Toshimasa MATSUOKA


Behavior-Level Analysis of a Successive Stochastic Approximation Analog-to-Digital Conversion System for Multi-Channel Biomedical Data Acquisition
Sadahiro TANI Toshimasa MATSUOKA Yusaku HIRAI Toshifumi KURATA Keiji TATSUMI Tomohiro ASANO Masayuki UEDA Takatsugu KAMATA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-A  No. 10  pp. 2073-2085
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
SAR-ADCDAC error calibrationstochastic A/D conversionmismatchmachine learning
 Summary | Full Text:PDF(2.1MB)

A Design of 0.7-V 400-MHz All-Digital Phase-Locked Loop for Implantable Biomedical Devices
Jungnam BAE Saichandrateja RADHAPURAM Ikkyun JO Weimin WANG Takao KIHARA Toshimasa MATSUOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/04/01
Vol. E99-C  No. 4  pp. 431-439
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design---Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
all-digital phase-locked loopcontrollerdigitally-controlled oscillatorphase interpolatorCMOSMICS
 Summary | Full Text:PDF(1.7MB)

A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator
Jungnam BAE Saichandrateja RADHAPURAM Ikkyun JO Takao KIHARA Toshimasa MATSUOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1179-1186
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
digitally-controlled oscillatorΔΣ modulatordynamic element matchingdata-weighted averagingclocked averagingCMOSMICS
 Summary | Full Text:PDF(1.6MB)

A Wide Dynamic Range Variable Gain Amplifier with Enhanced IP1 dB and Temperature Compensation
Hisayasu SATO Takaya MARUYAMA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/08/01
Vol. E94-C  No. 8  pp. 1311-1319
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
VGA1 dB compression pointnoise figurewirelesstransceiverIIP3
 Summary | Full Text:PDF(1.1MB)

A Transformer Noise-Canceling Ultra-Wideband CMOS Low-Noise Amplifier
Takao KIHARA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/02/01
Vol. E93-C  No. 2  pp. 187-199
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
CMOSlow-noise amplifier (LNA)noise cancellationultra-wideband (UWB)transformer
 Summary | Full Text:PDF(1MB)

Low-Voltage Wireless Analog CMOS Circuits toward 0.5 V Operation
Toshimasa MATSUOKA Jun WANG Takao KIHARA Hyunju HAM Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 356-366
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analogRFCMOSforward body biasingtransformerstochastic resonance
 Summary | Full Text:PDF(1.4MB)

Application of Noise-Enhanced Detection of Subthreshold Signals for Communication Systems
Hyunju HAM Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/04/01
Vol. E92-A  No. 4  pp. 1012-1018
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies Emerging Mainly from the 21st Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
noisestochastic resonancestatistical processingcommunications system
 Summary | Full Text:PDF(609.3KB)

A 0.5 V Area-Efficient Transformer Folded-Cascode CMOS Low-Noise Amplifier
Takao KIHARA Hae-Ju PARK Isao TAKOBE Fumiaki YAMASHITA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/04/01
Vol. E92-C  No. 4  pp. 564-575
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
CMOSlow-noise amplifier (LNA)low voltagetransformer
 Summary | Full Text:PDF(1.4MB)

Design of a 0.5 V Op-Amp Based on CMOS Inverter Using Floating Voltage Sources
Jun WANG Tuck-Yang LEE Dong-Gyou KIM Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/08/01
Vol. E91-C  No. 8  pp. 1375-1378
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
operational amplifierCMOS inverterfloating voltage sourceforward body bias
 Summary | Full Text:PDF(274.4KB)

Analytical Expression Based Design of a Low-Voltage FD-SOI CMOS Low-Noise Amplifier
Takao KIHARA Guechol KIM Masaru GOTO Keiji NAKAMURA Yoshiyuki SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 317-325
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
low-noise amplifier (LNA)FD-SOI CMOSnoiselinearitylow-voltage
 Summary | Full Text:PDF(795.5KB)

Accurate Small-Signal Modeling of FD-SOI MOSFETs
Guechol KIM Yoshiyuki SHIMIZU Bunsei MURAKAMI Masaru GOTO Keisuke UEDA Takao KIHARA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 517-519
Type of Manuscript:  Special Section LETTER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
FD-SOIMOSFETRFmodelingnon-quasi-static
 Summary | Full Text:PDF(237.8KB)

Wired CDMA Interface with Adaptivity for Interconnect Capacitances
Tsukasa IDA Shinsaku SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2702-2706
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
CMOS analog circuitvariable gain amplifierCDMA
 Summary | Full Text:PDF(222.2KB)

Ultralow-Power Current Reference Circuit with Low Temperature Dependence
Tetsuya HIROSE Toshimasa MATSUOKA Kenji TANIGUCHI Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1142-1147
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Building Block
Keyword: 
CMOSreferencesubthresholdweak inversionlow powertemperature dependence
 Summary | Full Text:PDF(378.8KB)

CMOS Front-End Circuits of Dual-Band GPS Receiver
Yoshihiro UTSUROGI Masaki HARUOKA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1275-1279
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: RF
Keyword: 
dual-band GPS receiverL1/L2LNAimage-reject mixerimage-rejection ratio (IMRR)
 Summary | Full Text:PDF(691.4KB)

A New Inductance Extraction Technique of On-Wafer Spiral Inductor Based on Analytical Interconnect Formula
Hideki SHIMA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 824-828
Type of Manuscript:  Special Section PAPER (Special Section on Microelectronic Test Structures)
Category: 
Keyword: 
spiral inductorsinterconnectclosed-form expressioninductance extractionanalytical technique
 Summary | Full Text:PDF(984.3KB)

A CMOS IF Variable Gain Amplifier with Exponential Gain Control
Sungwoo CHA Tetsuya HIROSE Masaki HARUOKA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 410-415
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
variable gain amplifierVGAlinearized transconductancelinear-in-dB characteristicsexponential gain controlCMOS
 Summary | Full Text:PDF(743.4KB)

High Speed and Noise Tolerant Parallel Bus Interface for VLSI Systems Using Multi Bit Code Division Multiple Access
Shinsaku SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1923-1927
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
parallel-CDMA interfacenoise tolerancemulti-bit transmission
 Summary | Full Text:PDF(739.5KB)

Watch-Dog Circuit for Quality Guarantee with Subthreshold MOSFET Current
Tetsuya HIROSE Ryuji YOSHIMURA Toru IDO Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1910-1914
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
CMOSsubthreshold currentultra-low-powertemperature dependence
 Summary | Full Text:PDF(605.8KB)

CMOS Demodulator for Short-Range Wireless Interconnection Using ASK/CDMA Technique
Hideyuki FURUYA Sungwoo CHA Yoshiyuki SHIMIZU Masaki HARUOKA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2719-2721
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
CMOSCDMAASKwireless interconnect
 Summary | Full Text:PDF(200.8KB)

Threshold Voltage Mismatch of FD-SOI MOSFETs
Yoshiyuki SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 1013-1014
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
threshold voltageFD-SOIfloating body effectDIBL
 Summary | Full Text:PDF(134.4KB)

A New Analog Correlator Circuit for DS-CDMA Wireless Applications
Mostafa A. R. ELTOKHY Boon-Keat TAN Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/05/01
Vol. E86-A  No. 5  pp. 1294-1301
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
code division multiple accessanalog correlatordemodulation processswitched-capacitor circuitsspread spectrum
 Summary | Full Text:PDF(904KB)

A Low-Voltage SOI-CMOS LC-Tank VCO with Double-Tuning Technique Using Lateral P-N Junction Variable Capacitance
Mitsuo NAKAMURA Hideki SHIMA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Vol. E85-C  No. 7  pp. 1428-1435
Type of Manuscript:  Special Section PAPER (Special Issue on Silicon RF Device & Integrated Circuit Technologies)
Category: 
Keyword: 
voltage controlled oscillatorwireless communicationCMOSSOIdouble-tuning
 Summary | Full Text:PDF(1.1MB)

Dynamically Programmable Parallel Processor (DPPP): A Novel Reconfigurable Architecture with Simple Program Interface
Boon-Keat TAN Ryuji YOSHIMURA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/11/01
Vol. E84-D  No. 11  pp. 1521-1527
Type of Manuscript:  Special Section PAPER (Special Issue on Function Integrated Information Systems)
Category: 
Keyword: 
CDMA busparallel processinginterconnection topologyrouting flexibilityfault tolerant
 Summary | Full Text:PDF(1.6MB)

A Novel Dynamically Programmable Arithmetic Array (DPAA) Processor for Digital Signal Processing
Boon-Keat TAN Ryuji YOSHIMURA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/03/01
Vol. E84-A  No. 3  pp. 741-747
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
DPAADSPparallel processinginterconnection topologyrouting flexibility
 Summary | Full Text:PDF(573.4KB)

Thickness Dependence of Furnace N2O-Oxynitridation Effects on Breakdown of Thermal Oxides
Toshimasa MATSUOKA Shigenari TAGUCHI Kenji TANIGUCHI Chihiro HAMAGUCHI Seizo KAKIMOTO Junkou TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/03/25
Vol. E78-C  No. 3  pp. 248-254
Type of Manuscript:  Special Section PAPER (Special Issue on Sub-1/4 Micron Device and Process Technologies)
Category: 
Keyword: 
N2O-oxynitridationcharge-to-breakdownthin dielectricsMOS structuredielectric reliability
 Summary | Full Text:PDF(615.9KB)