Amps
[Top] [All Lists]

Re: [Amps] QEX Innovative Tube Linear?

To: Tom W8JI <w8ji@w8ji.com>, craxd1@verizon.net, amps@contesting.com
Subject: Re: [Amps] QEX Innovative Tube Linear?
From: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Reply-to: g3rzp@g3rzp.wanadoo.co.uk
Date: Sat, 8 Jul 2006 15:16:43 +0200 (CEST)
List-post: <mailto:amps@contesting.com>
>From memory, sweep tubes are rated for several kV of plate volts during the 
>pulse, so breakdown (flashover) isn't a problem per se. . This suggests that 
>provided you don't exceed the dissipation, you can run a high plate volts and 
>have a good swing above the knee of the curve, and arguably, better linearity.
Exceeding the plate dissipation is another matter altogether, and is I suspect, 
done at the expense of tube  life if not linearity. It is amazing what you can 
get away with tubes though: remember the early radars that really hammered 
tubed not designed for pulse service.
73
Peter G3RZP
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>