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
收藏
页码：1514 / 1518
页数：5
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