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The proposed \ncircuit that used the optimal value was evaluated by using HSPICE-RF. The results show that the operation \nof the circuit as an even-harmonic mixer is confirmed. Furthermore, the conversion gain to the baseband of the \nproposed circuit can be improved by 4 dB as deriving the theory. 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ダイレクトコンバージョン方式受信機のための偶高調波ミキサの高利得化に関する研究
http://hdl.handle.net/10458/837
http://hdl.handle.net/10458/83751aad32b-bdda-467d-b2a2-85d6556e2b6b
名前 / ファイル | ライセンス | アクション |
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KJ00004682867.pdf (665.8 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-10-30 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | ダイレクトコンバージョン方式受信機のための偶高調波ミキサの高利得化に関する研究 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Research for Gain Boost Technique in an Even-Harmonic Mixer for Direct-conversion Receivers | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Even harmonic mixer, Direct conversion, Conversion gain, The transconductance parameter(K) | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | ダイレクト コンバージョン ホウシキ ジュシンキ ノ タメノ グウコウチョウハ ミキサ ノ コウリトクカ ニ カンスル ケンキュウ | |||||
言語 | ja-Kana | |||||
著者 |
井手, 敏雄
× 井手, 敏雄× 淡野, 公一× 田村, 宏樹× 外山, 貴子× Ide, Toshio |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In recent years, the wireless communication systems have been changing rapidly. In order to realize the portable electric devices, the miniaturization, light weight and low cost of the devices are very important issues, and longer life of the battery is also desired. The implementation of RF analog circuits and the baseband digital circuits in the same chip by using CMOS technology leads to the capability of reducing the size, weight, cost and power. However, the implementation is very difficult because RF CMOS circuit technology cannot be established. In this paper, the optimal design to improve the conversion gain of the even-harmonic mixer used in the direct conversion receivers is proposed. The RF signal input terminal of MOSFET's transconductance parameter(K) is not changed in consideration of the influence of parasitic capacitance in the imput terminal, but the LO signal input terminal is changed. Under these conditions, the optimal value could be derived. The proposed circuit that used the optimal value was evaluated by using HSPICE-RF. The results show that the operation of the circuit as an even-harmonic mixer is confirmed. Furthermore, the conversion gain to the baseband of the proposed circuit can be improved by 4 dB as deriving the theory. The circuit using the optimal value is very useful for high- gain even-harmonic mixers. |
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言語 | en | |||||
書誌情報 |
ja : 宮崎大学工学部紀要 en : Memoirs of Faculty of Engineering, University of Miyazaki 巻 36, p. 57-64, 発行日 2007-08-30 |
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出版者 | ||||||
言語 | ja | |||||
出版者 | 宮崎大学工学部 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Faculty of Engineering, University of Miyazaki | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 05404924 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00732558 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |