 AM
Subject: Re: MONSTER 100kW VTTC - Building now!
> Original poster: Boost <boost-at-newmail.ru>
> Hello Tesla list
> Ος, 20.02.2004 22:37:12 you wrote:
> Tl> Original poster: "James" <mustang3-at-cox-dot-net>
> Tl> Hi List,
> Tl> Oh, Lord that will be neat. I can't wait to see some pictures of
> that in
> Tl> operation. My VTTC runs at 12KW input and it looks grand. The flaming
> Tl> James
> Hehe ! =))) Yep, sure, you're using two 5868 tubes with this specs:
> Fmax = 100 MHz
> Va max = 4000 V
> Pa max= 450 W
> Vg max = -500 V
> Pg max = 50 W
> Ig max = 180 mA
> Ik max = 700 mA
> And run them at 12 kW ! =)))))))
> Don't Make Me Laugh!
Well.... figure he's running hard core class C bias so he can get 70-80%
efficiency.. Tube's rated at 450W plate diss, 900 for two.. at 12kW and 80%,
he'd be dissipating 2400W.. a mere 250% overload. The beauty of tubes is
that they can actually take overload without catastrophically failing...
Short life, sure, envelope suck ins, sure, etc.