A Compact Microstrip Antenna on a Cross-Shape Slotted Ground with a Switchable Circular Polarization

被引：0
作者：
Yoon, Won-Sang [1 ]
Han, Sang-Min [2 ]
Baik, Jung-Woo [3 ]
Pyo, Seongmin [3 ]
Kim, Young-Sik [3 ]
机构：
[1] Samsung Thales, R&D Team 2, Chang Li 304, Yongin 449886, Gyeonggi Do, South Korea
[2] Soonchunhyang Univ, Dept Informat & Commun & Engn, Chungnam 336745, South Korea
[3] Korea Univ, Dept Radio Commun & Engn, Seoul 136713, South Korea
来源：
APMC: 2009 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2009年
关键词：
Microstrip patch antenna; circular polarization; reconfigurable antenna; crossed slot; pin diode; PATCH ANTENNA; DIVERSITY;
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 circular microstrip patch antenna with a switchable circular polarization (CP) is proposed at 2.4 GHz. An unequal cross-shaped slot on a ground plane is utilized as a perturbation. By switching pin diodes mounted on the slot, the CP sense of each antenna can be simply switched from left-handed (LH) CP to right-handed (RH) CP vice versa. Since the perturbation can be made on the ground plane and no bias circuit is required on the patch side, there is less distortion on the radiation pattern. From the experimental results for both CP senses, the impedance bandwidth and CP bandwidth of the proposed antenna are up to 150 MHz and 35 MHz, respectively.
引用
收藏
页码：759 / +
页数：2
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