Masayoshi YAMAMOTO


13.56MHz Half-Bridge GaN-HEMT Resonant Inverter Achieving High Power, Low Distortion, and High Efficiency by ‘L-S Network’
Aoi OYANE Thilak SENANAYAKE Mitsuru MASUDA Jun IMAOKA Masayoshi YAMAMOTO 
Publication:   
Publication Date: 2022/09/01
Vol. E105-C  No. 9  pp. 407-418
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
resonant inverterGaN-HEMTISM bandsimpedance conversionharmonics suppression
 Summary | Full Text:PDF

An Evaluation of a New Type of High Efficiency Hybrid Gate Drive Circuit for SiC-MOSFET Suitable for Automotive Power Electronics System Applications
Masayoshi YAMAMOTO Shinya SHIRAI Senanayake THILAK Jun IMAOKA Ryosuke ISHIDO Yuta OKAWAUCHI Ken NAKAHARA 
Publication:   
Publication Date: 2022/05/01
Vol. E105-A  No. 5  pp. 834-843
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
SiC-MOSFETgate-drivercurrent-sourcevoltage-sourcegate resistance
 Summary | Full Text:PDF

Effect of Tunnel Pits Radius Variation on the Electric Characteristics of Aluminum Electrolytic Capacitor
Daisaku MUKAIYAMA Masayoshi YAMAMOTO 
Publication:   
Publication Date: 2021/01/01
Vol. E104-C  No. 1  pp. 22-33
Type of Manuscript:  PAPER
Category: Electronic Components
Keyword: 
aluminum electrolytic capacitortunnel pitimpedance
 Summary | Full Text:PDF