Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Yuji Komatsuzaki"'
Publikováno v:
IEEE Journal of Microwaves, Vol 3, Iss 1, Pp 115-133 (2023)
In this paper, we propose an efficient system approach to improve the power efficiency of dual-input Doherty power amplifier (DIDPA) with maintaining its linearity level. An auto-tuning process based on a hybrid heuristic search control (HHSC) is app
Externí odkaz:
https://doaj.org/article/dc1cccb0e7ef43d79dc2f2bdd2331738
Autor:
Shuichi Sakata, Yuji Komatsuzaki
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 71:1055-1067
Autor:
Yutaro Yamaguchi, Keigo Nakatani, Koji Yamanaka, Shuichi Sakata, Shintaro Shinjo, Yuji Komatsuzaki
Publikováno v:
IEICE Transactions on Electronics. :526-533
Autor:
Shuichi Sakata, Marie Taguchi, Katsuya Kato, Eri Teranishi, Satoru Honda, Yuji Komatsuzaki, Masaomi Tsuru, Koji Yamanaka
Publikováno v:
2022 Asia-Pacific Microwave Conference (APMC).
Autor:
Shintaro Shinjo, Ken Kudara, Shoichiro Imanishi, Yutaro Yamaguchi, Yuji Komatsuzaki, Atsushi Hiraiwa, Hiroshi Kawarada, Yoshifumi Kawamura
Publikováno v:
IEEE Transactions on Electron Devices. 68:3942-3949
This article reports on the high operation voltage large-signal performance of two-dimensional hole gas diamond metal–oxide semiconductor field-effect transistors (MOSFETs) with thick atomic-layer-deposition (ALD)-Al2O3 formed on high purity polycr
Publikováno v:
2021 51st European Microwave Conference (EuMC).
Publikováno v:
2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR).
Publikováno v:
2021 IEEE Asia-Pacific Microwave Conference (APMC).
Autor:
Kei Fukunaga, Kenichi Horiguchi, Eri Teranishi, Kevin Chuang, Koji Yamanaka, Shintaro Shinjo, Yuji Komatsuzaki, Shuichi Sakata, Yu-Chen Wu, Takumi Sugitani, Rui Ma, Katsuya Kato
Publikováno v:
2020 IEEE/MTT-S International Microwave Symposium (IMS).
This paper presents a fully-integrated two-stage GaN Doherty Power Amplifier (DPA) Module for 5G massive MIMO base stations. To overcome the size limitation of PAs in massive MIMO base-stations while meeting the wideband requirement, a new compact fr
Publikováno v:
2020 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR).
This paper presents the formulation and experimental validation of adaptive input-power distribution in Doherty Power Amplifiers (DPAs) using modified Wilkinson Power Divider (WPD). It will be theoretically shown that ideal power-dependent power-dist