A Differential Dual-Polarized SIW Cavity-Backed Slot Antenna

被引：47

作者：

Srivastava, Gunjan ^{[1
]}

Mohan, Akhilesh ^{[1
]}

机构：

[1] IIT Kharagpur, Dept Elect & Elect Commun Engn, Kharagpur 721302, W Bengal, India

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 05期

关键词：

Differential antenna; substrate integrated waveguide (SIW); slot antenna (SA); BAND PATCH ANTENNA;

D O I：

10.1109/TAP.2019.2900380

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, low-profile, and dual-polarized differential slot antenna with high isolation and high common-mode rejection is presented in this communication. The antenna is composed of a cross-shaped slot backed by a square substrate integrated waveguide (SIW) cavity. The two differential pairs of grounded coplanar waveguide are used for the excitation of the differential signals. These differential signals excite the diagonal TE120 and TE210 modes of the SIW cavity. The proposed antenna offers a differential gain of 7.4 dBi with a front-to-back ratio of 22 dB. A prototype of the designed differential antenna is fabricated as a proof of concept. The experimental results show that the proposed antenna is a good candidate for various X-band applications.

引用

页码：3450 / 3454

页数：5

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