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Dive into the research topics where Kawori Takakubo is active.

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Featured researches published by Kawori Takakubo.


IEEE Transactions on Circuits and Systems I-regular Papers | 1994

Voltage-mode CMOS chaos generator and observation of internal states with a bitmap memory

Hajime Takakubo; Kawori Takakubo; R.A. Mangaser; Katsufusa Shono

A feedback circuit consisting of a three-stage array of weighted CMOS inverters, two CMOS transmission gates and a holding capacitance generates chaos. Trajectories can be designed from the transfer characteristics of the three-stage array of weighted CMOS inverters, which directly produces a nonlinear mapping function. The chaotic trajectories were observed via a bitmap display. >


world congress on computational intelligence | 1994

Observation and computation of chaos internal states

Katsufusa Shono; Hajime Takakubo; Kawori Takakubo

A cross coupled circuit consisting of three-stage array of weighted CMOS inverters with CMOS transmission gates generates chaos. An observation of chaos internal states through AD conversion is performed by a repeated trace of a trajectory. A predictability of internal states for chaos future is described.<<ETX>>


IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | 2001

A Rail-to-Rail CMOS Voltage Follower under Low Power Supply Voltage

Kawori Takakubo; Hajime Takakubo; Shigetaka Takagi; Nobuo Fujii


Ieej Transactions on Electronics, Information and Systems | 2009

PTAT Voltage Generator under Ultra Low Power Supply with Two Subthreshold MOSFETs between Rails

Kawori Takakubo; Hajime Takakubo


IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | 2000

Low voltage OTA using two-MOSFET Subtractor between rails

Kawori Takakubo; Shigetaka Takagi; Hajime Takakubo; Nobuo Fujii


Ieej Transactions on Electronics, Information and Systems | 2009

Body Effect Compensation Method on Two Subthreshold MOSFETs Citcuitry between Rails

Kawori Takakubo; Ryo Shimoda; Hajime Takakubo


Ieej Transactions on Electronics, Information and Systems | 2009

Improvement of Subthreshold MOSFET Characteristics Employing Field Effect Bipolar Transistor

Kawori Takakubo; Hajime Takakubo


Ieej Transactions on Electronics, Information and Systems | 2009

Operation of Current Mirror Circuit with Subthreshold MOSFETs

Kawori Takakubo; Tarou Yoshizaki; Hajime Takakubo


電気学会研究会資料. ECT, 電子回路研究会 | 2006

DC-DC Converter using PDM Conversion with Delta Sigma Modulator

Shogo Fukuda; Kawori Takakubo; Hajime Takakubo


Proceedings of the IEICE General Conference | 2004

A-1-7 Low Voltage Generater consisting of MOSFET

Kenji Kubozono; Hajime Takakubo; Kawori Takakubo

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Nobuo Fujii

Tokyo Institute of Technology

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Shigetaka Takagi

Tokyo Institute of Technology

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Akira Yamada

Tokyo Institute of Technology

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Hideaki Okazaki

Shonan Institute of Technology

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Hikaru Mizutani

Shonan Institute of Technology

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Hiroshi Tamura

Niigata Institute of Technology

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Hiroyoshi Miwa

Kwansei Gakuin University

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