Two Parallel-coupled Rings for Narrow Bandpass Filter Application

Authors

  • Norfishah Ab Wahab Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • Nabil M. Hidayat Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • Zuhani Ismail Khan Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • Zuhaila Mat Yasin Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • Nor Ashida Salim Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • Noriza Othman Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.
  • M. Khairul M. Salleh Microwave Technology Centre, Faculty of Electrical Engineering, University Teknologi MARA, UiTM Shah Alam 40450, Malaysia.

Abstract

A 2nd order bandpass filter topology is presented. It employs two single mode ring resonators that coupled via a quarter-wavelength coupled-line to exhibit a pseudo-elliptic bandpass response. The advantage of the topology is that, having only one coupled-line in the structure has reduced the complexity of the circuit to obtain a narrowband response of less than 9% with high rejection level. Prototypes filters were realized to validate the concept using microstrip technology. It was proven that the measurement results had shown good agreement with those from the simulation.

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Published

2016-06-01

How to Cite

Ab Wahab, N., M. Hidayat, N., Ismail Khan, Z., Mat Yasin, Z., Salim, N. A., Othman, N., & M. Salleh, M. K. (2016). Two Parallel-coupled Rings for Narrow Bandpass Filter Application. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 8(3), 73–77. Retrieved from https://jtec.utem.edu.my/jtec/article/view/1005

Issue

Vol. 8 No. 3: Emerging Technologies in Communication and Computer Engineering for Smart City Applications I

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Articles

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