Zobrazeno 1 - 10 of 36 pro vyhledávání: '"Kazutomi Mori"'
3
Vector-Sum Phase Shifter Using a Tunable Active g m -C Polyphase Filter
Autor: Takanobu Fujiwara, Akihito Hirai, Masaomi Tsuru, Kazutomi Mori, Mitsuhiro Shimozawa
Publikováno v: IEEE Transactions on Microwave Theory and Techniques. 68:4091-4102
We have proposed a vector-sum phase shifter (VSPS) with a low phase shift error using a tunable active $g_{m}{\text {-}}{C}$ polyphase filter (PPF). The proposed VSPS realizes high insertion gain and a low phase shift error because the tunable active
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffe35fb96f0bf767e2d1cad8427eb7ef
https://doi.org/10.1109/tmtt.2020.2991738
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5
SiGe-GaN Tx module using Chip Embedded Substrate in S-band
Autor: Eigo Kuwata, Kazutomi Mori, Masaomi Tsuru, Kazuhiro Maeda, Hidenori, Mitsuhiro Shimozawa, Kiyoshi Ishida, Ishibashi, Kengo Kawasaki, Tomohiro Yao, Hironobu Shibata
Publikováno v: 2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).
This paper describes small size 3D structure SiGe-GaN Tx module using chip embedded substrate. In order to achieve small package size of the Tx module, the GaN device is embedded in the PCB substrate. As the SiGe device and chip inductors are mounted
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2684d3afd6dda8b8830635fb00f7099
https://doi.org/10.1109/rfit49453.2020.9226211
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7
A 0.1-to-10 GHz Digital Frequency Discriminator IC with Time to Digital Converter and Adaptive Control of Frequency Division Ratio for Instantaneous Frequency Measurement
Autor: Masaomi Tsuru, Kazutomi Mori, Koji Tsutsumi, Akihito Hirai, Mitsuhiro Shimozawa
Publikováno v: 2019 IEEE MTT-S International Microwave Symposium (IMS).
A 0.1 to 10 GHz range Digital Frequency Discriminator (DFD) using a Time to Digital Converter and an edge counter adding adaptive control of division ratios of a frequency divider is presented. Wider frequency range can be achieved by automatically c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea5e04742a67d757f95193591fe36b76
https://doi.org/10.1109/mwsym.2019.8700846
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8
A Proposal of RF Front-End Architecture for 4 Frequency Bands with 2 Reception Paths
Autor: Ando Nobuhiko, Hiroto Sakaki, Kenichi Tajima, Kazutomi Mori
Publikováno v: 2018 48th European Microwave Conference (EuMC).
We propose a novel RF front-end architecture to receive 4 signals on different frequency bands with 2 reception paths. The architecture translates 4 RF signal frequencies to 2 intermediate frequencies by utilizing the principle of image rejection mix
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c3c1ffaa5131d3fb8115d4d92c18c40
https://doi.org/10.23919/eumc.2018.8541601
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