Transparent traveling wave tubes with electron-beam modulation at the cathode

被引：1

作者：

Kalinin, Yu. A. ^{[1
]}

Fokin, A. S. ^{[1
]}

Starodubov, A. V. ^{[1
]}

机构：

[1] Saratov NG Chernyshevskii State Univ, Saratov 410012, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2014年 / 40卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

Technical Physic Letter; Kalinin; Beam Modulate; Electron Efficiency; Travel Wave Tube;

D O I：

10.1134/S1063785014090223

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We consider the results of an experimental investigation of a laboratory prototype of a microwave amplifier based on a transparent traveling wave tube (TWT) with the input signal applied either to a beam-modulating near-cathode grid or (traditional scheme) to the input helix of a slow-wave system. Dependences of the amplifier gain and efficiency on the input-power level are presented. In the TWT scheme with a modulating grid, the electron efficiency reaches 50-56% at a gain of 12-13 dB.

引用

页码：791 / 792

页数：2

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