A Method for Reducing Capacitance Ratios in Switched-Capacitor Circuits
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概要
- 論文の詳細を見る
In this paper, a method for reducing capacitance ratios in switched-capacitor circuits is proposed for reducing chip size. In conventional methods, the charge in a capacitor is split among several capacitors, and small capacitance is realized equivalently. Consequently, the capacitance ratios can be reduced. However, the conventional switched-capacitor circuits have disadvantage to be highly sensitive to parasitic capacitances. In this paper, we propose a novel charge split circuit which compensates the effects of parasitic capacitances. The proposed method is effective in implementing filter transfer functions with small coefficient values. As an example, the proposed method is applied for implementing FIR type filters with a parallel cyclic type circuit. This results in that the capacitance ratios can be reduced and the filter performance cannot be deteriorated by parasitic capacitances.
- 東海大学の論文
著者
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TAKAHASHI Nobuaki
Department of Applied Physics, National Defense Academy
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Hirata Yoshinori
Department Of Electronics School Of Engineering
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Hirata Yoshinori
Department Of Chemistry Faculty Of Science Kanagawa University
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Takebe Tsuyoshi
Department of Information and Computer Engineering, Faculty of Technology, Kanazawa Institute of Tec
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Takebe Tsuyoshi
Department Of Information And Computer Engineering Faculty Of Technology Kanazawa Institute Of Techn
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HASHIMOTO Mitsuru
Course of Electronics, Graduate School of Engineering
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Takebe Tsuyoshi
Department Of Information And Computer Engineering Faculty Of Technology Kanazawa Institute Of Techn
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Takahashi Nobuaki
Department Of Electronics School Of Engineering
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Hashimoto Mitsuru
Course Of Electronics Graduate School Of Engineering
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Takahashi Nobuaki
Department Of Applied Physics National Defense Academy
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