Nobuo FUJII


Over Current Protection for PFM Control DC-DC Converter
Kouhei YAMADA Satoshi SUGAHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/05/01
Vol. E92-A  No. 5  pp. 1301-1307
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
DC-DC converterPFMover current protectionbottom current limiting
 Summary | Full Text:PDF(653.8KB)

Reduction of Charge Injection and Current-Mismatch Errors of Charge Pump for Phase-Locked Loop
Masahiro YOSHIOKA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 381-388
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
charge pumpcharge injectioncurrent-mismatchspurious noisephase-locked loop
 Summary | Full Text:PDF(630.9KB)

Design of Low Power Track and Hold Circuit Based on Two Stage Structure
Takahide SATO Isamu MATSUMOTO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 894-902
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
track and hold circuitlow power consumptionflash analog to digital convertertwo-stage structure
 Summary | Full Text:PDF(736.8KB)

Multi-Path Analog Circuits Robust to Digital Substrate Noise
Shigetaka TAKAGI Retdian AGUNG NICODIMUS Kazuyuki WADA Takahide SATO Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 535-541
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
multi-path structurebalanced-type circuitdigital substrate noiselow-pass filter
 Summary | Full Text:PDF(580.7KB)

Automatic Adjustment of Phase Locked Loop Transfer Function
Masahiro YOSHIOKA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 483-490
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
phase locked loopgain adjustmentfrequency adjustmentautomatic calibration
 Summary | Full Text:PDF(772KB)

Reduction of Bootstrapped Switch Area Consumption Using Pre-Charge Phase
Retdian A. NICODIMUS Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 476-482
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
track-and-hold circuitbootstrapped switch
 Summary | Full Text:PDF(404.4KB)

Automated Design of Analog Circuits Accelerated by Use of Simplified MOS Model and Reuse of Genetic Operations
Naoyuki UNNO Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1291-1298
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
design automationsynthesis of analog differential circuitsgenetic algorithmsimplified elementreuse of genetic operations
 Summary | Full Text:PDF(592.5KB)

Jitter Tolerant Continuous-Time Sigma-Delta A-D Converter Employing In-Loop Low-Pass Filter
Daisuke KOBAYASHI Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 351-357
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
continuous-time sigma-delta modulatorA-D converteroversampling data converterjitter tolerance
 Summary | Full Text:PDF(288KB)

Miller Capacitor with Wide Input Range and Its Application to PLL Loop Filter
Masahiro YOSHIOKA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/12/01
Vol. E89-A  No. 12  pp. 3685-3692
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
Miller capacitorPLLlow frequency filterloop filter
 Summary | Full Text:PDF(830.7KB)

Automated Design of Analog Circuits Starting with Idealized Elements
Naoyuki UNNO Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3313-3319
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
design automationanalog circuit synthesisgenetic algorithmidealized element
 Summary | Full Text:PDF(522.9KB)

High Speed Transconductance-C-Opamp Integrator Using Current-Feedback Amplifier
Takahide SATO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1166-1171
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Building Block
Keyword: 
transconductance-C-opamp integratoranalog continuous filtercurrent-feedback amplifier
 Summary | Full Text:PDF(278KB)

Equivalent Saturated MOSFET Circuit with Wide Input Range
Takahide SATO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 431-437
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
MOSFETsaturation regionequivalent MOSFET circuit
 Summary | Full Text:PDF(434.6KB)

Rail-to-Rail OTA Based on Signal Decomposition
Nobukazu TAKAI Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 424-430
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
OTArail-to-rail operationsignal decomposition
 Summary | Full Text:PDF(425.1KB)

Capacitance Value Free Switched Capacitor DC-DC Voltage Converter Realizing Arbitrary Rational Conversion Ratio
Kouhei YAMADA Nobuo FUJII Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 344-349
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
switched capacitor circuitvoltage converterDC-DC convertervoltage reference
 Summary | Full Text:PDF(235.5KB)

Wide Tuning Range Voltage-Controlled Ring Oscillator
Retdian A. NICODIMUS Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 1085-1088
Type of Manuscript:  Special Section LETTER (Special Issue on Devices and Circuits for Next Generation Multi-Media Communication Systems)
Category: 
Keyword: 
ring oscillatorvoltage-controlled oscillatorRC delay
 Summary | Full Text:PDF(253.3KB)

Rail-to-Rail V-I Conversion Using a Pair of Single Channel MOSFETs Operating in Plural Regions
Takahide SATO 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. 327-334
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
rail-to-rail operationV-I converterOTA
 Summary | Full Text:PDF(488.8KB)

Automated Design of Analog Circuits Using a Cell-Based Structure
Hajime SHIBATA Soji MORI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 364-370
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog circuit synthesisdesign automationtopological optimizationgenetic algorithm
 Summary | Full Text:PDF(850.5KB)

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
 Summary | Full Text:PDF(572.7KB)

Realization of Leapfrog Filters Using Current Differential Buffered Amplifiers
Worapong TANGSRIRAT Wanlop SURAKAMPONTORN Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 318-326
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
current differencing buffered amplifierCDBAlow-voltage circuitleapfrog filteractive filter
 Summary | Full Text:PDF(868.5KB)

Wide-Input Range Linear Voltage-to-Current Converter Using Equivalent MOSFETs without Cutoff Region
Kazuyuki WADA Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 347-353
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
voltage-to-current converterlow voltageinput rangelow powerequivalent MOSFET
 Summary | Full Text:PDF(439.1KB)

Extension of Current Conveyor Concept and Its Applications
Takahide SATO Kazuyuki WADA Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 414-421
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
current conveyorOTANICfilter
 Summary | Full Text:PDF(483.4KB)

Fully On-Chip Active Guard Band Circuit for Digital Noise Cancellation
Shigetaka TAKAGI Retdian Agung NICODIMUS Kazuyuki WADA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 373-380
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
digital noisesubstrate couplingactive noise cancellation
 Summary | Full Text:PDF(664KB)

Analog Circuit Synthesis Based on Reuse of Topological Features of Prototype Circuits
Hajime SHIBATA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/11/01
Vol. E84-A  No. 11  pp. 2778-2784
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Analog Design
Keyword: 
analog circuit synthesisdesign automationtopological optimizationgenetic algorithm
 Summary | Full Text:PDF(546.8KB)

An Evolutionary Synthesis of Analog Active Circuits Using Current Path Based Coding
Hajime SHIBATA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/10/01
Vol. E84-A  No. 10  pp. 2561-2568
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
analog circuit synthesisdesign automationMOS transistor circuitgenetic algorithm
 Summary | Full Text:PDF(792.9KB)

An Unwrapping of Signals in Transform Domain and Its Application in Signal Reconstruction
Pavol ZAVARSKY Nobuo FUJII Noriyoshi KAMBAYASHI Masahiro IWAHASHI Somchart CHOKCHAITAM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7  pp. 1765-1771
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image compressionsignal reconstructionperfect reconstruction filter bank
 Summary | Full Text:PDF(782.5KB)

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
 Summary | Full Text:PDF(506.6KB)

A Novel Design Strategy for Class A CMOS Second Generation Current Conveyors
Sohrab EMAMI Kazuyuki WADA 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. 552-558
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
current conveyorcurrent-modeCMOS process
 Summary | Full Text:PDF(530.3KB)

MOSFET Instantaneous Companding Integrator
Nobukazu TAKAI Ken-ichi TAKANO 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. 545-551
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
MOSFETcompanding circuitintegrator
 Summary | Full Text:PDF(590.4KB)

A Reassignment Method for Improved Readability of Time-Frequency Representations
Pavol ZAVARSKY Nobuo FUJII Masahiro IWAHASHI Noriyoshi KAMBAYASHI Shinji FUKUMA Takeshi MYOKEN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/07/25
Vol. E83-A  No. 7  pp. 1473-1478
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
signal analysistime-frequency representationreassignment method
 Summary | Full Text:PDF(342.6KB)

Low-Voltage Current Mode Power Factor Function Generator
Kiattisak KUMWACHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 172-178
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
function generatorcurrent-mode circuitlow voltage circuit
 Summary | Full Text:PDF(564.7KB)

A BiCMOS Seventh-Order Lowpass Channel-Select Filter Operating at 2.5 V Supply for a Spread-Spectrum Wireless Receiver
Moonjae JEONG Satoshi TANAKA Shigetaka TAKAGI Nobuo FUJII Hiroshi KAWAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 210-219
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
spread-spectrum receiverchannel-select filterlinear phasecontinuous-time filters
 Summary | Full Text:PDF(1.2MB)

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
 Summary | Full Text:PDF(715.1KB)

Zero Common-Mode Gain Fully Balanced Circuit Structure
Moonjae JEONG Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/10/25
Vol. E82-A  No. 10  pp. 2210-2218
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
fully balanced circuit structureintegratorfilter
 Summary | Full Text:PDF(804.7KB)

GaAs FET Current-Mode Integrators and Their Application to Filters
Nobukazu TAKAI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 320-326
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
GaAs MESFETcurrent-modecurrent mirror
 Summary | Full Text:PDF(447.5KB)

Steady State Solution of Nonlinear Circuits by Asymptotic Periodic Waveform Evaluation
Sermsak UATRONGJIT Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/10/25
Vol. E81-A  No. 10  pp. 2212-2218
Type of Manuscript:  PAPER
Category: Modeling and Simulation
Keyword: 
periodic steady state analysisasymptotic waveformextrapolation
 Summary | Full Text:PDF(477.5KB)

Application of Genetic Programming to System Modeling from Input-Output Data
Sermsak UATRONGJIT Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/05/25
Vol. E81-A  No. 5  pp. 924-930
Type of Manuscript:  PAPER
Category: Modeling and Simulation
Keyword: 
system modelinginput-output databehavior modelgenetic programming
 Summary | Full Text:PDF(605.2KB)

Minimization of Output Errors of FIR Digital Filters by Multiple Decompositions of Signal Word
Mitsuhiko YAGYU Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 407-419
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 10th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
FIR digital filtersmultiple decompositions of signal worderror spectrumthe number of multiplications and additions
 Summary | Full Text:PDF(951.4KB)

Design of a Novel Linear 3-Input CMOS OTA and Its Application to Filter Realization
Moonjae JEONG Shigetaka TAKAGI Zdzislaw CZARNUL Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12  pp. 2548-2554
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
OTAfilternonlinearity cancellation
 Summary | Full Text:PDF(488.6KB)

Analysis and Minimization of Output Errors of 2-D Non-separable FIR Digital Filters with Finite Precision Internal Signals
Mitsuhiko YAGYU Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/08/25
Vol. E80-A  No. 8  pp. 1391-1402
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
2-D non-separable FIR digital filtersfinite wordlengthROM-based filter
 Summary | Full Text:PDF(973.4KB)

Mixed Quasi Newton Method for Simulation of Analog Circuits with Mixed Level Models
Sermsak UATRONGJIT Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/08/25
Vol. E80-A  No. 8  pp. 1496-1501
Type of Manuscript:  PAPER
Category: Modeling and Simulation
Keyword: 
mixed quasi Newton methodbehavior modelcircuit simulator
 Summary | Full Text:PDF(418.5KB)

FOREWORD
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/06/25
Vol. E80-A  No. 6  pp. 987-987
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(73.9KB)

Modular Array Structures for Design and Multiplierless Realization of Two-Dimensional Linear Phase FIR Digital Filters
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/25
Vol. E80-A  No. 4  pp. 722-736
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
multi dimensional filtersFIR digital filtersparallel structuresmultiplierless structuressystolic arrays
 Summary | Full Text:PDF(1MB)

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(438.1KB)

GaAs MESFET Linearized Transconductor and Active Load with no CMFB
Nobukazu TAKAI Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/02/25
Vol. E80-A  No. 2  pp. 321-327
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques for System-on-Chip Integration)
Category: 
Keyword: 
GaAs MESFET amplifieractive loadlow distortion amplifier
 Summary | Full Text:PDF(449.6KB)

Multiplierless Arrays for Realization of Lowpass and Highpass Linear Phase FIR Digital Filters
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/08/25
Vol. E79-A  No. 8  pp. 1112-1119
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
FIR digital filtersparallel structuresmultiplierless structuressystolic arraysdigital signal processing
 Summary | Full Text:PDF(601.3KB)

DSP Code Optimization Utilizing Memory Addressing Operation
Nobuhiko SUGINO Satoshi IIMURO Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/08/25
Vol. E79-A  No. 8  pp. 1217-1224
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
DSP compilercode optimizationmemory addressing
 Summary | Full Text:PDF(637.5KB)

Fast FIR Digital Filter Structures Using Minimal Number of Adders and Its Application to Filter Design
Mitsuhiko YAGYU Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/08/25
Vol. E79-A  No. 8  pp. 1120-1129
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
FIR digital filterCSD expressionMILP
 Summary | Full Text:PDF(797.1KB)

Design of Non-Separable 3-D QMF Banks Using McClellan Transformations
Toshiyuki YOSHIDA Todor COOKLEV Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/05/25
Vol. E79-A  No. 5  pp. 716-720
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
digital signal processingmultidimensional signal processingQMF banksMcClellan transformation
 Summary | Full Text:PDF(356.6KB)

Moment Functions for Fast Discrete Wigner Trispectrum
Pavol ZAVARSKY Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/04/25
Vol. E79-A  No. 4  pp. 560-568
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
discrete Wigner higher-order distributionWigner trispectrummultiple multidimensional convolutionambiguity function
 Summary | Full Text:PDF(558.4KB)

Design of FIR Digital Filters Using Estimates of Error Function over CSD Coefficient Space
Mitsuhiko YAGYU Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/03/25
Vol. E79-A  No. 3  pp. 283-290
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
FIR digital filterCSD representationoptimization
 Summary | Full Text:PDF(619.7KB)

Current-Mode Continuous-Time Filters Using Complementary Current Mirror Pairs
Joung-Chul AHN Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2  pp. 168-175
Type of Manuscript:  Special Section PAPER (Special Section on Analog Technologies in Submicron Era)
Category: 
Keyword: 
active filtercurrent-mode filtercontinuous-time filter
 Summary | Full Text:PDF(534.1KB)

Topology-Independent Predistortion for Integrator-Based Filters
Kazuyuki WADA Shigetaka TAKAGI Zdzislaw CZARNUL Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2  pp. 176-183
Type of Manuscript:  Special Section PAPER (Special Section on Analog Technologies in Submicron Era)
Category: 
Keyword: 
predistortionanalog filterintegrator
 Summary | Full Text:PDF(593.3KB)

Higher Order Spectra Analysis of Nonstationary Harmonizable Random Processes
Pavol ZAVARSKY Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/07/25
Vol. E78-A  No. 7  pp. 854-859
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
3rd order spectrumWigner bispectrumnonstationary signal analysisrandom signal analysis
 Summary | Full Text:PDF(450KB)

FOREWORD
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/06/25
Vol. E78-A  No. 6  pp. 647-648
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(101.7KB)

FOREWORD
Masayuki KAWAMATA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/03/25
Vol. E78-A  No. 3  pp. 283-284
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(169.4KB)

A Drive of Input and Output Impedance Effects of Functional Blocks into a Frequency Shift of Active Circuits
Kazuyuki WADA Nobuo FUJII Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/02/25
Vol. E78-A  No. 2  pp. 177-184
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Computer Aided Design)
Category: 
Keyword: 
compensationactive RC filterautomatic filter synthesisfilter tuning
 Summary | Full Text:PDF(617KB)

CMIP-Based OpS-WS Interface Supporting Graphical User Interface
Hiroshi TOHJO Ikuo YODA Tatsuyuki KIMURA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/01/25
Vol. E78-B  No. 1  pp. 74-81
Type of Manuscript:  Special Section PAPER (Special Issue on Network Operations and Management)
Category: 
Keyword: 
communication softwareGUIHMICMISCMIPMOTMN
 Summary | Full Text:PDF(838.4KB)

Object Oriented API for Operations System Development
Kenji MINATO Ikuo YODA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/10/25
Vol. E77-B  No. 10  pp. 1209-1219
Type of Manuscript:  PAPER
Category: Communication Systems and Transmission Equipment
Keyword: 
communication systems and transmission equipmentOSI systems managementmanaged objectsOSI directoryCMIP
 Summary | Full Text:PDF(883.2KB)

2-D Variable FIR Filters Using 3-D Prototype Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/09/25
Vol. E77-A  No. 9  pp. 1568-1572
Type of Manuscript:  LETTER
Category: Parallel/Multidimensional Signal Processing
Keyword: 
digital signal processingmultidimensional signal processinglinear FIR digital filters and variable filters
 Summary | Full Text:PDF(313.4KB)

Graceful Degradation for Multiprocessor Realization of Maximally Flat FIR Digital Filters
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/07/25
Vol. E77-C  No. 7  pp. 1083-1091
Type of Manuscript:  Special Section PAPER (Special Issue on Super Chip for Intelligent Integrated Systems)
Category: 
Keyword: 
graceful degradationFIR digital filtersmodular array realizationdigital signal processing
 Summary | Full Text:PDF(618.6KB)

Parallel and Modular Structures for FIR Digital Filters
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/03/25
Vol. E77-A  No. 3  pp. 467-474
Type of Manuscript:  Special Section PAPER (Special Section on the 6th Karuizawa Workshop on Circuits and Systems)
Category: Digital Signal Processing
Keyword: 
FIR digital filtersdigital signal processing
 Summary | Full Text:PDF(604.2KB)

Design of Low-Distortion MOS OTA Based on Cross-Coupled Differential Amplifier and Its Application for Active Filters
Koichi ONO Nobuo FUJII Shigetaka TAKAGI Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 363-370
Type of Manuscript:  Special Section PAPER (Special Section on High-Performance MOS Analog Circuits)
Category: 
Keyword: 
low-distortion circuitMOS OTAactive filters
 Summary | Full Text:PDF(625.4KB)

A Synthesis of Highly Linear MOS Circuits and Their Application to Filter Realization
Shigetaka TAKAGI Zdzislaw CZARNUL Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 351-355
Type of Manuscript:  Special Section PAPER (Special Section on High-Performance MOS Analog Circuits)
Category: 
Keyword: 
MOS circuitsnegative impedance converterfilters
 Summary | Full Text:PDF(439.4KB)

Interval Properties of Lattice Allpass Fiters with Applications
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/10/25
Vol. E76-A  No. 10  pp. 1775-1780
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
linear and nonlinear digital ftltersdigital signal processing
 Summary | Full Text:PDF(523.2KB)

A Design Method for 3-Dimensional Band-Limiting FIR Filters Using McClellan Transfromation
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/08/25
Vol. E76-A  No. 8  pp. 1283-1292
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from the 7th Digital Signal Processing Symposium)
Category: Multidimensional Signal Processing
Keyword: 
digital signal processingFIR filtersband-limiting filtersmultidimensional filtersMcClellan transformation
 Summary | Full Text:PDF(840.5KB)

Research Topics and Results on Analog Circuit Design for LSI
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1061-1069
Type of Manuscript:  Special Section PAPER (Special Section on Surveys of Researches in CAS Fields in the Last Two Decades, I)
Category: 
Keyword: 
analog circuitsLSI
 Summary | Full Text:PDF(858.8KB)

Applying OSI Systems Management Standards to Remotely Controlled Virtual Path Testing in ATM Networks
Satoru OHTA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/03/25
Vol. E76-B  No. 3  pp. 280-290
Type of Manuscript:  Special Section PAPER (Special Issue on Broadband ISDN --Application, Networking and Management--)
Category: 
Keyword: 
communication systems and transmission equipmentATMtestingnetwork managementOSI systems managementmanaged object
 Summary | Full Text:PDF(974KB)

FOREWORD
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/02/25
Vol. E76-A  No. 2  pp. 147-148
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(104.6KB)

Small-Signal High Frequency MOSFET Model Considering Two-Field-Dependent Mobility Effect
Laredj BELABAS Nobuo FUJII Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/02/25
Vol. E76-A  No. 2  pp. 193-203
Type of Manuscript:  Special Section PAPER (Special Section on High-Speed Analog Circuits and Signal Processing)
Category: 
Keyword: 
MOSFEThigh frequency modelmobility
 Summary | Full Text:PDF(635.5KB)

Design and Implementation of High-Speed and High-Q Active Bandpass Filters with Reduced Sensitivity to Integrator Nonideality
Kazuyuki HORI Shigetaka TAKAGI Tetsuo SATO Akinori NISHIHARA Nobuo FUJII Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/02/25
Vol. E76-A  No. 2  pp. 174-182
Type of Manuscript:  Special Section PAPER (Special Section on High-Speed Analog Circuits and Signal Processing)
Category: 
Keyword: 
active filtersintegratorspole sensitivity
 Summary | Full Text:PDF(716.7KB)

A Design Method of Variable FIR Filters Using Multi-Dimensional Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/08/25
Vol. E75-A  No. 8  pp. 964-971
Type of Manuscript:  Special Section PAPER (Special Section on the 6th Digital Signal Processing Symposium)
Category: 
Keyword: 
digital signal processingFIR filtersvariable filtersmulti-dimensional filters
 Summary | Full Text:PDF(594.8KB)

On Group-Delay Sensitivity Properties of Complex Allpass Lattice Filters
Saed SAMADI Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/11/25
Vol. E74-A  No. 11  pp. 3541-3545
Type of Manuscript:  Special Section PAPER (Special Issue on HAKONE Digital Signal Processing Symposium)
Category: 
Keyword: 
 Summary | Full Text:PDF(282.3KB)

A Design Method of 2-D Diamond-Shaped Half-Band IIR Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/11/25
Vol. E74-A  No. 11  pp. 3593-3601
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(556KB)

A Design Method of 2-D Maximally Flat Diamond-Shaped Half-Band FIR Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Vol. E73-E  No. 6  pp. 901-907
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(494.1KB)

Magnitude and Phase Approximation of IIR Digital Filters Using Linear Programming
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/10/25
Vol. E72-E  No. 10  pp. 1097-1103
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(462KB)

A Third-Order High-Frequency Active RC Filters Using Voltage Followers
Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/06/25
Vol. E71-E  No. 6  pp. 557-558
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
 Summary | Full Text:PDF(119.4KB)

Highly-Linear Canonical MOSFET-Capacitor Filters
Shigetaka TAKAGI Nobuo FUJII Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/06/25
Vol. E71-E  No. 6  pp. 562-566
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
 Summary | Full Text:PDF(342.1KB)

RC Active Filter Using Grounded Active Immittances Based on Simulation of LC Ladder Filters
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/08/25
Vol. E65-E  No. 8  pp. 445-450
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF(312.5KB)

Predistorted RC Active Filters with Low Pole Sensitivity to Finite GB of Single Pole Operational Amplifier
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/10/25
Vol. E63-E  No. 10  pp. 715-722
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF(437.7KB)

DC Stability of Nullator-Norator Circuits Realized with Operational Amplifiers
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/08/25
Vol. E61-E  No. 8  pp. 625-630
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF(388.3KB)

Easily Adjustable Gyrator
Nobuo FUJII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/05/25
Vol. E59-E  No. 5  pp. 16-17
Type of Manuscript:  LETTER
Category: Circuits and Systems
Keyword: 
 Summary | Full Text:PDF(108.7KB)