Analysis and Design of the Class-Φ2 Inverter. - Keisuke Kitazawa; Xiuqin Wei; Akihiko Katsuki; Masahiko Hirokawa (IECON, 2018)

Subnominal Operation of Class-E Nonlinear Shunt Capacitance Power Amplifier at Any Duty Ratio and Grading Coefficient. - Ali Lotfi; Ali Medi; Akihiko Katsuki; Fujio Kurokawa; Hiroo Sekiya; Marian K. Kazimierczuk; Tadashi Suetsugu (IEEE Trans. Ind. Electron., 2018)

Analysis of Class-DE PA Using MOSFET Devices With Non-Equally Grading Coefficient. - Ali Lotfi; Akihiko Katsuki; Fujio Kurokawa; Hiroo Sekiya; Marian K. Kazimierczuk; Frede Blaabjerg (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)