Magnetoelectric Dipole Filtering Antenna Based on CSRR With Third Harmonic Suppression

被引：27

作者：

Hou, Rongxu ^{[1
]}

Ren, Jian ^{[1
,2
]}

Zuo, Miaomiao ^{[1
]}

Du, Xiaoyu ^{[1
]}

Yin, Ying Zeng ^{[1
]}

机构：

[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China

[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Dipole antennas; Antennas; Filtering; Antenna feeds; Impedance; Passband; Antenna measurements; Complementary split resonant ring (CSRR); filtering antenna; harmonic suppression; magnetoelectronic dipole antenna (MEDA); stepped impedance resonator; BAND PATCH; DESIGN;

D O I：

10.1109/LAWP.2021.3080037

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 letter, a high selectivity filtering magnetoelectric (ME) dipole antenna with harmonic suppression is investigated. By etching a complementary split resonant ring (CSRR) on shorted wall of ME dipole, a radiation null at upper passband edge can be obtained. The intrinsic radiation null at lower passband edge of ME dipole is utilized, together with the radiation null generated by CSRR, to obtain high selectivity. In addition, to suppress the third harmonic of the antenna, a stepped impedance resonator is loaded on the CYRILLIC CAPITAL LETTER GHE-shaped feeding structure. For verifying, a prototype operating from 1.44-2.79 GHz is designed, fabricated, and measured. Compared with the traditional ME dipole antenna, the proposed filtering antenna shows upper and lower stopband rejection levels as high as 16.61 and 17.84 dB, respectively. Furthermore, a third harmonic suppression level of 12.78 dB is obtained. Good agreement can be observed between the simulation and measurement.

引用

页码：1337 / 1341

页数：5

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