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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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.) |
[more] | |
| MSS, CAS, SIP, VLD | 2023-07-06 16:30 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Band-combined broadband amplification system with preequalization Yuudai Nishi, Yohtaro Umeda, Kyoya Takano (Tokyo Univ. of Science)  CAS2023-13 VLD2023-13 SIP2023-29 MSS2023-13 |
[more] | CAS2023-13 VLD2023-13 SIP2023-29 MSS2023-13 pp.65-70 |
| MSS, CAS, SIP, VLD | 2023-07-07 15:00 |
Hokkaido | (Primary: On-site, Secondary: Online) |
ADC analog Filtering dependence of signal transmission characteristics of ADC bandwidth doubler with analog/digital hybrid equivalent ideal filter Koki Ihara, Yuya Fujiwara, Yohtaro Umeda, Kyoya Takano (Tokyo Univ. of science) CAS2023-27 VLD2023-27 SIP2023-43 MSS2023-27 |
[more] | CAS2023-27 VLD2023-27 SIP2023-43 MSS2023-27 pp.137-142 |
| AP, MW (Joint) |
2022-09-15 12:25 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Macromodeling and Verification of Quad-Parallel Bipolar Transistors in the 300 GHz Band Minami Nasu (Tokyo University of science), Shinsuke Hara, Akifumi Kasamatsu (NICT), Yohtaro Umeda, Kyoya Takano (Tokyo University of science) MW2022-77 |
The objective of this study is to create a simple four-parallel bipolar transistor model for the 300 GHz band, and we pr... [more] | MW2022-77 pp.48-51 |
| MW | 2022-03-04 10:30 |
Online | Online | Electromagnetic-wave-absorber design based on terahertz-band measurement results of dielectrics Sangyeop Lee (TokyoTech), Masao Fujita, Masayuki Toyoda (Maxell Ltd.), Kyoya Takano (TUS), Shinsuke Hara, Issei Watanabe, Akifumi Kasamatsu (NICT), Hiroyuki Ito (TokyoTech) MW2021-132 |
[more] | MW2021-132 pp.117-121 |
| ED, MW | 2022-01-27 13:15 |
Online | Online | An Inductor-Less Broadband Active Balun with Imbalance Correction and Active Peaking Keisuke Kawahara, Yohtaro Umeda, Kyoya Takano (TUS) ED2021-62 MW2021-104 |
This paper presents an area-efficient broadband active balun with low gain error and phase error. An ideal balun has a d... [more] | ED2021-62 MW2021-104 pp.1-6 |
| MW | 2021-12-16 15:15 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Analysis and Design of a Differential Distributed Amplifier with Coupled Inductors Keisuke Kawahara, Yohtaro Umeda, Kyoya Takano (TUS), Shinsuke Hara (NICT) MW2021-92 |
This paper presents a differential distributed amplifier with coupled inductors. Broadband and multi-level signaling are... [more] | MW2021-92 pp.43-48 |
| MW | 2021-05-20 14:55 |
Online | Online | A Trial Manufacture of an Area-Efficient Distributed Amplifier Using Pseudo-Fractal Bended Transmission Lines Keisuke Kawahara, Yohtaro Umeda, Kyoya Takano (TUS), Shinsuke Hara (NICT) MW2021-9 |
In recent years, communication traffic has been increasing. Distributed amplifiers have been reported to a bandwidth of ... [more] | MW2021-9 pp.22-27 |
| MW, ED | 2021-01-29 14:50 |
Online | Online | A study on precise extraction of parasitic resistances in InGaAs HEMTs Keigo Yaguchi (Tokyo Univ. of Science), Tomotaka Hosotani (Tohoku Univ.), Yohtaro Umeda, Kyoya Takano (Tokyo Univ. of Science), Tetsuya Suemitsu, Akira Satou (Tohoku Univ.) ED2020-35 MW2020-88 |
In this paper, we propose a new method to extract the parasitic resistances of high electron mobility transistor (HEMT) ... [more] | ED2020-35 MW2020-88 pp.38-43 |
| MW | 2020-12-10 16:00 |
Kanagawa | (Primary: On-site, Secondary: Online) |
Experimental evaluation of signal-to-quantization noise power ratio of transversal filter with power amplifier for EPWM transmitter Ryuta Sato, Natuki Utigiri, Taishi Sawayama, Yusuke Koike, Yotaro Umeda, Kyoya Takano (TUS) MW2020-77 |
In recent years, envelope pulse width modulation has been devised for transmitters in wireless communications to meet ma... [more] | MW2020-77 pp.36-41 |
| MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas | CU, Bangkok, Thailand (Postponed) |
Design of a 135GHz Marchand Balun in 40nm CMOS Technology Hajime Sakai, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science) |
The use of the D band (110-170 GHz) as the intermediate frequency band (IF band) of the 300 GHz band CMOS wireless commu... [more] | |
| MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas | CU, Bangkok, Thailand (Postponed) |
A 135GHz Frequency Tripler in 40 nm CMOS Technology Koki Sekine, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science) |
With the spread of IoT, high-speed and large-capacity wireless communication has been demanded. Therefore, the IEEE Std ... [more] | |
| MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas | CU, Bangkok, Thailand (Postponed) |
Design of 45GHz Frequency Trippler in 40nm CMOS Technology Kenta Sahara, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science) |
As a circuit constituting a wireless communication device, a frequency tripler plays an important role as a circuit for ... [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 | 2019-11-15 11:00 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Report on 2019 IEEE MTT-S International Microwave Symposium Msaru Sato (Fujitsu Lab.), Takashi Shimizu (Utsunomiya Univ.), Yusuke Uemichi (Fujikura), Hiroyuki Aoyama (Mitsubishi Electoric), Tetsuya Ueda (KIT), Yuji Komatsuzaki (Mitsubishi Electoric), Hiroshi Hamada (NTT), Kyoya Takano (TUS), Hiroshi Okazaki (NTT DOCOMO) MW2019-114 |
This is a report on 2019 IEEE MTT-S International Symposium held at Boston, MA, USA, June 2-7, 2019. It contains an over... [more] | MW2019-114 pp.81-86 |
| MW, ED | 2019-01-17 12:50 |
Tokyo | Hitachi, Central Research Lab. | [Special Talk]
Briefing Report on European Microwave Week 2018 Hiroaki Ikeuchi (Toshiba), Chen Chun-Pin (Kanagawa Univ.), Yu Ushijima, Jun Kamioka (Mitsubishi Ele. Corp.), Kyoya Takano (Tokyo Univ. of Science), Kentaro Murata (Toshiba), Takashi Shimizu (Utsunomiya Univ.) ED2018-73 MW2018-140 |
[more] | ED2018-73 MW2018-140 pp.23-30 |
| ICD, CPSY, CAS | 2018-12-21 13:30 |
Okinawa | Power-amplifier-inserted Transversal Filter that Recovers Quantization Noise Power by CMOS Rectifier Yuto Tanaka, Yohtaro Umeda, Kyoya Takano (Tokyo University of Science) CAS2018-78 ICD2018-62 CPSY2018-44 |
In this paper, we aim to improve power efficiency by using a CMOS rectifier for power-amplifier-inserted transversal fil... [more] | CAS2018-78 ICD2018-62 CPSY2018-44 pp.1-5 |
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| 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 | 2017-03-02 11:15 |
Okayama | Okayama Prefectural Univ. | Study on 300 GHz CMOS Doubler for Ultrahigh-Speed Wireless Communications Tuan Anh Vu, Kyoya Takano, Kosuke Katayama, VSRao Sasipalli, Minoru Fujishima (Hiroshima University) MW2016-193 ICD2016-123 |
This paper presents a 300 GHz common-source (CS) based doubler suitable for ultrahigh-speed wireless communications. The... [more] | MW2016-193 ICD2016-123 pp.29-34 |
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