2 to 6 GHz, 4 x 4 and 8 x 8 Butler Matrices Based on Slot-Coupled Technology and a Flexible Design Method

被引：0
|
作者：
Li, Yao [1 ]
Zhu, Xiao-Wei [1 ]
Tian, Ling [1 ]
Liu, Rui-Jia [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, Nanjing, Peoples R China
来源：
MICROWAVE JOURNAL | 2021年 / 64卷 / 12期
基金：
中国国家自然科学基金;
关键词：
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：
Wideband (2 to 6 GHz) 4 x 4 and 8 x 8 Butler matrices without crossover circuits are implemented on a three metal-layer structure using hybrid couplers and phase shifters realized with elliptically-shaped coupling structures. A flexible design method for phase compensation is used based on the spacing of the hybrid couplers. Measurements agree with simulation, demonstrating the amplitude and phase performance of the ports. Compared to other Butler matrix configurations, the elliptical coupling structure without crossover circuits has an ultra-wide bandwidth of several octaves.
引用
收藏
页码：62 / 76
页数：15
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