Dual-mode ring bandpass filter using defected ground structure with a wider stopband

Ru Yuan Yang, Min Hung Weng, Hung Wei Wu, Tsung Hui Huang, Han Ding Hsueh, Mau-phon Houng

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This paper proposes a novel dual-mode ring bandpass filter (BPF) using defect ground structure (DGS). The proposed filter provides wide stopband characteristic resulted from the bandgap characteristic of DGS for suppressing spurious response of the dual-mode ring BPF. The H shaped DGS cell is modeled as a parallel LC resonator and the equivalent circuit parameters are extracted. The relationship between bandgap characteristic and design parameters of DGS dimension is discussed and the bandgap characteristic of DGS on the filter performance is also investigated. The novel proposed filter has the frequency characteristics with a central frequency f0 = 7.7 GHz, a 3-dB bandwidth of 4.5% and wider stopband from 9 to 15.5 GHz at the level of -35 GHz. Measured results of experimental filter has good agreement with the theoretical simulation results.

Original languageEnglish
Pages (from-to)2150-2157
Number of pages8
JournalIEICE Transactions on Electronics
VolumeE87-C
Issue number12
Publication statusPublished - 2004

Fingerprint

Defected ground structures
Bandpass filters
Defects
Energy gap
Equivalent circuits
Resonators
Bandwidth

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Yang, R. Y., Weng, M. H., Wu, H. W., Huang, T. H., Hsueh, H. D., & Houng, M. (2004). Dual-mode ring bandpass filter using defected ground structure with a wider stopband. IEICE Transactions on Electronics, E87-C(12), 2150-2157.
Yang, Ru Yuan ; Weng, Min Hung ; Wu, Hung Wei ; Huang, Tsung Hui ; Hsueh, Han Ding ; Houng, Mau-phon. / Dual-mode ring bandpass filter using defected ground structure with a wider stopband. In: IEICE Transactions on Electronics. 2004 ; Vol. E87-C, No. 12. pp. 2150-2157.
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abstract = "This paper proposes a novel dual-mode ring bandpass filter (BPF) using defect ground structure (DGS). The proposed filter provides wide stopband characteristic resulted from the bandgap characteristic of DGS for suppressing spurious response of the dual-mode ring BPF. The H shaped DGS cell is modeled as a parallel LC resonator and the equivalent circuit parameters are extracted. The relationship between bandgap characteristic and design parameters of DGS dimension is discussed and the bandgap characteristic of DGS on the filter performance is also investigated. The novel proposed filter has the frequency characteristics with a central frequency f0 = 7.7 GHz, a 3-dB bandwidth of 4.5{\%} and wider stopband from 9 to 15.5 GHz at the level of -35 GHz. Measured results of experimental filter has good agreement with the theoretical simulation results.",
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Yang, RY, Weng, MH, Wu, HW, Huang, TH, Hsueh, HD & Houng, M 2004, 'Dual-mode ring bandpass filter using defected ground structure with a wider stopband', IEICE Transactions on Electronics, vol. E87-C, no. 12, pp. 2150-2157.

Dual-mode ring bandpass filter using defected ground structure with a wider stopband. / Yang, Ru Yuan; Weng, Min Hung; Wu, Hung Wei; Huang, Tsung Hui; Hsueh, Han Ding; Houng, Mau-phon.

In: IEICE Transactions on Electronics, Vol. E87-C, No. 12, 2004, p. 2150-2157.

Research output: Contribution to journalArticle

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