> This discussion would not be complete without mention of
> tubes which actually take advantage of the transit time
> effect - TWT's (Traveling Wave Tubes) and Klystrons. There
> may be others too. I haven't kept up with recent technology
> in this area.
Add to the list the Klystrode (r) or Inductive Output Tube
(IOT) and the Diacrode. There may be other devices that
combine multiple technologies - like the multi stage depressed
collector IOT (MSDC IOT) - but it's been a few years since I
last worked with the high power UHF devices.
73,
... Joe, W4TV
> -----Original Message-----
> From: amps-bounces@contesting.com
> [mailto:amps-bounces@contesting.com] On Behalf Of Bill, W6WRT
> Sent: Thursday, August 27, 2009 3:51 PM
> To: amps@contesting.com
> Subject: Re: [Amps] Tube gain vs frequency
>
>
> This discussion would not be complete without mention of
> tubes which actually take advantage of the transit time
> effect - TWT's (Traveling Wave Tubes) and Klystrons. There
> may be others too. I haven't kept up with recent technology
> in this area.
>
> They are so different from the tubes most of us use that they
> are a subject unto themselves. Google will find all you want to know.
>
> 73, Bill W6WRT
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