OUTPUT ANTENNA DESIGN FOR 5.8 GHz MAGNETRON BY USING REFLECTED GROUP DELAY

被引：2
|
作者：
Ding, S. [1 ]
Wang, B. -Z. [1 ]
Zhou, H. -C. [1 ]
Zang, R. [1 ]
Ge, G. -D. [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2012年 / 26卷 / 5-6期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
COAXIAL WAVE-GUIDE;
D O I：
10.1080/09205071.2012.710810
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：
In this paper, the application of reflected group delay in the design of the output antenna for a 5.8GHz magnetron is presented. For a radial direction output magnetron, the external quality factor (Q(e)) is mainly determined by the output antenna. In order to facilitate the output antenna design, we firstly calculate the cold cavity spectrum and the electric field distribution in the anode cavity by simulation. Then the relation between reflected group delay and external quality factor has been derived through equivalent circuit of the magnetron. Moreover, the required reflected group delay is obtained according to the derivation. And the optimum position of output antenna connecting with vane is determined. The sample magnetron has 49.2% output efficiency in hot cavity test.
引用
收藏
页码：817 / 826
页数：10
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