Compact Second-Order Bandstop Filter Based on Dual-Mode Complementary Split-Ring Resonator

被引：34

作者：

Ebrahimi, Amir ^{[1
]}

Withayachumnankul, Withawat ^{[1
]}

Al-Sarawi, Said F. ^{[1
]}

Abbott, Derek ^{[1
]}

机构：

[1] Univ Adelaide, Sch Elect & Elect Engn, Adelaide, SA 5005, Australia

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2016年 / 26卷 / 08期

关键词：

Bandstop filter; complementary split-ring resonator (CSRR); dual-mode filter; second-order filter;

D O I：

10.1109/LMWC.2016.2585544

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 compact dual-mode bandstop filter is presented in this letter. Froman equivalent circuit viewpoint, a second-order response is obtained by designing a two-pole notch filter with inductive coupling. This equivalent circuit is then implemented by using a dual-mode complementary split-ring resonator. The proposed bandstop filter prototype has dimensions of 0.1 lambda(g) x 0.18 lambda(g), where lambda(g) defines the guided-wave wavelength. An experimental validation at the center frequency f(0) of 2 GHz shows that the proposed filter can extend the harmonic-free upper passband up to 4.2 f(0).

引用

页码：571 / 573

页数：3

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