MICROWAVE DIRECTIONAL FILTERS USING METAMATERIAL CLOSED-LOOP RESONATORS

被引：5
|
作者：
Lobato-Morales, H. [1 ]
Corona-Chavez, A. [2 ]
Rodriguez-Asomoza, J. [1 ]
机构：
[1] Univ Americas Puebla, Dept Comp Elect & Mechatron, Cholula 72820, Mexico
[2] Natl Inst Astrophys Opt & Elect, GTM, Puebla 72000, Mexico
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 05期
关键词：
metamaterials; directional filter (DF); closed-loop resonators;
D O I：
10.1002/mop.24275
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：
The design and construction of two Metamaterial (MTM) directional filters (DF) for multiplexing applications at 900 MHz is presented. The four-port filters are realized using composite-right-left-handed (CRLH) closed-loop resonators, which present small dimensions and suppression of harmonic resonances due to the zeroth-order resonance produced by MTM's. The first filter uses two conventional transmission lines (TL) between resonators to generate the necessary constructive-destructive interference for directional behavior. The second design is further miniaturized by a CRLH TL. The simulated responses are compared with measured data showing good agreement. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1155-1156, 2009; Published online in Wiley Inter-Science (www.interscience.wiley.com). DOI 10.1002/mop.24275
引用
收藏
页码：1155 / 1156
页数：2
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