Cart (Loading....) | Create Account
Close category search window
 

Use of the Kompfner dip effect in multistage gyro-TWTs of high average power

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Nusinovich, G.S. ; Inst. for Res. in Electron. & Appl. Phys., Maryland Univ., College Park, MD, USA ; Walter, M.T.

Very often, in order to realize a high-gain operation of gyro-traveling-wave tubes (gyro-TWTs), the tubes are designed as multistage amplifiers, in which each section is short enough and thus, stable. In such tubes, the wave amplified in the input and intermediate stages should be absorbed at their ends by matching loads, which often limits the average power capability of these devices. This limitation can be avoided if these stages operate in the regime of the wave absorption by an electron beam. A long time ago, such a regime in conventional TWTs driven by linear electron beams was studied by Kompfner (1950), so the effect of wave attenuation in the gain curve is known as the Kompfner dip. In the present paper, we consider a two-stage (gyro-)TWT in which the first section operates in the Kompfner dip regime. The small-signal theory is developed, which allows one to analyze the tradeoffs in the small-signal gain and bandwidth associated with this kind of operation. The large-signal simulations indicate that such a two-stage gyro-TWT can operate with the orbital efficiency of 40% (total efficiency of 15%) and the gain over 40 dB.

Published in:

Plasma Science, IEEE Transactions on  (Volume:30 ,  Issue: 3 )

Date of Publication:

Jun 2002

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.