A Dual-Band Bandpass Filter Based on Generalized Negative-Refractive-Index Transmission-Lines

被引：32
|
作者：
Studniberg, Michael [1 ]
Eleftheriades, George V. [1 ]
机构：
[1] Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 01期
关键词：
Artificial lines; band-pass filter (BPF); dual-band; metamaterials; negative-refractive-index transmission-lines (NRI-TL);
D O I：
10.1109/LMWC.2008.2008538
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：
A dual-band bandpass filter is presented. The filter is composed of generalized negative-refractive-index transmission-lines (NRI-TL) realized in microstrip. The filtering mechanism relies on all four of the generalized NRI-TLs' left-handed and right-handed passbands. Under the closed stopband condition, two passbands are achieved. A complete design procedure is described. A fabricated example measures 0.25 lambda(o) x 0.25 lambda(o), where omega(o) is the wavelength of the center frequency of the stopband. Maximum insertion loss in the passbands (centered around 4 GHz) is measured at 1.5 dB.
引用
收藏
页码：18 / 20
页数：3
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