Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Maehara Hiroaki"'
Autor:
Kenji Harauchi, Miyo Miyashita, Takumi Sugitani, Takaaki Yoshioka, Kazuya Yamamoto, Seiki Goto, Maehara Hiroaki, Hiroaki Ichinohe, Takashi Yamasaki
Publikováno v:
IEEE Journal of Solid-State Circuits. 56:2635-2646
This study describes the Ku -band 70- and 30-W-class internally matched gallium nitride (GaN) power amplifiers (PAs) for multi-carrier satellite communications (SatComs). The GaN PAs maintain low third-order intermodulation distortion (IMD3) over a w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74b750a521fdf7ae5d4497c191911616
https://doi.org/10.1109/jssc.2021.3098276
https://doi.org/10.1109/jssc.2021.3098276
Akademický článek
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Autor:
Akira Ohta, Koji Yamanaka, Norihiro Yunoue, Tetsuo Kunii, Takuo Morimoto, Shohei Imai, Maehara Hiroaki, Hideaki Katayama, Miyo Miyashita, Hiroshi Fukumoto, Akira Inoue, Takuma Torii
Publikováno v:
2016 46th European Microwave Conference (EuMC).
Two kinds of high efficiency power amplifiers (PAs) at X and Ku bands utilizing 0.15 μm GaN HEMT technology are presented. The 0.15 μm GaN HEMT technology with cutoff frequency of over 40 GHz enables them to realize high RF performances at higher f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ecf5e969b252fa90db88fa1d52c5ddc
https://doi.org/10.1109/eumc.2016.7824406
https://doi.org/10.1109/eumc.2016.7824406
Autor:
Koji Yamanaka, Hifumi Noto, Masatoshi Nakayama, Yoshihito Hirano, Jun Nishihara, Hiromitsu Uchida, Hiroshi Otsuka, M. Koyanagi, Hiromitsu Utsumi, Maehara Hiroaki
Publikováno v:
2012 42nd European Microwave Conference.
In this paper, internally matched GaN-HEMT high power amplifiers operating at X- and Ku-bands are presented. For the X-band amplifier, small package is adopted to reduce the over all RF module size. For the Ku-band amplifier, 4 transistor power bars
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23cc9fa0b90f785902d73e8175419cd0
https://doi.org/10.23919/eumc.2012.6459316
https://doi.org/10.23919/eumc.2012.6459316
Autor:
Imai, Shohei, Maehara, Hiroaki, Koyanagi, Motoyoshi, Ohtsuka, Hiroshi, Ohta, Akira, Yamanaka, Koji, Inoue, Akira, Fukumoto, Hiroshi
Publikováno v:
2014 IEEE MTT-S International Microwave Symposium (IMS2014); 2014, p1-4, 4p
Publikováno v:
Journal of the Chemical Society, Dalton Transactions (1470479X); Sep1985, Issue 9, p1945-1951, 7p