Common-Mode Suppressed Differential Transmission Lines Based on Periodic Structures

被引：0
|
作者：
Velez, P. [1 ]
de la Fuente, I. [1 ]
Bonache, J. [1 ]
Martin, F. [1 ]
机构：
[1] Univ Autonoma Barcelona, CIMITEC, Dept Engn Elect, Bellaterra 08193, Barcelona, Spain
来源：
2014 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI) | 2014年
关键词：
FILTER;
D O I：
暂无
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：
Differential (or balanced) microstrip lines with common-mode suppression in a controllable frequency band are implemented by periodically modulating the common-mode characteristic impedance of the line, keeping the differential-mode impedance unaltered. Due to the Bragg effect associated to periodicity, the common-mode is efficiently rejected in the vicinity of the Bragg frequency, whereas the structure is transparent for the differential signals. As compared to other approaches for common-mode suppression in differential lines, the periodic variation of the common-mode characteristic impedance reported here is simple and common-mode suppression does not required ground plane etching. The designed and fabricated prototype device reveals that significant common-mode rejection level and bandwidth are achieved by means of a four-cell periodic structure.
引用
收藏
页码：173 / 174
页数：2
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