Spurious Suppression Effect by Transmit Bandpass Filters with HTS Dual-Mode Resonators for 5GHz Band
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概要
- 論文の詳細を見る
We report on the spurious suppression effect in low-microwave power transmitters by high temperature superconducting (HTS) bandpass filters (BPFs) which are promising for devices requiring BPFs with high-frequency selectivity. Some of the major issues on the power BPFs with HTS planar circuits for wireless communication applications are reviewed. As a case study for the HTS filter and its spurious suppression effect, this paper describes an example of the measured power spectrum density (PSD) on the suppression effect by one of our developed power BPFs with YBCO films for the 5GHz band. It was designed with equivalent cascade resonators of 16 poles. We demonstrated the effect by HTS power filter in a power amplifier for the 5GHz band.
- （社）電子情報通信学会の論文
- 2009-03-01
著者
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KURIHARA Kazuaki
Fujitsu Laboratories Ltd.
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AKASEGAWA Akihiko
Fujitsu Ltd. & Fujitsu Laboratories Ltd.
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NAKANISHI Teru
Fujitsu Ltd. & Fujitsu Laboratories Ltd.
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YAMANAKA Kazunori
Fujitsu Ltd. & Fujitsu Laboratories Ltd.
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Nakanishi Teru
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Kurihara Kazuaki
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Kurihara Kazuaki
Fujitsu Laboratories Inorganic Materials & Polymers Laboratory
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Yamanaka Kazunori
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Yamanaka Kazunori
Fujitsu Laboratories Ltd.
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Akasegawa Akihiko
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Akasegawa Akihiko
Fujitsu Ltd. & Fujitsu Laboratories Ltd.
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Yamanaka Koji
Fujitsu Limited & Fujitsu Laboratories Ltd.
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ISHII Masatoshi
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Ishii Masatoshi
Fujitsu Limited & Fujitsu Laboratories Ltd.
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Ishii Masatoshi
Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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