Design of a Gridded Electron Gun for Traveling-Wave Tubes: an EGUN case study

被引：2

作者：

Xavier, Cesar C. ^{[1
]}

Motta, Claudio C. ^{[2
]}

机构：

[1] IPEN CNEN SP, Av Lineu Prestes 2242 Cid Univ, BR-05508000 Sao Paulo, Brazil

[2] Univ Sao Paulo, BR-05508 Sao Paulo, Brazil

来源：

2009 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE | 2009年

关键词：

TWT; EGUN; electron gun; space-charge-limited flow;

D O I：

10.1109/IVELEC.2009.5193482

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A design procedure of a 0.7 mu Perv electron gun, with grid and shadow grid, under space charge-limited flow to be used in traveling-wave-tube (TWT) is presented. The EGUN was used to determine the self-consistent electric fields for the electron beam and, as a result, it was obtained a current/perveance growth as the grid voltage increased and the cathode-to-anode spacing decreased This behavior was observed when grid voltages and cathode-to-anode spacing were varied from 0-600 V and 0.8-1.2mm, respectively.

引用

页码：153 / +

页数：2

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