Quality Factor Comparison of Coaxial-Fed and Edge-Fed Electrically Small Microstrip Antennas

被引：2

作者：

Anagnostou, D. E. ^{[1
,2
]}

Mavridis, G. A. ^{[2
]}

Chryssomallis, M. T. ^{[2
]}

机构：

[1] S Dakota Sch Mines & Technol, Rapid City, SD 57701 USA

[2] Democritus Univ Thrace, Xanthi 67100, Greece

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷

关键词：

Chu limit; electrically small antennas (ESAs); microstrip antennas; quality factor Q; LIMITATIONS; IMPEDANCE;

D O I：

10.1109/LAWP.2012.2231851

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：

This letter presents and discusses the simulated and measured values of Q for microstrip antennas with different feeding schemes (edge-fed versus coaxial-fed) for regular (rectangular) and electrically small (meandered) designs. The edge-fed antennas are not matched, while the coaxial-fed are matched to 50 Omega. The measured Q is compared to that given by exact and approximate formulas, simulations, and the Chu lower bound. The objective is to assess by how much a measurement of Q typically differs from its anticipated value, in regular and miniaturized microstrip antennas for different feeding schemes.

引用

页码：1493 / 1496

页数：4

共 42 条

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