Design of balanced power divider with wide common-mode suppression band

被引：0

作者：

Lee, Ching-Her ^{[1
]}

Hsu, Chung-I G. ^{[2
]}

Chen, Wen-Xuan ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Grad Inst Commun Engn, 1 Jin De Rd, Changhua 500, Taiwan

[2] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, 123 Univ Rd,Sect 3, Douliou 640, Yunlin, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2018年 / 60卷 / 01期

关键词：

balanced power divider; common-mode suppression; differential-mode performance; isolation; DIVISION;

D O I：

10.1002/mop.30945

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, a balanced power divider (PD) is designed and implemented in a three-layer configuration. It consists of two tightly stacked microstrip Wilkinson PDs with a shared ground plane in the middle layer. With both dumbbell-shaped and partially interdigital open-ended slots embedded in the common ground, the designed balanced PD can yield a high common-mode (CM) suppression level over a very wide frequency band without degrading the differential-mode (DM) performance. A close examination of this design reveals that good CM suppression mainly comes from the blocking of the ground-plane current path by the open-ended slots in the ground plane. In addition, the proposed balanced PD also exhibits a very wide CM isolation band. A prototype of the proposed balanced PD is realized. The measured fractional frequency bandwidth for CM suppression is 68% and for CM isolation is 93%.

引用

页码：207 / 212

页数：6

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