Effect of DGS utilization on characteristics of square shaped CSRR-based SIW BPF

Latip, Abdul and Nanang, Ismail and Kurahman, Opik Taupik and Munir, Achmad (2020) Effect of DGS utilization on characteristics of square shaped CSRR-based SIW BPF. In: 2019 IEEE 5th International Conference on Wireless and Telematics (ICWT). Institut of Electrical and Electronic Engineers. ISBN 978-1-7281-4797-0

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Official URL: https://doi.org/10.1109/ICWT47785.2019.8978219

Abstract

This paper discusses the effect of defected ground structure (DGS) utilization on the characteristics of substrate integrated waveguide (SIW) bandpass filter (BPF) made of square shaped complimentary split ring resonator (CSRR). There are 2 pieces of DGS pattern with a round and square pattern made on the groundplane. Meanwhile the CSRR has 2 pairs of patterns consisting of an inner ring and an outer ring. The proposed SIW BPF was designed on a 1.6mm thick FR4 epoxy dielectric substrate with the size of 45mm × 40mm. The filter is designed to have the center frequency of 6.75 GHz with the frequency range from 3 GHz to 15 GHz. The investigated parameters of filter include DGS shape, CSRR dimension, distance between vias, and via diameter. It is found that the utilization of DGS and CSRR could enhance the filter characteristics. The characterization results show that the filter with square DGS patterns has the best performance among others with S 11 value of -18.44 dB, S 21 value of -3.01 dB, and fractional bandwidth of 122%.

Item Type: Book Section
Uncontrolled Keywords: bandpass filter (BPF); complimentary split ring resonator (CSRR); defected ground structure (DGS); substrate integrated waveguide (SIW)
Subjects: Applied Physics > Electronics
Divisions: Fakultas Sains dan Teknologi > Program Studi Teknik Informatika
Depositing User: Ilham Nurfauzi
Date Deposited: 08 Jun 2021 08:19
Last Modified: 18 Jun 2021 05:05
URI: https://digilib.uinsgd.ac.id/id/eprint/39806

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