Design and Analysis of a Bandpass Filter Using Dual Composite Right/Left Handed (D-CRLH) Transmission Line Showing Bandwidth Enhancement

被引：1

作者：

Garg, Priyanka ^{[1
]}

Jain, Priyanka ^{[1
]}

机构：

[1] Delhi Technol Univ, Dept Elect & Commun Engn, New Delhi 110042, India

来源：

WIRELESS PERSONAL COMMUNICATIONS | 2021年 / 120卷 / 02期

关键词：

Bandpass filter (BPF); Dual Composite Right; Left Handed (D-CRLH )Transmission Line (TL ); Metamaterial; U-shaped complementary split ring resonator (UCSRR ); Microstrip line; COMPACT;

D O I：

10.1007/s11277-021-08529-6

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

A compact, low-profile, Band Pass Filter (BPF) based on balanced Dual Composite Right/Left Handed (D-CRLH) Transmission Line (TL) is proposed in this article. A balanced D-CRLH TL can be used to provide wideband filter characteristics due to no frequency separation between the RH and LH frequency bands. The proposed D-CRLH TL is designed using U-shaped complementary split-ring resonator (UCSRR). The extraction of equivalent circuit model of the proposed structure is also performed. The proposed filter provides a 3 dB passband range from 2.44 to 5.58 GHz. Further, the bandwidth is enhanced by introducing a slot in UCSRR, which resulted in a 3 dB passband range from 1.43 to 5.56 GHz. The proposed via less BPF has a compact size of 15 x 15 mm(2) designed on an FR-4 substrate with dielectric constant (epsilon(r)) = 4.3. The design analysis of the proposed bandpass filter is presented in terms of reflection coefficient, transmission coefficient, propagation constant and group delay.

引用

页码：1705 / 1720

页数：16

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