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A hybrid surface-to-surface transition-based UWB-BPF with multiple in-band interference suppression

Published online by Cambridge University Press:  04 March 2019

Abu Nasar Ghazali Open the ORCID record for Abu Nasar Ghazali [Opens in a new window] ,
Jabir Hussain  and
Srikanta Pal
Abu Nasar Ghazali*
Affiliation:
School of Electronics Engineering, KIIT Deemed University, Bhubaneswar −751024, India
Jabir Hussain
Affiliation:
School of Electronics Engineering, KIIT Deemed University, Bhubaneswar −751024, India
Srikanta Pal
Affiliation:
Department of Electronics and Communication Engineering, BIT Mesra, Ranchi – 835215, India
*
Author for correspondence: Abu Nasar Ghazali, E-mail: anghazali@gmail.com
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Abstract

A compact ultra-wideband (UWB) bandpass filter (BPF) based on surface-to-surface transition technology with features of extended stopband and integrated interference mitigation characteristics is proposed. The basic structure consists of a modified multiple-mode resonator (MMR)-based co-planar waveguide in the ground surface and coupled in broadside manner with the microstrip lines on the top surface. Later, two open-circuited stubs are embedded in the feeding lines and two complementary split ring resonators are etched in the MMR to implement multiple in-band transmission zeros so as to circumvent interference. A prototype is fabricated and measured to validate the results obtained in simulation. The proposed UWB-BPF is compact in size with overall dimensions of 17.82 by 11.08 mm2.

Keywords

Bandpass filter (BPF)complementary split ring resonator (CSRR)co-planar waveguide (CPW)microstrip-to-CPW transitionultra-wideband (UWB)
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 2 , March 2019 , pp. 168 - 174
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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