Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-11-14 11:05 |
Okinawa |
JA Kume-jima Yuntaku house (Primary: On-site, Secondary: Online) |
Analysis of nonlinear networks using the polyharmonic distortion model Itsuki Mitsuhashi, Shuhei Amakawa (Hiroshima Univ.) MW2024-126 |
[more] |
MW2024-126 pp.18-23 |
AP, RCS (Joint) |
2023-11-16 10:35 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A 2D Beam-Steerable 252-285-GHz 25.8-Gbit/s CMOS Receiver Module Takeshi Yoshida (Hiroshima Univ.), Shinsuke Hara, Tatsuo Hagino, Mohamed Mubarak, Akifumi Kasamatsu (NICT), Kyoya Takano (Tokyo Univ. of Science), Yoshiki Sugimoto, Kunio Sakakibara (Nagoya Inst. of Tech.), Shuhei Amakawa, Minoru Fujishima (Hiroshima Univ.) AP2023-142 RCS2023-165 |
Recently, there have been many reports on sub-THz transmitters (TX) and receivers (RX) for high-speed wireless communica... [more] |
AP2023-142 RCS2023-165 p.66(AP), p.70(RCS) |
MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas |
CU, Bangkok, Thailand (Postponed) |
Analysis of first-stage low-noise amplifier that minimises noise figure of receiver Kosuke Ono, Shuhei Amakawa (Hiroshima Univ.) |
It is known, both theoretically and empirically, that designing an LNA for its minimum noise figure (NF) is not the best... [more] |
|
MW |
2019-12-19 15:55 |
Gifu |
Gifu Unif. Satellite Campus |
[Special Talk]
300-GHz Wireless Data Transmission System with Low-SNR CMOS RF Front End Sangyeop Lee, Ruibing Dong (Hiroshima Univ.), Shinsuke Hara (NICT), Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) MW2019-126 |
A CMOS based 300 GHz wireless system typically has low signal to noise ratio character istics owing to a low transmitter... [more] |
MW2019-126 pp.41-46 |
MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas |
RUS, Bangkok, Thailand |
Theory of 2-port noise parameter transformation by lossless feedback and its application to LNA design Kosuke Ono, Shuhei Amakawa (Hiroshima Univ.) |
This paper shows how noise parameters of a 2-port
amplifier are transformed by a general lossless (i.e. noiseless)
fee... [more] |
|
ICD, CPSY, CAS |
2018-12-23 09:30 |
Okinawa |
|
[Poster Presentation]
Matching network optimization for wideband millimeter wave CMOS amplifier Shota Kohara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) CAS2018-95 ICD2018-79 CPSY2018-61 |
[more] |
CAS2018-95 ICD2018-79 CPSY2018-61 pp.73-76 |
ICD, CPSY, CAS |
2018-12-23 15:50 |
Okinawa |
|
Design Method of Near-fmax Amplifier Using Transmission Line Feedback Shingo Yasuda, Shuhei Amakawa (Hiroshima Univ.) CAS2018-114 ICD2018-98 CPSY2018-80 |
[more] |
CAS2018-114 ICD2018-98 CPSY2018-80 pp.147-152 |
MW |
2018-12-13 16:35 |
Kanagawa |
Kanagawa Univ. |
On low-frequency anomalies of S-parameters of coaxial lines Ken Shobe, Shuhei Amakawa (Hiroshima Univ.) MW2018-126 |
Transmission coefficients of reciprocal and passive devices such astranssmission lines always show phasedelays. However,... [more] |
MW2018-126 pp.73-78 |
VLD, DC, CPSY, RECONF, CPM, ICD, IE, IPSJ-SLDM, IPSJ-EMB, IPSJ-ARC (Joint) [detail] |
2018-12-06 15:20 |
Hiroshima |
Satellite Campus Hiroshima |
Millimeter wave band CMOS low noise amplifier design Kyoya Takegawa, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) CPM2018-89 ICD2018-50 IE2018-68 |
[more] |
CPM2018-89 ICD2018-50 IE2018-68 pp.9-12 |
VLD, DC, CPSY, RECONF, CPM, ICD, IE, IPSJ-SLDM, IPSJ-EMB, IPSJ-ARC (Joint) [detail] |
2018-12-06 15:45 |
Hiroshima |
Satellite Campus Hiroshima |
Design method of millimeter wave CMOS amplifier circuit with flat frequency characteristics Shota Kohara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) CPM2018-90 ICD2018-51 IE2018-69 |
High-speed wireless communication using a wideband in the millimeter wave is expected. In order to realize this, millime... [more] |
CPM2018-90 ICD2018-51 IE2018-69 pp.13-16 |
VLD, DC, CPSY, RECONF, CPM, ICD, IE, IPSJ-SLDM, IPSJ-EMB, IPSJ-ARC (Joint) [detail] |
2018-12-07 09:25 |
Hiroshima |
Satellite Campus Hiroshima |
Design method of millimeter wave CMOS oscillator with high efficiency Tomoya Takiwaki, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) CPM2018-91 ICD2018-52 IE2018-70 |
[more] |
CPM2018-91 ICD2018-52 IE2018-70 pp.17-20 |
ED, MW |
2018-01-26 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Special Talk]
Briefing Report on European Microwave Week 2017 Ryo Ishikawa (UEC), Shuhei Amakawa (Hiroshima Univ.), Chen Chun-Pin (Kanagawa Univ.), Tamio Kawaguchi (Toshiba), Hiroshi Okazaki (NTT DOCOMO) ED2017-100 MW2017-169 |
The Microwave Week 2017, comprising the European Microwave Conference (EuMC), European Rader Conference(EuRAD), and Euro... [more] |
ED2017-100 MW2017-169 pp.35-40 |
MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas |
KMUTT, Bangkok, Thailand |
Noise-Figure Optimization of a Multi-Stage Millimeter-Wave Amplifier with Negative Capacitance Feedback Shota Kohara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) |
In a low noise amplifier, a source-degeneration inductor is commonly used to reduce noise figure (NF), which also degrad... [more] |
|
MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas |
KMUTT, Bangkok, Thailand |
Gain-Boosted Feedback Amplifier Design Using Leaky Tapped Transformer Shingo Yasuda, Shuhei Amakawa (Hiroshima Univ.) |
This paper develops a theory on high-gain near-fmax feedback amplifier design using a tapped transformer with imperfect ... [more] |
|
MW, ICD |
2017-03-02 10:25 |
Okayama |
Okayama Prefectural Univ. |
Performance Indicator for THz TRX module Kyoya Takano, Shuhei Amakawa, Kosuke Katayama, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) MW2016-191 ICD2016-121 |
Ultra-high-speed wireless links are achievable by using terahertz frequencies which have vast frequency band for wireles... [more] |
MW2016-191 ICD2016-121 pp.19-22 |
MW, ICD |
2017-03-02 10:50 |
Okayama |
Okayama Prefectural Univ. |
Systematic circuit model generation for high-frequency devices Kosuke Katayama, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) MW2016-192 ICD2016-122 |
[more] |
MW2016-192 ICD2016-122 pp.23-27 |
MW, ICD |
2017-03-03 09:50 |
Okayama |
Okayama Prefectural Univ. |
Design of CMOS On-Chip Antenna in 300-GHz Band VSRao Sasipalli, Kosuke Katayama, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima, Tuan Anh VU (Hiroshima Univ.) MW2016-205 ICD2016-135 |
[more] |
MW2016-205 ICD2016-135 pp.95-100 |
ED |
2016-12-20 13:15 |
Miyagi |
RIEC, Tohoku Univ |
[Invited Talk]
Input Power Optimization of a Tripler-Base 300-GHz CMOS Up-Conversion Mixer Ruibing Dong (NICT), Kosuke Katayama (Hiroshima Univ.), Shinsuke Hara (NICT), Kyoya Takano (Hiroshima Univ.), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT), Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima (Hiroshima Univ.) ED2016-93 |
A tripler-based 300-GHz-band up-conversion mixer in 40-nm CMOS is experimentally characterized, whose operating frequenc... [more] |
ED2016-93 pp.71-74 |
SR, SRW (Joint) |
2016-05-17 12:00 |
Overseas |
Hotel Lasaretti, Oulu, Finland |
[Invited Lecture]
A QAM-Capable 300-GHz CMOS Transmitter Shuhei Amakawa, Kosuke Katayama, Kyoya Takano (Hiroshima Univ.), Shinsuke Hara, Akifumi Kasamatsu (NICT), Koichi Mizuno, Kazuaki Takahashi (Panasonic), Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) SR2016-12 |
A 300-GHz transmitter (TX) in 40-nm CMOS is presented. With the MOSFET unity-power-gain frequency $f_{mathrm{max}}$ bein... [more] |
SR2016-12 pp.39-46 |
ICD, MW |
2016-03-04 09:00 |
Hiroshima |
Hiroshima University |
Evaluation of Low Characteristic Impedance Transmission Line for Millimeter - Wave Decoupling Ryuhei Goda, Kyoya Takano, Kosuke Katayama, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) MW2015-202 ICD2015-125 |
Wideband decoupling for millimeter-wave is possible with the transmission line with extremely low characteristic impedan... [more] |
MW2015-202 ICD2015-125 pp.163-167 |