Kazuyuki WADA


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)

A 0.8-V Syllabic-Companding Log Domain Filter with 78-dB Dynamic Range in 0.35-µm CMOS
Ippei AKITA Kazuyuki WADA Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/01/01
Vol. E91-C  No. 1  pp. 87-95
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
low-supply voltageanalog filtersyllabic companding techniquelog domaindynamically adjustable biasing technique
 Summary | Full Text:PDF(598.5KB)

Band Connections for Digital Substrate Noise Reduction Using Active Cancellation Circuits
Hiroto SUZUKI Kazuyuki WADA Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 372-379
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
digital substrate noiseactive cancellationmixed-signal circuit
 Summary | Full Text:PDF(753.4KB)

Synthesis Method of All Low-Voltage CMOS Instantaneous-Companding Log Domain Integrators
Ippei AKITA Kazuyuki WADA Yoshiaki TADOKORO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 339-350
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
low-supply voltageintegratorsinstantaneous compandinglog domaintopological optimization
 Summary | Full Text:PDF(484.2KB)

Design Optimization of Active Shield Circuits for Digital Noise Suppression Based on Average Noise Evaluation
Retdian A. NICODIMUS Hiroto SUZUKI Kazuyuki WADA Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 444-450
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
digital noisesubstrate couplingactive noise cancellationactive shield circuitmixed-signal integrated circuits
 Summary | Full Text:PDF(505.8KB)

Active Shield Circuit for Digital Noise Suppression in Mixed-Signal Integrated Circuits
Retdian A. NICODIMUS Shigetaka TAKAGI Kazuyuki WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 438-443
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
digital noisesubstrate couplingactive noise cancellationactive shield circuitmixed-signal integrated circuits
 Summary | Full Text:PDF(323.1KB)

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)

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)

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)

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)