Hajime TAKAKUBO


Analysis and Modeling of Leakage Current for Four-Terminal MOSFET in Off-State and Low Leakage Switches
Kawori TAKAKUBO Toru ETO Hajime TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 421-429
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
MOSFET in off-statelow leakage currentbody effectfour-terminal MOSFETMOSFET switch
 Summary | Full Text:PDF

Wide Range CMOS Voltage Detector with Low Current Consumption and Low Temperature Variation
Kawori TAKAKUBO Hajime TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 443-450
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
voltage detectorCMOS inverterpower line operationwide rangelow current consumptionlow temperature variation
 Summary | Full Text:PDF

Four-Quadrant-Input Linear Transconductor Employing Source and Sink Currents Pair for Analog Multiplier
Masakazu MIZOKAMI Kawori TAKAKUBO Hajime TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/02/01
Vol. E89-A  No. 2  pp. 362-368
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
linear transconductorsource and sink currents pairchannel length modulationfour-quadrant analog multiplier
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CMOS Zero-Temperature-Coefficient Point Voltage Reference with Variable-Output-Voltage Level
Hidetoshi IKEDA Kawori TAKAKUBO Hajime TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 476-482
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
voltage referencezero-temperature-coefficient pointvariable-reference-voltage levelsubstrate biasCMOS
 Summary | Full Text:PDF

Drain Current Zero-Temperature-Coefficient Point for CMOS Temperature-Voltage Converter Operating in Strong Inversion
Hidetoshi IKEDA Kawori TAKAKUBO Hajime TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 370-375
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
zero-temperature-coefficient point of drain currenttemperature-voltage convertervoltage referencetemperature sensor
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Low Distortion Linear Voltage-to-Current Convertor Consisting of Twin MOSFET's Current Sources and Current Sinks Pair
Hajime TAKAKUBO Ryo WATABE Kawori TAKAKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/04/01
Vol. E86-A  No. 4  pp. 758-764
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
linear voltage-to-current convertorcurrent subtractorchannel length modulationlow distortion OTA
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Mapping Circuit for Rail-to-Rail Operation
Kawori TAKAKUBO Hajime TAKAKUBO Yohei NAGATAKE Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 350-356
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
mapping circuitinput dynamic rangelow power supplyCMOS voltage subtractorrail-to-rail operation
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A Rail-to-Rail CMOS Voltage Follower under Low Power Supply Voltage
Kawori TAKAKUBO Hajime TAKAKUBO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 537-544
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
CMOS voltage followerAB push-pullrail-to-rail operationlow power supply
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Low Voltage OTA Using Two-MOSFET Subtractors between Rails
Kawori TAKAKUBO Shigetaka TAKAGI Hajime TAKAKUBO Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 197-203
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
OTAvoltage subtractorlow power supply
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Wide Dynamic Range MOS Analog Inverter
Kawori TAKAKUBO Hajime TAKAKUBO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/04/25
Vol. E80-C  No. 4  pp. 537-543
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit Technologies for Memory and Analog LSIs)
Category: 
Keyword: 
MOS analog inverterwide dynamic rangeall-pass filter
 Summary | Full Text:PDF