By Topic

The effect of conductivity losses on propagation through the helical slow-wave structure of a traveling-wave tube

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)
Jain, P.K. ; Dept. of Electron. Eng., Banaras Hindu Univ., Varanasi, India ; Basu, B.N.

A general theory has been developed to account for the material conductivity losses on the performance characteristics of a helical slow-wave structure (SWS) traveling-wave tube (TWT). The effects of helix/envelope conductivity have been studied on various propagation parameters, namely, the axial propagation constant, the interaction impedance, the attenuation constant, and the equivalent circuit resistance per unit length of the structure. While with the first two of these parameters, these effects are found to be only of the second order, they are quite significant for the remaining two. The functional dependence of the propagation parameters on the other structure parameters of importance namely, the relative permittivity of the helix supports, the envelope-to-helix separation, the helix pitch angle, and the thickness of the helix wire, has also been shown. The generalized theory developed here has been further tested by comparing the results with those obtained elsewhere for some special cases

Published in:

Electron Devices, IEEE Transactions on  (Volume:35 ,  Issue: 4 )