English

应用科学学报 ›› 2006, Vol. 24 ›› Issue (5): 453-457.

• 论文 • 上一篇    下一篇

非均匀传输线的宽带3分贝耦合器设计

冯西尧, 肖高标, 毛军发   

  1. 上海交通大学电子工程系, 上海 200030
  • 收稿日期:2005-07-12 修回日期:2005-12-13 出版日期:2006-09-30 发布日期:2006-09-30
  • 通信作者: 肖高标,博士,副教授,研究方向:微波滤波器,电磁散射,微波材料;毛军发,教授,博导,研究方向:高速集成电路、SOC、微波器件、纳米互连,E-mail:JFMao@sjtu.edu.cn E-mail:JFMao@sjtu.edu.cn

Design of Broadband Couplers with Non-uniform Coupled Transmission Lines

FENG Xi-yao, XIAO Gao-biao, MAO Jun-fa   

  1. Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030, China
  • Received:2005-07-12 Revised:2005-12-13 Online:2006-09-30 Published:2006-09-30

PDF

133

被引次数

7

摘要： 利用非均匀耦合传输线的奇、偶模S-参数特性,提出了一种宽带3 dB耦合器的设计方法.用级连ABCD矩阵对所设计出的耦合器的分布参数特性进行仿真,结果表明非均匀耦合传输线可以有效适用于宽带方向性耦合器设计.

关键词: 定向耦合器, 非均匀传输线, S-参数, 宽带, 叉指型耦合器

Abstract: For conventional uniform transmission-line directional couplers and interdigital couplers, it is difficult to realize fractional bandwidth greater than 50%.By using the S-parameter characteristics of even and odd modes of nonuniformly coupled transmission lines, this paper presents a new approach for designing 3dB couplers with high directivity and broadband.Cascaded ABCD matrixes are employed to calculate the S-parameters of the couplers.Simulation results show that coupled non-uniform transmission lines are suitable for designing broadband directional coupler.

Key words: interdigital couplers, S-parameters, broadband, directional couplers, non-uniform transmission lines

中图分类号: