Contiguous-Channel Dual-Band Balanced Diplexer

被引：19
作者：
Gomez-Garcia, Roberto [1 ]
Munoz-Ferreras, Jose-Maria [1 ]
Yang, Li [1 ]
Psychogiou, Dimitra [2 ]
机构：
[1] Univ Alcala, Polytech Sch, Dept Signal Theory & Commun, Alcala De Henares 28871, Spain
[2] Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2019年 / 29卷 / 05期
基金：
美国国家科学基金会;
关键词：
Balanced diplexer; balanced filter; common-mode suppression; differential-mode diplexer; differential-mode filter; dual-band diplexer; microstrip diplexer; planar diplexer; FILTERS;
D O I：
10.1109/LMWC.2019.2904396
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 class of balanced dual-band planar diplexer with frequency-contiguous channels for the differential mode and high common-mode rejection is presented. It exploits double-stub-loaded filtering cells with resistors connected at the symmetry plane of the overall diplexer. In this manner, a sharp-rejection dual-band operation for each diplexer channel with transmission zeroes (TZs) at both sides of the differential-mode dual passbands is obtained. In addition, broadened common-mode suppression and low common-mode in-band input power reflection can be realized. The theoretical foundations and design guidelines for the devised dual-band differential-mode diplexer are provided. Moreover, for practical-validation purposes, a microstrip prototype with imbricated 1.51-GHz/2.41-GHz and 1.92-GHz/2.85-GHz lower and upper dual-band channels is manufactured and tested.
引用
收藏
页码：318 / 320
页数：3
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