Dual-Band Bandpass Filter using Defected Microstrip Structure (DMS) for WIMAX Applications

Authors

  • Mohamad Ariffin Mutalib Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.
  • Zahriladha Zakaria Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.
  • Noor Azwan Shairi Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.
  • Sam Weng Yik Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.
  • Yully Erwanti Masrukin Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.
  • Mohd Khairy Zahari Centre for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic & Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya 76100, Durian Tunggal, Melaka, Malaysia.

Keywords:

Microwave Filter, Bandpass, Dual-Band, Defected Microstrip Structure (DMS), Q-Factor,

Abstract

This paper presents dual-band bandpass filter using defected microstrip structure (DMS). The two DMSs was integrated with short circuit stub bandpass filter to produce high attenuation and good selectivity between dual-bandpass. The DMS was designed at 3 GHz with a fractional bandwidth of about 20% and the attenuation is better than 70 dB. The group delay in the passband of dual-band was lower than 1.2 and 1.5 ns respectively. The design was simulated and fabricated on a Roger Duroid RO4350 with a thickness of 0.508 mm and dielectric constant, εr of 3.48. This type of filter is useful in any RF/microwave communication systems to enabling pre-selection of more than one band from interferers. While maintaining its excellent performance, the overall physical and cost reduction can also be achieved using this technique.

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Published

2017-04-01

How to Cite

Mutalib, M. A., Zakaria, Z., Shairi, N. A., Weng Yik, S., Masrukin, Y. E., & Zahari, M. K. (2017). Dual-Band Bandpass Filter using Defected Microstrip Structure (DMS) for WIMAX Applications. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 9(1-5), 111–114. Retrieved from https://jtec.utem.edu.my/jtec/article/view/1846

Issue

Vol. 9 No. 1-5: Smart City Technology in Communication and Computer Engineering III

Section

Articles

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