Dual Anode Electron Gun for Ka-Band Helix TWT

被引：2
|
作者：
Choudhury, A. R. [1 ]
Sharma, R. K. [1 ]
Sharma, S. M. [1 ]
Arya, S. [1 ]
Bera, A. [1 ]
Srivastava, V. [1 ]
机构：
[1] Cent Elect Engn Res Inst, MWT Div, Pilani 333031, Rajasthan, India
来源：
INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN MICROWAVE THEORY AND APPLICATIONS, PROCEEDINGS | 2008年
关键词：
Dual anode electron gun; Helix space TWT; PPM focusing; High voltage analysis; sensitivity analysis;
D O I：
10.1109/AMTA.2008.4763174
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
A dual anode convergent electron gun of perveance 0.14 mu p has beep designed for Ka-Band helix Traveling Wave Tube (TWT) which would ultimately have application in satellite communications. Gun has been designed using codes EGUN, TRAK & OMNITRAK Pierce type electron gun with isolated beam forming electrode (BFE) & M-Type dispenser cathode with 3.1mm button diameter has been opted. It consists of two isolated anodes to meet the requirement of long life & high reliability. Initially, in cathode selection, life considerations are ignored, the gun is designed with available cathode. Periodic Permanent (PPM) focusing has been designed Using Sm(2)Co(17) high intensity magnet in order to reduce the size & weight of the overall TWT. Confined flow beam focusing has been adopted. A compact small size electron gun assembly has been designed using ceramic insulator & suitable support structure. High voltage analysis has been carried out using code ESTAT. This paper presents the approach for overall design of gun assembly with dual anode.
引用
收藏
页码：192 / 195
页数：4
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