Operational Transconductance Amplifier with Rail-to-Rail Input Stage Using Single Channel Type MOSFETs(<特集>Special Section on Analog Circuit Techniques and Related Topics)
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概要
- 論文の詳細を見る
This paper proposes a novel method to realize an input stage for a rail-to-rail operational transconductance amplifier (OTA). The proposed input stage consists of single channel type MOSFETs. Therefore no matching is necessary between n-channel MOSFETs and p-channel MOSFETs unlike conventional methods. The proposed input stage is composed of three MOSFETs which operate in plural operation regions. Nevertheless a combination of drain currents of the three MOSFETs is proportional to an input voltage which varies between two power-supply rails. A circuit configuration to realize a rail-to-rail OTA with the proposed input stage is also proposed. The operation principle and the validity of the proposed circuit are confirmed through HSPICE simulations.
- 社団法人電子情報通信学会の論文
- 2002-02-01
著者
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Sato Takahide
Department of Agricultural Chemistry, Faculty of Horticulture, Chiba University
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Sato Takahide
Department Of Communications And Integrated Systems Tokyo Institute Of Technology
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TAKAGI Shigetaka
Department of Communications and Integrated Systems, Graduate School of Science and Engineering, Tok
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Takagi Shigetaka
Department Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo
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