A Novel Compact HTS Interdigital Bandpass Filter Using CPW Quarter-Wavelength Resonators(<Special Section> Superconducting High-frequency Devices)
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概要
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copyright(c)2006 IEICE許諾番号：07RB0174A novel high temperature superconducting interdigital bandpass filter is proposed by using coplanar waveguide quarter-wavelength resonators. The CPW resonators are arranged in parallel, and consequently the filter becomes very compact. The filter is a 5-pole Cheby-shev BPF with a midband frequency of 5.0GHz and an equal-ripple fractional bandwidth of 3.2%. It is fabricated using a YBCO film deposited on an MgO substrate. The measured filtering characteristics agree well with EM simulations and show a low insertion loss in spite of the small size of the filter.
- 2006-02-01
著者
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NARAHASHI Shoichi
NTT DoCoMo, INC.
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Satoh Kei
Ntt Docomo Inc. Wireless Laboratories
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KOBAYASHI Yoshio
the Department of Electrical and Electronics Engineering, Saitama University
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Kobayashi Y
The Department Of Electrical And Electronic Systems Saitama University
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Kobayashi Yoshio
The Department Of Electrical And Electronic Engineering Saitama University
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Ma Zhewang
The Department Of Electrical And Electronic Systems Saitama University
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Ma Zhewang
The Department Of Electrical And Electronic Engineering Saitama University
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Kawaguchi Tamio
The Department Of Electrical And Electronic Systems Saitama University
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KOIZUMI Daisuke
NTT DoCoMo, Inc., Wireless Laboratories
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Koizumi Daisuke
Ntt Docomo Inc. Wireless Laboratories
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Narahashi Shoichi
Wireless Laboratories Ntt Docomo Inc.
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Narahashi Shoichi
Ntt Docomo Inc.
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Narahashi Shoichi
Ntt Docomo Inc. Wireless Laboratories
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馬 哲旺
the Department of Electrical and Electronic Systems, Saitama University
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小林 禧夫
the Department of Electrical and Electronic Systems, Saitama University
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