Microstrip stepped-impedance hairpin resonator low-pass filter with defected ground structure

被引：14

作者：

Cho, JH ^{[1
]}

Lee, JC ^{[1
]}

机构：

[1] Kwangwoon Univ, RFIC Res & Educ Ctr, Seoul 139701, South Korea

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 02期

关键词：

stepped impedance hairpin resonator (SIR); low-pass filter; aperture; defected ground structure (DGS);

D O I：

10.1002/mop.21364

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：

hi this paper, a new microstrip stepped-impedance hairpin resonator (SIR) low-pass filter (LPF) using a defected ground structure (DGS) is proposed. The proposed SIR hairpin low-pass filter using DGS provides a very sharp cutoff frequency response with low insertion loss. Furthermore, the SIR hairpin low-pass filter can provide attenuation poles for the wide-stopband characteristic due to the resonance characteristic of the DGS. Design parameters for the SIR low-pass filter are derived based on stepped-impedance theory and the equivalent-Circuit model for the DGS. The experimental results show excellent agreement with the theoretical simulation results. (C) 2005 Wiley Periodicals, Inc.

引用

页码：405 / 408

页数：4

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