Tetsuro ITAKURA


A Replica-Amp Gain Enhancement Technique for an Operational Amplifier with Low Mismatch Sensitivity and High Voltage Swing
Junya MATSUNO Masanori FURUTA Tetsuro ITAKURA Tatsuji MATSUURA Akira HYOGO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/02/01
Vol. E99-A  No. 2  pp. 547-554
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
opampgain enhancementreplica amplifier
 Summary | Full Text:PDF(2.4MB)

A Wide Bandwidth Analog Baseband Circuit for 60-GHz Proximity Wireless Communication Receiver in 65-nm CMOS
Masanori FURUTA Hidenori OKUNI Masahiro HOSOYA Akihide SAI Junya MATSUNO Shigehito SAIGUSA Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 492-499
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
time-interleavedSARADCdynamicT/H circuithigh-speedlow-power
 Summary | Full Text:PDF(2.3MB)

A 36-mW 1.5-GS/s 7-Bit Time-Interleaved SAR ADC Using Source Follower Based Track-and-Hold Circuit in 65-nm CMOS
Masanori FURUTA Ippei AKITA Junya MATSUNO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/07/01
Vol. E96-A  No. 7  pp. 1552-1561
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
time-interleavedSARADCdynamicT/H circuithigh-speedlow-power
 Summary | Full Text:PDF(1.8MB)

Phase Compensation Techniques for Low-Power Operational Amplifiers
Rui ITO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 730-740
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
low-poweroperational amplifier (opamp)phase-compensation
 Summary | Full Text:PDF(2.5MB)

A Direct Conversion Receiver Adopting Balanced Three-Phase Analog System
Takafumi YAMAJI Takeshi UENO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 367-374
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
balanced 3-phase systemdirect conversion receiverΔΣADC
 Summary | Full Text:PDF(512.7KB)

A 0.9-V 12-bit 40-MSPS Pipeline ADC for Wireless Receivers
Tomohiko ITO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 395-401
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
A/DADCpipelinepseudodifferential amplifierI/Q sharingCMFBcommon-mode feedback
 Summary | Full Text:PDF(1.1MB)

FOREWORD
Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 355-355
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(50.5KB)

A Novel Automatic Quality Factor Tuning Scheme for a Low-Power Wideband Active-RC Filter
Shouhei KOUSAI Mototsugu HAMADA Rui ITO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 411-420
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
active-RCLPFquality factor tuning
 Summary | Full Text:PDF(1.6MB)

55-mW, 1.2-V, 12-bit, 100-MSPS Pipeline ADCs for Wireless Receivers
Tomohiko ITO Daisuke KUROSE Takeshi UENO Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 887-893
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
A/DADCpipelinelow poweramplifierpseudo-differential amplifierI/Q sharing
 Summary | Full Text:PDF(970.9KB)

1.2 V, 24 mW/ch, 10 bit, 80 MSample/s Pipelined A/D Converters
Takeshi UENO Tomohiko ITO Daisuke KUROSE Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 454-460
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
pipelined A/D converteramplifier sharingcommon-sourcecommon-mode feedforward
 Summary | Full Text:PDF(806.7KB)

A Low-Power Low-Noise Clock Signal Generator for Next-Generation Mobile Wireless Terminals
Akihide SAI Daisuke KUROSE Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 557-560
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
clock generatorjitterPLLAnalog-to-Digital Converter (ADC)
 Summary | Full Text:PDF(384.1KB)

A Fast fc Automatic Tuning Circuit with Wide Tuning Range for WCDMA Direct Conversion Receiver Systems
Osamu WATANABE Rui ITO Shigehito SAIGUSA Tadashi ARAI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1247-1252
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMADCRlowpass filterfc automatic tuning
 Summary | Full Text:PDF(687.9KB)

A 1.2-V, 12-bit, 200 MSample/s Current-Steering D/A Converter in 90-nm CMOS
Takeshi UENO Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 365-371
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
D/A convertercurrent steeringlow voltageparasitic resistancetree structure
 Summary | Full Text:PDF(702KB)

Low-Power Design of 10-bit 80-MSPS Pipeline ADCs
Tomohiko ITO Daisuke KUROSE Takeshi UENO Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/07/01
Vol. E89-A  No. 7  pp. 2003-2008
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
analog-to-digital converterpipelineamplifier sharing
 Summary | Full Text:PDF(1.1MB)

A Direct Conversion Receiver for W-CDMA Reducing Current Consumption to 31 mA
Hiroshi YOSHIDA Takehiko TOYODA Makoto ARAI Ryuichi FUJIMOTO Toshiya MITOMO Masato ISHII Rui ITO Tadashi ARAI Tetsuro ITAKURA Hiroshi TSURUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1271-1274
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: RF
Keyword: 
direct conversionpower consumptionW-CDMA
 Summary | Full Text:PDF(607.4KB)

Phase Compensation Technique for a Low-Power Transconductor
Rui ITO Tetsuro ITAKURA Tadashi ARAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1263-1266
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: Building Block
Keyword: 
phase compensationdifferential-mode signalcommon-mode signaltransconductor
 Summary | Full Text:PDF(187.7KB)

A 0.9 V 1.5 mW Continuous-Time ΔΣ Modulator for W-CDMA
Takeshi UENO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 461-468
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
continuous-time ΔΣOTAlow-voltageW-CDMA
 Summary | Full Text:PDF(754.2KB)

Fully Differential Direct-Conversion Receiver for W-CDMA Reducing DC-Offset Variation
Hiroshi YOSHIDA Takehiko TOYODA Ichiro SETO Ryuichi FUJIMOTO Osamu WATANABE Tadashi ARAI Tetsuro ITAKURA Hiroshi TSURUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 901-908
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
direct conversionDC offset cancelerharmonic mixer
 Summary | Full Text:PDF(1.3MB)

A Baseband Gain-Controlled Amplifier with a Linear-in-dB Gain Range from 14 dB to 76 dB and a Fixed Corner Frequency DC Offset Canceler
Tadashi ARAI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 909-914
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
gain controlled amplifierdc offset cancelertransconductorlinearization
 Summary | Full Text:PDF(2.4MB)

A Gm-C Filter Using Multiple-Output Linearized Transconductors
Tadashi ARAI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 384-389
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
Gm-C filtermultiple-input transconductormultiple-output transconductorlinearization
 Summary | Full Text:PDF(355.9KB)

A Simple Modeling Technique for Symmetric Inductors
Ryuichi FUJIMOTO Chihiro YOSHINO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 1093-1097
Type of Manuscript:  Special Section LETTER (Special Issue on Devices and Circuits for Next Generation Multi-Media Communication Systems)
Category: 
Keyword: 
symmetric inductordevice model parameterdifferential modecommon mode
 Summary | Full Text:PDF(573.8KB)

A 380-MHz CMOS Linear-in-dB Variable Gain Amplifier with Gain Compensation Techniques for CDMA Systems
Osamu WATANABE Mitsuyuki ASHIDA Tetsuro ITAKURA Shoji OTAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 1069-1076
Type of Manuscript:  Special Section PAPER (Special Issue on Devices and Circuits for Next Generation Multi-Media Communication Systems)
Category: 
Keyword: 
variable gain amplifierVGAgain compensationtemperature compensationlinear-in-dB characteristicssquare circuitMOSFETsquare-law regionexponential-law regionCDMA
 Summary | Full Text:PDF(587.4KB)

A 1-V 2-GHz CMOS Up-Converter Using Self-Switching Mixers
Toshiyuki UMEDA Shoji OTAKA Kenji KOJIMA Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 262-267
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
low-power-supply voltagecurrent-mode mixercurrent addingself-switchDC offset canceller
 Summary | Full Text:PDF(1.4MB)

A Two-Gain-Stage Amplifier without an On-Chip Miller Capacitor in an LCD Driver IC
Tetsuro ITAKURA Hironori MINAMIZAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1913-1920
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
analog signal processingintegrated electronicsphase compensationamplifierLCD driver
 Summary | Full Text:PDF(660.1KB)

A 2-GHz Down-Converter with 3-dB Bandwidth of 600 MHz Using LO Signal Suppressing Output Buffer
Osamu WATANABE Takafumi YAMAJI Tetsuro ITAKURA Ichiro HATTORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 286-292
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog signal processingintegrated circuitdown-converter
 Summary | Full Text:PDF(944.6KB)

A 2-Vpp Linear Input-Range Fully Balanced CMOS Transconductor and Its Application to a 2.5-V 2.5-MHz Gm-C LPF
Tetsuro ITAKURA Takashi UENO Hiroshi TANIMOTO Tadashi ARAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2295-2302
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
analog signal processingintegrated electronicsfully balanced CMOS transconductorcommon-mode rejection ratio
 Summary | Full Text:PDF(2.1MB)

A Simple Phase Compensation Technique with Improved PSRR for CMOS Opamps
Tetsuro ITAKURA Tetsuya IIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 941-948
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1999 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'99))
Category: 
Keyword: 
analog signal processingintegrated electronicsCMOS opamppower supply rejection ratiophase compensation
 Summary | Full Text:PDF(1.7MB)

Design of Fully Balanced Analog Systems Based on Ordinary and/or Modified Single-Ended Opamps
Zdzis taw CZARNUL Tetsuro ITAKURA Noriaki DOBASHI Takashi UENO Tetsuya IIDA Hiroshi TANIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 256-270
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
fully balanced systemanalog circuitsintegrated circuitfilterintegratoramplifier
 Summary | Full Text:PDF(1.9MB)

10 µA Quiescent Current Opamp Design for LCD Driver ICs
Tetsuro ITAKURA Hironori MINAMIZAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/02/25
Vol. E81-A  No. 2  pp. 230-236
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques in the Digital-Oriented Era)
Category: 
Keyword: 
analog circuits and signal processingintegrated electronics CMOS opamplow power
 Summary | Full Text:PDF(595KB)

An Offset-Compensated CMOS Programmable Gain Amplifier
Takafumi YAMAJI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/02/25
Vol. E80-A  No. 2  pp. 353-355
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques for System-on-Chip Integration)
Category: 
Keyword: 
DC offsetoffset compensationTDMAanalog CMOS circuitdigital cellular
 Summary | Full Text:PDF(169.6KB)

High Output-Resistance CMOS Current Mirrors for Low-Voltage Applications
Tetsuro ITAKURA Zdzislaw CZARNUL 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/01/25
Vol. E80-A  No. 1  pp. 230-232
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
analog circuits and signal processingintegrated electronicsCMOS current mirrors
 Summary | Full Text:PDF(164KB)

1.9 GHz Si Direct Conversion Receiver IC for QPSK Modulation Systems
Chikau TAKAHASHI Ryuichi FUJIMOTO Satoshi ARAI Tetsuro ITAKURA Takashi UENO Hiroshi TSURUMI Hiroshi TANIMOTO Shuji WATANABE Kenji HIRAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 644-649
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
direct conversion receiver2nd-order distortionQPSK
 Summary | Full Text:PDF(640.6KB)

A High Slew Rate Operational Amplifier for an LCD Driver IC
Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/02/25
Vol. E78-A  No. 2  pp. 191-195
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques and Computer Aided Design)
Category: 
Keyword: 
analog circuits and signal processingintegrated electronicsoperational amplifieran LCD driver IC
 Summary | Full Text:PDF(387.5KB)

A Wide-Band LCD Segment Driver IC without Sacrificing Low Output-Offset Variation
Tetsuro ITAKURA Takeshi SHIMA Shigeru YAMADA Hironori MINAMIZAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 380-387
Type of Manuscript:  Special Section PAPER (Special Section on High-Performance MOS Analog Circuits)
Category: 
Keyword: 
analog circuits and signal processingsample-and-hold circuitintegrated electronicsLCD driver IC
 Summary | Full Text:PDF(708.4KB)