Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)

The Institute of Electronics and Information Engineers (대한전자공학회)
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A Rail-to-Rail OTA Using Equivalent MOSEETs without Cutoff Region Operating in Triode and Saturation Regions

  • Nishioka, Soushirou (Faculty of Science and Technology, Tokyo University of Science) ;
  • Hyogo, Akira (Faculty of Science and Technology, Tokyo University of Science) ;
  • Sekine, Keitaro (Faculty of Science and Technology, Tokyo University of Science)
  • Published : 2002.07.01
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Abstract

In this paper, we propose a Rail-to-Rail OTA using equivalent MOSFETs without cutoff region, which operate in triode and saturation regions. The proposed circuit has a merit that its input range is not limited due to voltage drop of current mirrors. The simulation results of the proposed circuit are shown. From the simulation results, the linearity of the proposed circuit is improved when input voltage is from 2V to 3V.

Keywords