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
收藏
页码：1493 / 1496
页数：4
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