A Compact Phase-Shifting Unit for Phased Array Antennas

被引：0
|
作者：
Ding, Can [1 ,2 ,3 ]
Guo, Y. Jay [3 ]
Qin, Pei-Yuan [3 ]
Yang, Yintang [1 ]
机构：
[1] Xidian Univ, Sch Microelect, Xian, Peoples R China
[2] Macquarie Univ, Dept Engn, Sydney, NSW 2109, Australia
[3] CSIRO Computat Informat, Sydney, NSW, Australia
来源：
2014 11TH EUROPEAN RADAR CONFERENCE (EURAD) | 2014年
关键词：
Reconfigurable defected microstrip structure (RDMS); phase-shifting unit; insertion loss; phased array antennas;
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：
A compact reconfigurable defected microstrip structure (RDMS) unit is proposed for phase shifters used in phased array antennas. The RDMS unit can introduce a phase shift when working in two different states. The performance of the RDMS unit, including the phase shift and insertion loss, is found to have closely correlations with some key dimensions, which is elucidated using equations and simulations. A RDMS unit with optimized dimensions is fabricated as an example, and measured to have a phase shift of 2 0 degrees at 5.2 GHz. Then, two of such RDMS units are cascaded, resulting in a 1-bit phase shifter which has a doubled phase shift but smaller insertion loss. The proposed phase shifter is compact, low cost, and easy to be fabricated and integrated in microstrip systems. Therefore, it offers a low-cost and low-profile solution to phase shifts in phased array antennas.
引用
收藏
页码：443 / 446
页数：4
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