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Ryuji KOGA

Suppression of Guard-Trace Resonance by Matched Termination for Reducing Common-Mode Radiation Tetsushi WATANABE Tohlu MATSUSHIMA Yoshitaka TOYOTA Osami WADA Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/07/01 Vol. E93-B No. 7 pp. 1746-1753 Type of Manuscript: Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto) Category: PCB and Circuit Design for EMI Control Keyword: printed circuit board, common mode radiation, guard trace, imbalance difference model, current division factor,
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Development of Japanese EMC Engineering in 1996-2009 and Prospects Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/07/01 Vol. E93-B No. 7 pp. 1664-1669 Type of Manuscript: Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto) Category: INVITED Keyword: IEICE, EMCJ, subjects, review, prospects,
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Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model Tohlu MATSUSHIMA Tetsushi WATANABE Yoshitaka TOYOTA Ryuji KOGA Osami WADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/07/01 Vol. E93-B No. 7 pp. 1739-1745 Type of Manuscript: Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto) Category: PCB and Circuit Design for EMI Control Keyword: common-mode radiation, differential transmission line, imbalance difference model, guard trace,
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Evaluation of EMI Reduction Effect of Guard Traces Based on Imbalance Difference Model Tohlu MATSUSHIMA Tetsushi WATANABE Yoshitaka TOYOTA Ryuji KOGA Osami WADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/06/01 Vol. E92-B No. 6 pp. 2193-2200 Type of Manuscript: PAPER Category: Electromagnetic Compatibility(EMC) Keyword: PCB, common-mode radiation, imbalance difference model, guard trace, optimum design,
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Increase of Common-Mode Radiation due to Guard Trace Voltage and Determination of Effective Via-Location Tohlu MATSUSHIMA Tetsushi WATANABE Yoshitaka TOYOTA Ryuji KOGA Osami WADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/06/01 Vol. E92-B No. 6 pp. 1929-1936 Type of Manuscript: Special Section PAPER (Special Section on 3rd Pan-Pacific EMC Joint Meeting -- PPEMC'08--) Category: Keyword: common-mode radiation, imbalance difference model, printed circuit board, guard trace, ground via,
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FOREWORD Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/06/01 Vol. E90-B No. 6 pp. 1297-1297 Type of Manuscript: FOREWORD Category: Keyword:
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Modeling and Simulation of Via-Connected Power Bus Stacks in Multilayer PCBs Zhi Liang WANG Osami WADA Takashi HARADA Takahiro YAGUCHI Yoshitaka TOYOTA Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/08/01 Vol. E88-B No. 8 pp. 3176-3181 Type of Manuscript: Special Section PAPER (Special Section of 2004 International Symposium on Electromagnetic Compatibility) Category: Printed Circuit Boards Keyword: power bus stack and modeling, cavity-mode model, via interconnect, EMI,
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A Prediction Method of Common-Mode Excitation on a Printed Circuit Board Having a Signal Trace near the Ground Edge Tetsushi WATANABE Hiroshi FUJIHARA Osami WADA Ryuji KOGA Yoshio KAMI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2327-2334 Type of Manuscript: PAPER Category: Electromagnetic Compatibility(EMC) Keyword: common mode, EMI, printed circuit board, current division factor, boundary element method, ground plane,
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Power Current Model of LSI/IC Containing Equivalent Internal Impedance for EMI Analysis of Digital Circuits Yukihiro FUKUMOTO Yasuo TAKAHATA Osami WADA Yoshitaka TOYOTA Takuya MIYASHITA Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/11/01 Vol. E84-B No. 11 pp. 3041-3049 Type of Manuscript: PAPER Category: Electromagnetic Compatibility(EMC) Keyword: EMI, LSI/IC, power bus noise, simulation model, high-frequency current,
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Common-Mode-Current Generation Caused by Difference of Unbalance of Transmission Lines on a Printed Circuit Board with Narrow Ground Pattern Tetsushi WATANABE Osami WADA Takuya MIYASHITA Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/03/20 Vol. E83-B No. 3 pp. 593-599 Type of Manuscript: Special Section PAPER (Special Issue on Recent Progress in Electromagnetic Compatibility Technology) Category: EMC Design of PCB Keyword: EMC technology, digital circuit, printed circuit board, microstrip line, common mode current, narrow ground,
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FOREWORD Ryuji KOGA Osami WADA Yutaka AKIBA Hiroshi INOUE Yoshio KAMI Kohji KOSHIJI Akihisa SAKURAI Noboru SCHIBUYA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/11/20 Vol. E80-B No. 11 pp. 1593-1593 Type of Manuscript: FOREWORD Category: Keyword:
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Prediction of Far-Field EMI Spectrum of Differential Mode Emission from a Digital PCB by Near-Field Measurement Makoto TORIGOE Takuya MIYASHITA Osami WADA Ryuji KOGA Tetsushi WATANABE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/11/20 Vol. E80-B No. 11 pp. 1633-1638 Type of Manuscript: Special Section PAPER (Special Issue on EMC Implications of Densely Mounted Electronic Devices) Category: Keyword: digital circuit, EMI, differential mode emission, near-field EMI, far-field EMI,
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Linear Equivalent Circuit of a Digital Gate for Characterization of Malfunction Mechanism Naoki KAGAWA Osami WADA Ryuji KOGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/11/20 Vol. E80-B No. 11 pp. 1652-1653 Type of Manuscript: Special Section LETTER (Special Issue on EMC Implications of Densely Mounted Electronic Devices) Category: Keyword: digital circuit, malfunction, external noise, jitters, circuit resonance, CMOS logic IC,
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Eigenmode Analysis of Whispering Gallery Modes of Pillbox-Type Optical Resonators Utilizing the FE-BPM Formulation Anis AHMED Ryuichi KOYA Osami WADA Ming WANG Ryuji KOGA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/11/20 Vol. E78-C No. 11 pp. 1638-1645 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: optical integrated circuit, whispering gallery mode, optical resonators, eigenmode analysis,
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Prediction of Peak Frequencies on Electromagnetic Emission from a Signal Line on a Printed Circuit Board Takuya MIYASHITA Osami WADA Ryuji KOGA Hiroya SANO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1995/02/20 Vol. E78-B No. 2 pp. 181-187 Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Compatibility) Category: Keyword: near-field electromagnetic emission, prediction, EMI measurement, simulation, printed circuit board,
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Power-Sum Estimation of Electromagnetic Noise Radiated from High-Speed CMOS Printed Circuit Boards Osami WADA Megumi KOSAKA Hidemi OKA Ryuji KOGA Hiroya SANO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1992/03/20 Vol. E75-B No. 3 pp. 165-173 Type of Manuscript: Special Section PAPER (Special Issue on Measurements and Control of Electromagnetic Interference) Category: Keyword: electromagnetic noise, radiation, PCB, CMOS, estimation,
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