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A New and Compact Wide-Band Microstrip Filter-Antenna Design for 2.4 GHz ISM Band and 4G Applications

Al-Yasir, Yasir I. A.; Alkhafaji, Mohammed K.; A. Alhamadani, Hana�a; Ojaroudi Parchin, Naser; Elfergani, Issa; Saleh, Ameer L.; Rodriguez, Jonathan; Abd-Alhameed, Raed A.

Authors

Yasir I. A. Al-Yasir

Mohammed K. Alkhafaji

Hana�a A. Alhamadani

Issa Elfergani

Ameer L. Saleh

Jonathan Rodriguez

Raed A. Abd-Alhameed



Abstract

A new and compact four-pole wide-band planar filter-antenna design is proposed in this article. The effect of the dielectric material type on the characteristics of the design is also investigated and presented. The filter-antenna structure is formed by a fourth-order planar band-pass filter (BPF) cascaded with a monopole microstrip antenna. The designed filter-antenna operates at a centre frequency of 2.4 GHz and has a relatively wide-band impedance bandwidth of about 1.22 GHz and a fractional bandwidth (FBW) of about 50%. The effects of three different types of substrate material, which are Rogers RT5880, Rogers RO3003, and FR-4, are investigated and presented using the same configuration. The filter-antenna design is simulated and optimised using computer simulation technology (CST) software and is fabricated and measured using a Rogers RT5880 substrate with a height (h) of 0.81 mm, a dielectric constant of 2.2, and a loss tangent of 0.0009. The structure is printed on a compact size of 0.32 λ0 × 0.30 λ0, where λ0 is the free-space wavelength at the centre frequency. A good agreement is obtained between the simulation and measurement performance. The designed filter-antenna with the achieved performance can find different applications for 2.4 GHz ISM band and 4G wireless communications.

Citation

Al-Yasir, Y. I. A., Alkhafaji, M. K., A. Alhamadani, H., Ojaroudi Parchin, N., Elfergani, I., Saleh, A. L., …Abd-Alhameed, R. A. (2020). A New and Compact Wide-Band Microstrip Filter-Antenna Design for 2.4 GHz ISM Band and 4G Applications. Electronics, 9(7), Article 1084. https://doi.org/10.3390/electronics9071084

Journal Article Type Article
Acceptance Date Jun 28, 2020
Online Publication Date Jul 2, 2020
Publication Date 2020
Deposit Date Feb 21, 2022
Publicly Available Date Mar 28, 2024
Journal Electronics
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 9
Issue 7
Article Number 1084
DOI https://doi.org/10.3390/electronics9071084
Keywords band-pass; compact; filter-antenna; LTE; microstrip; 4G
Public URL http://researchrepository.napier.ac.uk/Output/2840183

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