NDLI: New π–T generalised metamaterial negative refractive index transmission line for a compact coplanar waveguide triple band pass filter applications

Content Provider	IET Digital Library
Author	Fouad, Mohammed A. Abdalla, Mahmoud Abdelrahman
Abstract	This study presents, for the first time, a novel π − T generalised negative refractive index (NRI) transmission line (TL) configuration. It is innovated for increasing the possible passbands in designing microwave components. It is proved that the proposed transmission line can introduce up to seven passbands for completely unbalanced transmission line condition. The detailed mathematical analysis of that configuration based on the periodic network analysis and equivalent circuit model is introduced. As an application for the novel π − T generalised NRI TL configuration, a new compact triple band coplanar waveguide (CPW) metamaterial filter is introduced. The proposed triple bands CPW filter design steps are introduced and its performance is validated using equivalent circuit model simulation, electromagnetic full wave simulation and experimental measurements. Good agreements between the circuit modelling, electromagnetic full wave simulation and practical measurement results are achieved. All the results confirm that the proposed filter has triple passbands from 900 to 960 MHz, 1.4 to 1.48 GHz and 2.4 to 2.45 GHz. Moreover the filter size is compact whose length is only 12.1% λg at first passbands, 18.2 λg % at second passbands and 31.7 λg % at third passbands.
Starting Page	1097
Ending Page	1104
Page Count	8
ISSN	17518725
Volume Number	8
e-ISSN	17518733
Issue Number	Issue 13, Oct (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/8/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0698
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2014-06-23
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band-pass Filter Compact Coplanar Waveguide Triple BPF Application Compact Triple Band Coplanar Waveguide Metamaterial Filter Completely Unbalanced Transmission Line Condition Coplanar Transmission Line Coplanar Waveguide CPW Electromagnetic Full Wave Simulation Equivalent Circuit Equivalent Circuit Model Simulation Filter And Other Network Frequency 1.4 GHz to 1.48 GHz Frequency 2.4 GHz to 2.45 GHz Frequency 900 MHz to 960 MHz Mathematical Analysis Microwave Component Microwave Filter Microwave MetaMaterial NRI TL Configuration Periodic Network Analysis UHF Filter Waveguide And Microwave Transmission Line Waveguide And Microwave Transmission Line Component Π-T Generalised Metamaterial Negative Refractive Index Transmission Line
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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