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IEEE 754 Floating Point Pipelined Multiplier with Karatsuba for Mitigations of Area and Power Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Design and Modelling of a FSS-Based Wideband Absorber

Authors : Priyanka Das, Kaushik Mandal

Published in: Computers and Devices for Communication

Publisher: Springer Singapore

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Abstract

This paper aims at designing a thin low profile frequency-selective surface (FSS)-based absorber without an air gap in the frequency range of 6.1–12.5 GHz. A resistive FSS-based impedance surface of 11 Ω/square is designed on a two-layered FR4 substrate backed by a metallic plate. The return loss exhibited by the absorber is below −10 dB in the operating frequency range, yielding more than 90% absorption. The absorber shows an angular stability upto 50° for both TE and TM polarizations. The absorber is polarization insensitive due to its fourfold symmetric structure. Parametric studies of different impedance surfaces have been conducted. Finally, an equivalent circuit model is proposed which is used for deriving various circuit parameters.

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Metadata
Title
Design and Modelling of a FSS-Based Wideband Absorber
Authors
Priyanka Das
Kaushik Mandal
Copyright Year
2021
Publisher
Springer Singapore
Book
Computers and Devices for Communication

Print ISBN: 978-981-15-8365-0

Electronic ISBN: 978-981-15-8366-7

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-981-15-8366-7_28