Analog/Digital Ferrite Phase Shifter for Phased Array Antennas

被引：20
|
作者：
Sheikh, Sharif Iqbal Mitu [1 ]
Gibson, A. A. P. [2 ]
Basorrah, M. [1 ]
Alhulwah, G. [1 ]
Alanizi, K. [1 ]
Alfarsi, M. [1 ]
Zafar, J. [2 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Elect Engn, Dhahran 31261, Saudi Arabia
[2] Univ Manchester, Dept Elect & Elect Engn, Manchester M60 1QD, Lancs, England
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Ferrite; microstrip; phase shifter; phased array; DESIGN;
D O I：
10.1109/LAWP.2010.2048190
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 planar ferrite phase shifter is designed to exhibit simultaneous analog and digital phase tuning properties. Analog phase control is achieved by using an external magnetizing field, and digital phase change is realized by switching the phase shifter operation from microstrip to waveguide mode. Simulated and experimental results are presented to demonstrate the impedance matching and dual-phase tuning properties. At 9-GHz, a differential digital phase shift of 100 bit and an analog phase control of 16 mT is exhibited. When applied in phased array antennas, these easily integrated low-cost planar phase shifters can produce high-resolution wide-angle beam scan by employing analog/digital phase control circuits.
引用
收藏
页码：319 / 321
页数：3
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