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Fundamentals of RF/Microwave Bandpass Filter Design

Fundamentals of RF/Microwave Bandpass Filter Design

Augustine O. Nwajana, Emenike Raymond Obi, Gerald Kelechi Ijemaru, Emmanuel U. Oleka, Destiny Chidi Anthony
Copyright: © 2021 |Pages: 16
ISBN13: 9781799869924|ISBN10: 179986992X|ISBN13 Softcover: 9781799869931|EISBN13: 9781799869948
DOI: 10.4018/978-1-7998-6992-4.ch005
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MLA

Nwajana, Augustine O., et al. "Fundamentals of RF/Microwave Bandpass Filter Design." Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering, edited by Augustine O. Nwajana and Isibor Kennedy Ihianle, IGI Global, 2021, pp. 149-164. https://doi.org/10.4018/978-1-7998-6992-4.ch005

APA

Nwajana, A. O., Obi, E. R., Ijemaru, G. K., Oleka, E. U., & Anthony, D. C. (2021). Fundamentals of RF/Microwave Bandpass Filter Design. In A. Nwajana & I. Ihianle (Eds.), Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering (pp. 149-164). IGI Global. https://doi.org/10.4018/978-1-7998-6992-4.ch005

Chicago

Nwajana, Augustine O., et al. "Fundamentals of RF/Microwave Bandpass Filter Design." In Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering, edited by Augustine O. Nwajana and Isibor Kennedy Ihianle, 149-164. Hershey, PA: IGI Global, 2021. https://doi.org/10.4018/978-1-7998-6992-4.ch005

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Abstract

This chapter presents the basic approach of microwave bandpass filter design for 5G network applications. The chapter serves as a reference source to microwave stakeholders with little or no filter design experience. It should help them to design and implement their first filter device using microstrip technology. A three-pole Chebyshev bandpass filter with centre frequency of 2.6 GHz, fractional bandwidth of 3%, passband ripple of 0.04321 dB, and return loss of 20 dB has been designed. The designed filter implementation is based on the Rogers RT/Duroid 6010LM substrate with a 10.7 dielectric constant and 1.27 mm thickness. The circuit model and microstrip layout results of the BPF are presented and show good agreement. The microstrip layout simulation results show that a less than 1.8 dB minimum insertion loss and a greater than 25 dB in-band return loss were achieved. The overall device size of the BPF is 18.0 mm by 10.7 mm, which is equivalent to 0.16λg x 0.09λg, where λg is the guided wavelength of the 50 Ohm microstrip line at the filter centre frequency.

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