Suppression of Higher Order Modes of a Two Element Microstrip Array Using Open-Ended Stubs

被引：1

作者：

Biswas, Susmita ^{[1
]}

Ghosh, Chandan K. ^{[2
]}

Mandal, Santimoy ^{[3
]}

Sarkar, Goffar A. ^{[4
]}

Banerjee, Soumen ^{[5
]}

Mandal, Durbadal ^{[1
]}

机构：

[1] Natl Inst Technol, Dept ECE, Durgapur, India

[2] Dr BC Roy Engn Coll, Dept ECE, Durgapur, India

[3] RVS Coll Engn & Technol, Dept ECE, Jamshedpur, Jharkhand, India

[4] Indian Inst Engn Sci & Technol, Howrah, India

[5] Univ Engn & Management, Dept ECE, Kolkata, India

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2019年 / 82卷

关键词：

HARMONICS;

D O I：

10.2528/PIERL18112108

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 paper suppression of higher order modes of a microstrip antenna array is investigated. The array consists of two radiating elements which are fed by a corporate type microstrip feeding network. The array provides resonance at 5.2 GHz frequency for its fundamental mode (TM(10 )mode). Beside this fundamental mode, two harmonics at 10.4 GHz (1st harmonic) and 15.05 GHz (2nd harmonic) and a few sub-harmonics at 7.8 GHz (TM01), 8.8 GHz (TM11), and 13.3 GHz (TM (12)) are excited. In order to suppress the 1st harmonics, a pair of half wavelength open ended stubs whereas for 2nd harmonic a pair of quarter wavelength open ended stubs are employed. From the simulated results it has been noticed that the 1st and 2nd harmonics are successfully suppressed, and the sub-harmonics are also suppressed. Prototypes of the antenna arrays are fabricated and measured. Measured results have good agreement with simulated ones.

引用

页码：121 / 128

页数：8

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