Circularly polarised filtering dielectric resonator antenna for X-band applications

被引：36

作者：

Sahoo, Anuj Kumar ^{[1
]}

Gupta, Ravi Dutt ^{[1
]}

Parihar, Manoj Singh ^{[1
]}

机构：

[1] PDPM IIITDMJ, Dept Elect & Commun Engn, Dumna Airport Rd, Jabalpur, India

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2018年 / 12卷 / 09期

关键词：

electromagnetic wave polarisation; resonator filters; dielectric resonator antennas; antenna feeds; slot antennas; laminates; dielectric materials; microstrip antennas; microstrip lines; band-pass filters; band-stop filters; microwave antennas; antenna radiation patterns; circularly polarised filtering dielectric resonator antenna; X-band application; left hand circularly polarised electromagnetic field generation; rectangular ring slot; dielectric laminate; microstrip line; semielliptical shape bandpass filter; antenna feed line; resistance; 50; ohm; bandwidth; 7; 9 GHz to 8; 4; GHz; SLOT; INTEGRATION; BANDWIDTH; COMPACT;

D O I：

10.1049/iet-map.2017.1159

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 circularly polarised filtering dielectric resonator antenna is proposed. Left hand circularly polarised electromagnetic field is generated by virtue of a rectangular ring slot present on the ground plane of the dielectric laminate, beneath the dielectric resonator antenna, which is fed by a 50 microstrip line. Additionally, a semi-elliptical shape bandpass filter is incorporated in the feed line to produce high selectivity, flat gain and wide stopband. A detailed analysis of the filter and the antenna has been carried out. The design offers fractional bandwidth of 6.13% ranging from 7.9 to 8.4GHz, gain around 5.3dBic and 3dB axial ratio bandwidth of 3.68%. The simulated radiation efficiency is >80% in the pass band. The proposed structure has been fabricated and the results are compared with the simulated values.

引用

页码：1514 / 1518

页数：5

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