Dual-frequency microstrip antenna at S and X bands with higher-order mode suppression technique

被引：13

作者：

Mathur, Pratigya ^{[1
]}

Kumar, Girish ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Mumbai 400076, Maharashtra, India

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2018年 / 12卷 / 04期

关键词：

microstrip antennas; microstrip filters; low-pass filters; multifrequency antennas; dual-frequency microstrip antenna; X bands; S bands; higher-order mode suppression technique; single-frequency microstrip antennas; low-pass microstrip filter; HARMONIC SUPPRESSION;

D O I：

10.1049/iet-map.2017.0224

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 study, a higher-order mode suppression technique in single- and dual-frequency microstrip antennas is proposed. The technique integrates a microstrip filter within the microstrip antenna, thereby simplifying the transmitter/receiver chain by eliminating the need of a separate filter. This technique gives higher-order mode suppression of 8dB using a low-pass microstrip filter without any effect on the resonance frequency and the gain of the antenna. A dual-frequency antenna for S and X bands is designed using this technique to obtain measured bandwidth of 7% and gain of 8dBi at the S-band and measured bandwidth of 10.5% and gain of 11.5dBi at the X-band. This antenna can be used for satellite applications.

引用

页码：583 / 587

页数：5

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