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Nurshamimi Rosli
Universiti Malaysia Perlis

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Design of compact multi-mode microstrip resonator filters for dual-band application Nurshamimi Rosli; Siti Aminah Md Akhir; Siti Zuraidah Ibrahim; Nur Baya Mohd Hashim; Nurehansafwanah Khalid
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 2: February 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v13.i2.pp696-701

Abstract

This paper presents the design of compact multi-mode microstrip resonator filters for dual-band application. The design is simulated using Advanced Design System (ADS) 2016 software. The benefit of the proposed filter is found to have a dual-mode frequency, where the odd-mode resonant frequency is the fundamental frequency represented by the length of the resonator while the even-mode resonant frequency is represented by the length of the stub. To validate the design, a prototype is fabricated on Rogers RO4003C substrate and measured using PNA Network Analyzer.
Antenna for humidity sensor using split ring resonator Siti Aminah Md Akhir; Siti Zuraidah Ibrahim; Nurshamimi Rosli; Aini Syuhada Md Zain; Nurehansafwanah Khalid
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 2: February 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v13.i2.pp584-590

Abstract

This paper presents an antenna as a humidity sensor application to control and monitor the quality of humidity. A passive sensor tag with low cost solution is suggested where it implemented on a low-cost substrate, FR4.  A capacitive sensor that works from 0 to 1.5 GHz is implemented in the design. The capacitive sensor is designed based on a small antenna loaded with a Split ring resonator (SRR). To sense the humidity, the SRR resonator is coated with Kapton, placed on the top of the resonator. To validate the proposed method, a prototype was fabricated. The comparison between simulated and measured reflection coefficient is presented.
Co-Authors Aini Syuhada Md Zain Nur Baya Mohd Hashim Nurehansafwanah Khalid Siti Aminah Md Akhir Siti Zuraidah Ibrahim