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Saratov, Russia

Danilov A.B.,JSK NPP Almaz | Il'Ina E.M.,JSK NPP Almaz | Kudryashov V.P.,JSK NPP Almaz | Polyakov I.V.,JSK NPP Almaz
Journal of Communications Technology and Electronics | Year: 2013

Mathematical expressions showing that the optimum way of suppressing the self-excitation of a backward-wave traveling-wave tube is to decrease the diameter and pitch of the slow-wave structure toward the energy output are obtained. The conditions for the values of the diameter and pitch before and after the decrease are found under which the phase velocities of the minus first spatial harmonic (backward wave) are maximally different, which ensures the maximum suppression of self-excitation, and phase velocities of the zero harmonic are optimal for obtaining the maximum efficiency. © 2013 Pleiades Publishing, Ltd. Source

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