Impedance-matching technique for a latching ferrite variable polarizer in a circular waveguide

被引：0
|
作者：
Che, WQ [1 ]
Yung, EKN
Sha, K
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
[2] Nanjing Univ Sci & Technol, Dept Elect Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2000年 / 27卷 / 05期
关键词：
Bandwidth - Electric transformers - Electromagnetic wave polarization - Ferrites - Impedance matching (electric);
D O I：
10.1002/1098-2760(20001205)27:53.0.CO;2-7
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 study is conducted on an impedance-matching technique for the latching ferrite variable polarizer in a circular cylindrical waveguide. Using the mode-matching method, a formula is developed for the calculation of the design parameters of a lambda /4 impedance-matching transformer. Excellent agreement is observed between the analytical result and measurement. Furthermore, an improved impedance-matching technique is introduced to increase the bandwidth from 4.06 to 14.5%. This provides qualitative guidance for the design of analogous devices. (C) 2000 John Wiley & Sons, Inc.
引用
收藏
页码：366 / 368
页数：3
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