Shoji KAWAHITO


Column-Parallel ADCs for CMOS Image Sensors and Their FoM-Based Evaluations
Shoji KAWAHITO 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 444-456
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
CMOS image sensorcolumn-parallel ADCcyclic ADCdelta-sigma modulationsingle-slope ADCSAR ADCfigure of merit
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Design of a Digitally Error-Corrected Pipeline ADC Using Incomplete Settling of Pre-Charged Residue Amplifiers
Sung-Wook JUN Lianghua MIAO Keita YASUTOMI Keiichiro KAGAWA Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 828-837
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
analog-to-digital conversiondigital error correctionincomplete settling errorpre-charging technique
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Response-Time Acceleration of a Frontend Amplifier for High Output Impedance Sensors
Kamel MARS Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/09/01
Vol. E95-C  No. 9  pp. 1543-1548
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
response time accelerationlow-noise designsensor interface circuitsthermal noise
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FOREWORD
Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 921-922
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Techniques for Digitally Assisted Pipeline A/D Converters
Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 829-836
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
pipeline ADCcapacitor mismatchdigital calibrationbackground calibration
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CMOS Imaging Devices for New Markets of Vision Systems
Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 1858-1868
Type of Manuscript:  INVITED PAPER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: 
Keyword: 
CMOS image sensorpinned photodiodenoise reductionon-chip image processingA/D conversion
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Simultaneous Compensation of RC Mismatch and Clock Skew in Time-Interleaved S/H Circuits
Zheng LIU Masanori FURUTA Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 710-716
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
RC mismatchclock skewtime-interleaved ADCscompensationsampling clock phase calibration
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Design of a Small-Offset 12-Bit CMOS DAC Using Weighted Mean Sample-and-Hold Circuit
Masayuki UNO Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 702-709
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
charge-redistribution DACsmall-offset DAClow power DAChigh-speed DACflip-around sample-and-hold circuit (S/H)
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FOREWORD
Hiroto YASUURA Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/08/01
Vol. E88-C  No. 8  pp. 1704-1704
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Low-Power Design of High-Speed A/D Converters
Shoji KAWAHITO Kazutaka HONDA Masanori FURUTA Nobuhiro KAWAI Daisuke MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 468-478
Type of Manuscript:  INVITED PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: 
Keyword: 
pipeline ADCparallel-pipeline ADClow-power designpower optimization
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Design of a Charge Domain CMOS Time-of-Flight Range Image Sensor
Izhal ABDUL HALIN Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1889-1896
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
time-of-flightinverting amplifiersrange resolutionactive illumination
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A Digital Calibration Technique of Capacitor Mismatch for Pipelined Analog-to-Digital Converters
Masanori FURUTA Shoji KAWAHITO Daisuke MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/08/01
Vol. E85-C  No. 8  pp. 1562-1568
Type of Manuscript:  Special Section PAPER (Special Issue on High-Performance Analog Integrated Circuits)
Category: 
Keyword: 
pipelined ADCparallel pipelined ADCdigital calibrationerror measurement
 Summary | Full Text:PDF

Low-Power Area-Efficient Design of Embedded High-Speed A/D Converters
Daisuke MIYAZAKI Shoji KAWAHITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/11/25
Vol. E83-C  No. 11  pp. 1724-1732
Type of Manuscript:  Special Section PAPER (Special Issue on Low-power LSIs and Technologies)
Category: 
Keyword: 
analog design methodhigh-speed A/D converterlow-power design
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On Sensor Motion Vector Estimation with Iterative Block Matching and Non-Destructive Image Sensing
Dwi HANDOKO Shoji KAWAHITO Yoshiaki TADOKORO Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/09/25
Vol. E82-C  No. 9  pp. 1755-1763
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms)
Category: Imaging Circuits and Algorithms
Keyword: 
motion vector estimationCMOS image sensornon-destructive image sensinglow power design
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A Low-Power A/D Conversion Technique Using Correlation of Moving Pictures
Shoji KAWAHITO Junichi NAKA Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/09/25
Vol. E82-C  No. 9  pp. 1764-1771
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms)
Category: Imaging Circuits and Algorithms
Keyword: 
A/D converterlow power designCMOS image sensormoving picture correlation
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Low-Power Area-Efficient Pipelined A/D Converter Design Using a Single-Ended Amplifier
Daisuke MIYAZAKI Shoji KAWAHITO Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 293-300
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
pipelined A/D convertersingle-ended amplifierlow power designportable video device
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An Analog Two-Dimensional Discrete Cosine Transform Processor for Focal-Plane Image Compression
Shoji KAWAHITO Makoto YOSHIDA Yoshiaki TADOKORO Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/02/25
Vol. E80-A  No. 2  pp. 283-290
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques for System-on-Chip Integration)
Category: 
Keyword: 
discrete cosine transformanalog parallel processingfocal-plane image compressionsmart image sensorswitched capacitor ciruits
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A Discrete Fourier Analyzer Based on Analog VLSI Technology
Shoji KAWAHITO Kazuyuki TAKEDA Takanori NISHIMURA Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/07/25
Vol. E77-C  No. 7  pp. 1049-1056
Type of Manuscript:  Special Section PAPER (Special Issue on Super Chip for Intelligent Integrated Systems)
Category: 
Keyword: 
integrated electronicsdiscrete Fourier transformanalog VLSIcurrent-mode circuits
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VLSI-Oriented Multiple-Valued Current-Mode Arithmetic Circuits Using Redundant Number Representations
Shoji KAWAHITO Yasuhiro MITSUI Tetsuro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/03/25
Vol. E76-C  No. 3  pp. 446-454
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple-Valued Integrated Circuits)
Category: 
Keyword: 
multiple-valued logicmultiple-valued current-mode circuitscarry-propagation-free additionhigh-speed arithmeticVLSI
 Summary | Full Text:PDF

A Wide-Dynamic-Range Optical Receiver for Biotelemetry System
Nobuo KARITA Shoji KAWAHITO Makoto ISHIDA Shunji NAGAOKA Shiro USUI Tetsuro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1991/05/25
Vol. E74-D  No. 5  pp. 1343-1344
Type of Manuscript:  LETTER
Category: Medical Electronics and Medical Information
Keyword: 
 Summary | Full Text:PDF