Kenichi OKADA


Synthesis and Automatic Layout of Resistive Digital-to-Analog Converter Based on Mixed-Signal Slice Cell
Mitsutoshi SUGAWARA Kenji MORI Zule XU Masaya MIYAHARA Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2435-2443
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: 
Keyword: 
analog synthesisRDACslice-based layoutSKILL language
 Summary | Full Text:PDF(2.2MB)

A 0.0055mm2 480µW Fully Synthesizable PLL Using Stochastic TDC in 28nm FDSOI
Dongsheng YANG Tomohiro UENO Wei DENG Yuki TERASHIMA Kengo NAKATA Aravind Tharayil NARAYANAN Rui WU Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 632-640
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
AD-PLLsynthesizablestochastic TDCstandard cellautomatic place-and-route
 Summary | Full Text:PDF(2MB)

An AM-PM Noise Mitigation Technique in Class-C VCO
Kento KIMURA Aravind THARAYIL NARAYANAN Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1161-1170
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
VCOClass-CAM-PM conversionparasitic capacitancecross coupled pairnoise sensitivity
 Summary | Full Text:PDF(1.4MB)

Digitally Assisted Analog and RF Circuits
Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/06/01
Vol. E98-C  No. 6  pp. 461-470
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
CMOSwirelessreconfigurableRFanalogDigital assistance
 Summary | Full Text:PDF(2.3MB)

A Constant-Current-Controlled Class-C Voltage-Controlled Oscillator using Self-Adjusting Replica Bias Circuit
Teerachot SIRIBURANON Wei DENG Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/06/01
Vol. E98-C  No. 6  pp. 471-479
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
low powerlow phase noiseclass-C VCOstart-upCMOSreplica-bias circuit
 Summary | Full Text:PDF(1.5MB)

A 60-GHz CMOS Transmitter with Gain-Enhanced On-Chip Antenna for Short-Range Wireless Interconnections
Rui WU Wei DENG Shinji SATO Takuichi HIRANO Ning LI Takeshi INOUE Hitoshi SAKANE Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/04/01
Vol. E98-C  No. 4  pp. 304-314
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design---Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
60-GHz transmitterCMOSon-chip antennahelium-3 ion irradiationshort-rangehigh-data-rate
 Summary | Full Text:PDF(2.2MB)

Characterization of Crossing Transmission Line Using Two-Port Measurements for Millimeter-Wave CMOS Circuit Design
Korkut Kaan TOKGOZ Kimsrun LIM Seitarou KAWAI Nurul FAJRI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/01/01
Vol. E98-C  No. 1  pp. 35-44
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
crossing transmission linede-embeddingcharacterizationmillimeter-wavereduced port
 Summary | Full Text:PDF(2.2MB)

A Variable-Supply-Voltage 60-GHz PA with Consideration of HCI Issues for TDD Operation
Rui WU Yuuki TSUKUI Ryo MINAMI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/08/01
Vol. E97-C  No. 8  pp. 803-812
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
60-GHz PAHCI issuesCMOSmixed analog-digital LDOtime division duplex
 Summary | Full Text:PDF(764.3KB)

A 20 GHz Push-Push Voltage-Controlled Oscillator Using Second-Harmonic Peaking Technique for a 60 GHz Frequency Synthesizer
Teerachot SIRIBURANON Takahiro SATO Ahmed MUSA Wei DENG Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 804-812
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
low phase noiselow powertail-current modulationimpulse sensitivity functionsuper-harmonic coupled QVCOpush-push VCO
 Summary | Full Text:PDF(2.2MB)

A Study of Stability and Phase Noise of Tail Capacitive-Feedback VCOs
Ahmed MUSA Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/04/01
Vol. E96-C  No. 4  pp. 577-585
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design—Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
VCOclass-Ccapacitive feedbackCMOSstabilityimpulse sensitivity function (ISF)
 Summary | Full Text:PDF(3.6MB)

Inter-Stage Tunable Notch Filter for a Multi-Band WCDMA Receiver
Toshihiko ITO Masaki KANEMARU Satoshi FURUYA Dong TA NGOC HUY Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/11/01
Vol. E95-C  No. 11  pp. 1776-1782
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
CMOSreceivernotch filtertunablereconfigurable
 Summary | Full Text:PDF(3.4MB)

A Wideband Common-Gate Low-Noise Amplifier Using Capacitive Feedback
Toshihiko ITO Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/10/01
Vol. E95-C  No. 10  pp. 1666-1674
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
LNAwidebandCMOScapacitive-cross-couplingcapacitive feedback
 Summary | Full Text:PDF(2.2MB)

A 0.5-V, 0.05-to-3.2 GHz LC-Based Clock Generator for Substituting Ring Oscillators under Low-Voltage Condition
Wei DENG Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1285-1296
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
0.5-Vclock generatorfrequency extensionlow-jitterLC-VCO
 Summary | Full Text:PDF(2.6MB)

Evaluation of L-2L De-Embedding Method Considering Misalignment of Contact Position for Millimeter-Wave CMOS Circuit Design
Qinghong BU Ning LI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/05/01
Vol. E95-C  No. 5  pp. 942-948
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
misalignmentde-embeddingmillimeter waveL-2L
 Summary | Full Text:PDF(1.7MB)

A Dual-Conduction Class-C VCO for a Low Supply Voltage
Kenichi OKADA You NOMIYAMA Rui MURAKAMI Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/02/01
Vol. E95-A  No. 2  pp. 506-514
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
VCOclass-Cdual conductionCMOSlow supply voltageimpulse sensitivity function (ISF)
 Summary | Full Text:PDF(1.3MB)

Two-Stage Band-Selectable CMOS Power Amplifiers Using Inter-Stage Frequency Tuning
JeeYoung HONG Daisuke IMANISHI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 290-296
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
CMOSpower amplifiertransformer
 Summary | Full Text:PDF(2MB)

A 24 dB Gain 51–68 GHz Common Source Low Noise Amplifier Using Asymmetric-Layout Transistors
Ning LI Keigo BUNSEN Naoki TAKAYAMA Qinghong BU Toshihide SUZUKI Masaru SATO Yoichi KAWANO Tatsuya HIROSE Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/02/01
Vol. E95-A  No. 2  pp. 498-505
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
asymmetric-layoutlow noise amplifiermm-Wave60 GHz
 Summary | Full Text:PDF(1.8MB)

Topology and Design Considerations of 60 GHz CMOS LNAs for Noise Performance Improving
Ning LI Qinghong BU Kota MATSUSHITA Naoki TAKAYAMA Shogo ITO Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/12/01
Vol. E94-C  No. 12  pp. 1881-1888
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
low noise amplifierCMOSmm-wave integrated circuit60 GHz
 Summary | Full Text:PDF(2.2MB)

Tunable CMOS Power Amplifiers for Reconfigurable Transceivers
JeeYoung HONG Daisuke IMANISHI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2394-2401
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
CMOSpower amplifiertunablereconfigurable
 Summary | Full Text:PDF(2.5MB)

Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate
Yuya ONO Takuichi HIRANO Kenichi OKADA Jiro HIROKAWA Makoto ANDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 1008-1015
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
silicon CMOSmicrostrip linepropagation constantdummy filleigenmode analysisperiodic structuremillimeter wave
 Summary | Full Text:PDF(1.9MB)

Measurement of Integrated PA-to-LNA Isolation on Si CMOS Chip
Ryo MINAMI JeeYoung HONG Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 1057-1060
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
CMOSpower amplifiersubstrate couplingTx leakagemutual coupling
 Summary | Full Text:PDF(532.2KB)

A Low-Noise and Highly-Linear Transmitter with Envelope Injection Pre-Power Amplifier for Multi-Mode Radio
Shouhei KOUSAI Daisuke MIYASHITA Junji WADATSUMI Rui ITO Takahiro SEKIGUCHI Mototsugu HAMADA Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 592-602
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
multi-mode radiowideband transmitteractive matchingenvelope injection
 Summary | Full Text:PDF(2.1MB)

Analysis of Phase Noise Degradation Considering Switch Transistor Capacitances for CMOS Voltage Controlled Oscillators
Rui MURAKAMI Shoichi HARA Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 777-784
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
CMOSVCOinductorphase noisequality factormultiple divideswitched capacitor
 Summary | Full Text:PDF(1MB)

A Wide-Tunable LC-Based Voltage-Controlled Oscillator Using a Divide-by-N Injection-Locked Frequency Divider
Shoichi HARA Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 763-769
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
CMOSVCOdividerinductor
 Summary | Full Text:PDF(2.1MB)

A De-Embedding Method Using Different-Length Transmission Lines for mm-Wave CMOS Device Modeling
Naoki TAKAYAMA Kota MATSUSHITA Shogo ITO Ning LI Keigo BUNSEN Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 812-819
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
de-embeddingS-parameter measurementmm-waveRF CMOStransmission line
 Summary | Full Text:PDF(3.3MB)

The Optimum Design Methodology of Low-Phase-Noise LC-VCO Using Multiple-Divide Technique
Shoichi HARA Rui MURAKAMI Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 424-430
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOSVCOdividerinductor
 Summary | Full Text:PDF(558.8KB)

Evaluation of a Multi-Line De-Embedding Technique up to 110 GHz for Millimeter-Wave CMOS Circuit Design
Ning LI Kota MATSUSHITA Naoki TAKAYAMA Shogo ITO Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 431-439
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOS amplifiertransmission linemillimeter wavede-embedding60 GHz
 Summary | Full Text:PDF(1.2MB)

Tunable CMOS LNA Using a Variable Inductor for a Reconfigurable RF Circuit
Hirotaka SUGAWARA Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 401-410
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
reconfigurable RFvariable inductorLNAMEMS
 Summary | Full Text:PDF(1.5MB)

Spatial Sensitivity of Capacitors in Distributed Resonators and Its Application to Fine and Wide Frequency Tuning Digital Controlled Oscillators
Win CHAIVIPAS Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 918-927
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
digital controlled oscillatorstransmission linefrequency tuning
 Summary | Full Text:PDF(758.8KB)

Analysis of CMOS Transconductance Amplifiers for Sampling Mixers
Ning LI Win CHAIVIPAS Kenichi OKADA Akira MATSUZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 871-878
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
Windowed integrationmoving averagetransconductance amplifiersampling mixer
 Summary | Full Text:PDF(619.2KB)

Reconfigurable RF CMOS Circuit for Cognitive Radio
Kazuya MASU Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 10-13
Type of Manuscript:  INVITED PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: 
Keyword: 
CMOSreconfigurable RF circuitcognitive radio
 Summary | Full Text:PDF(528.6KB)

Low-Loss Distributed Constant Passive Devices Using Wafer-Level Chip Scale Package Technology
Hiroyuki ITO Hideyuki SUGITA Kenichi OKADA Tatsuya ITO Kazuhisa ITOI Masakazu SATO Ryozo YAMAUCHI Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/03/01
Vol. E90-C  No. 3  pp. 641-643
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
wafer-level chip scale packageRF CMOSpassive device
 Summary | Full Text:PDF(290KB)

Statistical Modeling of a Via Distribution for Yield Estimation
Takumi UEZONO Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/12/01
Vol. E89-A  No. 12  pp. 3579-3584
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Interconnect
Keyword: 
via distributionyield estimationwire length distribution
 Summary | Full Text:PDF(518.5KB)

RF Passive Components Using Metal Line on Si CMOS
Kazuya MASU Kenichi OKADA Hiroyuki ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 681-691
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
Si CMOSon-chip passiveinterconnecttransmission lineinductorvariable inductorreconfigurable RF circuit
 Summary | Full Text:PDF(1.6MB)

Evaluation of X Architecture Using Interconnect Length Distribution
Hidenari NAKASHIMA Naohiro TAKAGI Junpei INOUE Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3437-3444
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Interconnect
Keyword: 
X architectureinterconnect length distributionILDRent's ruleall-directional interconnect
 Summary | Full Text:PDF(1.5MB)

Wire Length Distribution Model for System LSI
Takanori KYOGOKU Junpei INOUE Hidenari NAKASHIMA Takumi UEZONO Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3445-3452
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Interconnect
Keyword: 
wire length distributioncore utilizationSoClayout-area allocation
 Summary | Full Text:PDF(1.5MB)

Circuit Performance Prediction Considering Core Utilization with Interconnect Length Distribution Model
Hidenari NAKASHIMA Junpei INOUE Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3358-3366
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Prediction and Analysis
Keyword: 
interconnectlayout compactionphysical designplacementcore utilization
 Summary | Full Text:PDF(2MB)

Dynamic Communication Zone Control Method on Autonomous Decentralized Based Roadside Network Infrastructure
Masashi HIRAIWA Hiromitsu ASAKURA Tateki NARITA Tomoyuki YASHIRO Hiroshi SHIGENO Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1786-1799
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Network
Keyword: 
autonomous decentralized system (ADS)intelligent transportation system (ITS)dynamic zone controlcommunication protocoldistributed system
 Summary | Full Text:PDF(2MB)

Wide Tuning Range LC-VCO Using Variable Inductor for Reconfigurable RF Circuit
Yoshiaki YOSHIHARA Hirotaka SUGAWARA Hiroyuki ITO Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 507-512
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
VCOoscillatorvariable inductorreconfigurable RF circuit
 Summary | Full Text:PDF(525.6KB)

Promotion of Multiparty Conference in Collaborative Virtual Environments
Kentaro FUKUI Kensaku HONDA Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2540-2547
Type of Manuscript:  INVITED PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: 
Keyword: 
CSCWgroupwareawarenessvirtual realityremote conference
 Summary | Full Text:PDF(1.1MB)

High Density Differential Transmission Line Structure on Si ULSI
Hiroyuki ITO Kenichi OKADA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 942-948
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
differential transmission lineSi ULSIcrosstalkbus lineinterconnect density
 Summary | Full Text:PDF(641.4KB)

Design Optimization Methodology for On-Chip Spiral Inductors
Kenichi OKADA Hiroaki HOSHINO Hidetoshi ONODERA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 933-941
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
spiral inductorresponse surface methodoptimizationquality factor
 Summary | Full Text:PDF(1000.8KB)

Statistical Gate-Delay Modeling with Intra-Gate Variability
Kenichi OKADA Kento YAMAOKA Hidetoshi ONODERA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/12/01
Vol. E86-A  No. 12  pp. 2914-2922
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Parasitics and Noise
Keyword: 
intra-chip variabilitystatistical timing analysisintra-gate variabilitymanufacturing fluctuation
 Summary | Full Text:PDF(677.1KB)

Realistic Delay Calculation Based on Measured Intra-Chip and Inter-Chip Variabilities with the Size Dependence
Kenichi OKADA Hidetoshi ONODERA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/04/01
Vol. E86-A  No. 4  pp. 746-751
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
intra-chip variabilitystatistical timing analysismanufacturing fluctuation
 Summary | Full Text:PDF(384.7KB)

Statistical Modeling of Device Characteristics with Systematic Variability
Kenichi OKADA Hidetoshi ONODERA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 529-536
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
MOSFETvariabilitysystematicstochastic
 Summary | Full Text:PDF(325.2KB)

Layout Dependent Matching Analysis of CMOS Circuits
Kenichi OKADA Hidetoshi ONODERA Keikichi TAMARU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 348-355
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOSmatchingmicro-loading-effectfluctuation
 Summary | Full Text:PDF(168.8KB)