Spurious Suppression Effect by Transmit Bandpass Filters with HTS Dual-Mode Resonators for 5 GHz Band
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- YAMANAKA Kazunori
- Fujitsu Limited & Fujitsu Laboratories Ltd.
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- KURIHARA Kazuaki
- Fujitsu Limited & Fujitsu Laboratories Ltd.
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- AKASEGAWA Akihiko
- Fujitsu Limited & Fujitsu Laboratories Ltd.
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- ISHII Masatoshi
- Fujitsu Limited & Fujitsu Laboratories Ltd.
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- NAKANISHI Teru
- Fujitsu Limited & Fujitsu Laboratories Ltd.
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説明
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.
収録刊行物
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- IEICE Transactions on Electronics
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IEICE Transactions on Electronics E92-C (3), 288-295, 2009
一般社団法人 電子情報通信学会
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詳細情報 詳細情報について
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- CRID
- 1390001204374800512
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- NII論文ID
- 10026821226
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- NII書誌ID
- AA10826283
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- ISSN
- 17451353
- 09168524
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可