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IEICE Trans

Kazuyuki WADA

A 1.8-V 840-MHz Analog Integrated Circuit for the Two-Armed Bandit Problem in a 180-nm CMOS Technology
Kohei MORI Kazuyuki WADA Kawori SEKINE Shinsuke HARA Satoru TANOI Akifumi KASAMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/06/01
Vol. E109-C  No. 6  pp. 186-196
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips and Systems)
Category: 
Keyword: 
multi-armed bandit (MAB) problem, analog MAB solver, hazard, high-speed decision making, 
 Summary | Full Text:PDF
A Load Voltage Estimation and Regulation System for Wireless Power Transfer with Optimum Matching Circuit Design
Takahiro FUJITA Kazuyuki WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/05/01
Vol. E108-A  No. 5  pp. 669-678
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
wireless power transfer, load voltage regulation, voltage estimation, phase-locked loop, power transfer efficiency, two-port circuit, 
 Summary | Full Text:PDF
An Output Voltage Estimation and Regulation System Using Only the Primary-Side Electrical Parameters for Wireless Power Transfer Circuits
Takahiro FUJITA Kazuyuki WADA Kawori SEKINE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2024/01/01
Vol. E107-A  No. 1  pp. 16-24
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Systems)
Category: 
Keyword: 
wireless power transfer, voltage estimation, voltage regulation, biomedical implantable devices, 
 Summary | Full Text:PDF
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 structure, balanced-type circuit, digital substrate noise, low-pass filter, 
 Summary | Full Text:PDF
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 voltage, analog filter, syllabic companding technique, log domain, dynamically adjustable biasing technique, 
 Summary | Full Text:PDF
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 noise, active cancellation, mixed-signal circuit, 
 Summary | Full Text:PDF
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 voltage, integrators, instantaneous companding, log domain, topological optimization, 
 Summary | Full Text:PDF
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 noise, substrate coupling, active noise cancellation, active shield circuit, mixed-signal integrated circuits, 
 Summary | Full Text:PDF
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 noise, substrate coupling, active noise cancellation, active shield circuit, mixed-signal integrated circuits, 
 Summary | Full Text:PDF
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 conveyor, OTA, NIC, filter, 
 Summary | Full Text:PDF
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 noise, substrate coupling, active noise cancellation, 
 Summary | Full Text:PDF
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 converter, low voltage, input range, low power, equivalent MOSFET, 
 Summary | Full Text:PDF
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 conveyor, current-mode, CMOS process, 
 Summary | Full Text:PDF
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: 
predistortion, analog filter, integrator, 
 Summary | Full Text:PDF
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: 
compensation, active RC filter, automatic filter synthesis, filter tuning, 
 Summary | Full Text:PDF