A Switchable Circular Polarization Microstrip Antenna Using a Varactor Diode

被引：0
作者：
Lee, Tae-Hak [1 ]
Baik, Jung-Woo [2 ]
Choi, Junho [1 ]
Kim, Young-Sik [1 ]
机构：
[1] Korea Univ, Dept Radio Commun Engn, Seoul, South Korea
[2] Samsung S1 Co Ltd, Technol Inst S1, Seoul, South Korea
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 11期
关键词：
reconfigurable antenna; varactor tuning diode; circular polarization; PATCH ANTENNA;
D O I：
10.1587/transcom.E95.B.3597
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：
In this letter a circular polarization microstrip antenna with switchable polarization is proposed. The switchable polarization sense characteristic is realized via a shunt connected varactor tuning diode. The appropriate capacitance of the diode at the reverse bias voltage can alter two circular polarizations, as the tuning diode, which is located near the rectangular slot in the circular patch, is utilized in a perturbation element. The switchable polarization is analyzed using the equivalent circuit model representing the resonances of each orthogonal mode. Simulation, calculated, and measured results agree well.
引用
收藏
页码：3597 / 3600
页数：4
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