Branch Line Coupler inspired Circularly Polarized Leaky-Wave Antenna with Broadside Scanning

被引：0
|
作者：
Ahmad, Ayaz [1 ]
Pandey, Vishakha [1 ]
Kumar, Busineni Mahesh [1 ]
Mukherjee, Jayanta [1 ]
机构：
[1] Indian Inst Technol, Elect Engn Dept, Mumbai 400076, Maharashtra, India
来源：
2022 16TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2022年
关键词：
Branch-line coupler; circular polarization; leaky-wave antenna; open stopband; unit cell;
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：
In this work, a new microstrip circularly polarized leaky-wave antenna is presented for X -band applications. The design of the proposed leaky-wave antenna is inspired by the conventional 3 dB branch-line coupler. The geometry of the unit cell of the proposed leaky-wave antenna is realized by removing the two collinear feed lines of the branchline coupler. The open stopband is eliminated by optimizing the geometry. The proposed leaky-wave antenna provides impedance bandwidth with vertical bar S-11 vertical bar < -10 dB between 8.2-11.1 GHz. The bandwidth corresponding to axial ratio < 3 dB is 9.4-10.3 GHz. The antenna radiates in the broadside at 9.9 GHz with 14.1 dBic gain.
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页数：4
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