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Dual-band bandpass filter for software defined radio and 5G

Part of: EuMW Special issue 2019

Published online by Cambridge University Press:  11 June 2020

Wei-Chung Chang  and
Wen-Hua Tu Open the ORCID record for Wen-Hua Tu [Opens in a new window]
Wei-Chung Chang
Affiliation:
Department of Electrical Engineering, National Central University, No. 300, Jhongda Road, Jhongli, Taoyuan32001, Taiwan
Wen-Hua Tu*
Affiliation:
Department of Electrical Engineering, National Central University, No. 300, Jhongda Road, Jhongli, Taoyuan32001, Taiwan
*
Author for correspondence: Wen-Hua Tu, E-mail: whtu@ee.ncu.edu.tw
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Abstract

This paper presents the filter design in the student design competition of EuMW 2019. This contest motivates students for the design and implementation of a dual-band bandpass filter able to get outstanding performance, where different implementation technologies, such as microstrip, coplanar, multilayer microstrip, substrate integrated waveguide, and some others can be effectively employed. Filters are evaluated by considering a figure of merit (FoM) defined by the insertion loss level, selectivity, spurious-free response, and size. To this end, three viable dual-band bandpass filters with different feeding technologies, resonators, and design topologies are investigated for the optimal FoM.

Keywords

bandpass filters
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Special Issue 7: EuMW 2019 Special Issue , September 2020 , pp. 629 - 634
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Copyright
Copyright © Cambridge University Press and the European Microwave Association 2020

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