Defected Ground Structure Based Compact Microstrip Lowpass Filter with Wide Stopband

被引：0

作者：

Sahu, Bhagirath ^{[1
]}

Singh, Soni ^{[1
]}

Meshram, Manoj Kumar ^{[1
]}

Singh, S. P. ^{[1
]}

机构：

[1] Banaras Hindu Univ Varanasi, Indian Inst Technol, Dept Elect Engn, Varanasi 221005, Uttar Pradesh, India

来源：

2017 IEEE APPLIED ELECTROMAGNETICS CONFERENCE (AEMC) | 2017年

关键词：

attenuation pole; compact; defected ground structure; low pass filter; wide stopband;

D O I：

暂无

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：

In this paper, a compact lowpass filter (LPF) with wide stopband is reported which uses four non-uniform cascaded defected ground structure (DGS) units along with a 50 Omega microstrip line. Each DGS unit is formed by combining three isosceles U-shaped DGSs and provides three attenuation poles. The proposed LPF has size of 14.44 mm x 3.4 mm, 3-dB cut-off frequency of 14.2 GHz, and greater than 40 dB and 22 dB stopband rejection upto 21.8 GHz and 30 GHz respectively. The proposed LPF is fabricated and experimentally tested. The experimental results are nearly in agreement with corresponding numerical simulation results.

引用

页数：2

共 5 条

[1] A design of the low-pass filter using the novel microstrip defected ground structure [J].