Normal Mode Helical Antenna on Small Circular Ground Plane

被引：3
作者：
Wadkar, Suman P. [1 ]
Hogade, B. G. [2 ]
Rathod, S. M. [3 ]
Kumar, Hemant [4 ]
Kumar, Girish [4 ]
机构：
[1] Univ Mumbai, Pillai Coll Engn, Elect & Telecommun Engn Dept, Mumbai 410206, Maharashtra, India
[2] Univ Mumbai, Terna Coll Engn, Elect Engn Dept, Mumbai 400706, Maharashtra, India
[3] Veermata Jijabai Technol Inst, Elect Engn Dept, Mumbai 400019, Maharashtra, India
[4] Indian Inst Technol, Elect Engn Dept, Bombay 400076, Maharashtra, India
来源：
IETE JOURNAL OF RESEARCH | 2020年 / 66卷 / 05期
关键词：
Helical antenna; Impedance matching; Normal mode; Small circular ground plane;
D O I：
10.1080/03772063.2018.1510748
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, it has been shown that input impedance matching for the Normal Mode Helical Antenna (NMHA) can be obtained by using a small circular ground plane (radius approximate to lambda/20) without any external impedance matching network. It also discusses the effect of the finite circular ground plane radius, the radius of wire on the input impedance, resonance frequency, and bandwidth of the NMHA. Further, the effects of different ground plane shapes and cupped shape ground plane bending in upward and downward directions on input impedance matching are presented. A prototype of NMHA has been fabricated to operate around 1.8 GHz and the measured results are in good agreement with the simulated results.
引用
收藏
页码：617 / 624
页数：8
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