Frequency and Polarization Reconfigurable Microstrip Antenna with Switching Feed Configuration

被引：0
|
作者：
Kumar, Suresh M. [1 ]
Choukiker, Yogesh Kumar [1 ]
机构：
[1] Vellore Inst Technol, Sch Elect Engn, Dept Commun Engn, Vellore, Tamil Nadu, India
来源：
2018 IEEE INDIAN CONFERENCE ON ANTENNAS & PROPOGATION (INCAP) | 2018年
关键词：
Varactor diode; frequency reconfigurable; polarization reconfigurable; branch line coupler; SPDT; DIP;
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：
Circular microstrip reconfigurable antenna for frequency and polarization with feed configuration is presented in this paper. The wideband cascaded branch line coupler (BLC) with switching feed configuration is used to achieve horizontal linear polarization (H-LP), vertical linear polarization (V-LP), right hand circular polarization (RHCP) and left hand circular polarization (LHCP) in the antenna. The proposed cascaded BLC feed network is used to control tunable over a wideband from 1.25 to 2.95 GHz. The circular patch antenna has the tunable impedance bandwidth from 2.09 to 2.96 GHz. It is achieved by varying the varactor diode capacitance values between 4.15pF (0V) to 0.94pF (6V). The impedance bandwidth of BLC feed network is matching with the impedance bandwidth of patch antenna simultaneously to achieve all the performance. Measured results show good agreement.
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页数：4
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