A CW 4-W Ka-band power amplifier utilizing MMIC multichip technology. - Kohji Matsunaga; Ikuo Miura; Naotaka Iwata (IEEE J. Solid State Circuits, 2000)

C-band GaAs FET power amplifiers with 70-W output power and 50% PAE for satellite communication use. - Akio Wakejima; Takahiro Asano; Takafumi Hirano; Masahiro Funabashi; Kohji Matsunaga (IEEE J. Solid State Circuits, 2005)

High Power GaN-FET Amplifier with Reduced Memory Effects for W-CDMA Base Stations. - Akio Wakejima; Kohji Matsunaga; Yuji Ando; Tatsuo Nakayama; Yasuhiro Okamoto; Kazuki Ota; Naotaka Kuroda; Masahiro Tanomura; Hironobu Miyamoto (IEICE Trans. Electron., 2007)