Design of Compact and Sharp-Rejection Ultra Wideband Bandpass Filters Using Interdigital Stepped-Impedance Resonators(Microwaves, Millimeter-Waves)
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概要
- 論文の詳細を見る
In this paper, a compact ultra-wideband bandpass filter (UWB-BPF) using pseudo-interdigital stepped-impedance resonators (PIDT-SIRs) is designed and implemented on a commercial printed circuit board (PCB) of RT/Duroid 5880 substrate. The first two resonant modes of the SIR are coupled together and they are applied to create a wide passband. The proposed filter at center frequency f_0 of 7.1GHz has very good measured characteristics including the bandwidth of 3.68-10.46GHz (3dB fractional bandwidth of 95%), low insertion loss of -0.5±0.4dB, sharp rejection due to two transmission zeros in the passband edge created by the inter-stage coupling. Experimental results of the fabricated filter show a good agreement with the predicted results.
- 社団法人電子情報通信学会の論文
- 2007-08-01
著者
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Hung Cheng‐yuan
Tung‐fang Inst. Of Technol. Twn
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Yang Ru‐yuan
National Pingtung Univ. Sci. And Technol. Pingtung Twn
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WENG Min-Hang
National Nano Device Laboratories
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WU Hung-Wei
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical E
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SU Yan-Kuin
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical E
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HUNG Cheng-Yuan
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical E
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YANG Ru-Yuan
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical E
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Su Yan-kuin
Advanced Optoelectronic Technology Center Institute Of Microelectronics Department Of Electrical Eng
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Su Yan‐kuin
National Cheng Kung Univ. Twn
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Weng Min‐hang
National Nano Device Lab. Tainan Twn
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Weng Min-hang
Metal Industries Research And Development Centre
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Hung Cheng-yuan
Advanced Optoelectronic Technology Center Institute Of Microelectronics Department Of Electrical Eng
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Wu Hung-wei
Advanced Optoelectronic Technology Center Institute Of Microelectronics Department Of Electrical Eng
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Yang Ru-yuan
Advanced Optoelectronic Technology Center Institute Of Microelectronics Department Of Electrical Eng
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