Dual-Mode Ring Bandpass Filter Using Defected Ground Structure with a Wider Stopband(Microwaves, Millimeter-Waves)

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概要

• 論文の詳細を見る

• 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 f_0 = 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.

• 社団法人電子情報通信学会の論文
• 2004-12-01

著者

• Yang Ru

  Institute Of Microelectronics Department Of Electrical Engineering National Cheng Kung University

• Huang Tsung

  Department Of Computer And Communication Shu Te University

• Wu Hung

  Department Of Computer And Communication Shu Te University

• Houng M‐p

  National Cheng Kung Univ. Tainan Twn

• Houng Mau-phon

  Institute Of Microelectronics Department Of Electrical Engineering National Cheng Kung University

• Weng Min

  National Nano Device Laboratories

• WU Hung

  Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University

• HUANG Tsung

  Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University

• HSUEH Han-Ding

  National Nano Device Laboratories

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