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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NC, MBE, NLP, MICT (Joint) [detail] |
2024-01-25 16:20 |
Tokushima | Naruto University of Education | Peformance Comparisons of Multi-objective Optimization Methods for Class-E Amplifier Design Tsuneki Fujita, Yuichi Tanji, Haruna Matsushita (Kagawa Univ.)  NLP2023-117 MICT2023-72 MBE2023-63 |
Switching power converters are used everywhere, but it becomes an issue that their noise level at high frequencies is hi... [more] | NLP2023-117 MICT2023-72 MBE2023-63 pp.158-161 |
| NLP | 2023-05-13 14:55 |
Fukushima | Kenshin Koriyama Cultural Center (Koriyama, Fukushima) | Class E Amplifier Design via Multi-objective Particle Swarm Optimization. Tsuneki Fujita, Yuichi Tanji (Kagawa Univ.) NLP2023-9 |
Switching power converters are used everywhere, but it becomes an issue that their noise level at high frequencies is hi... [more] | NLP2023-9 pp.37-40 |
| MW | 2023-03-02 13:00 |
Tottori | Tottori Univ. (Primary: On-site, Secondary: Online) |
A 1.6-2.2 GHz Band GaN HEMT Continuous Class-B/J Power Amplifier with Drain Efficiency Over 70% Soushi Aonuma, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-162 |
A continuous Class-B/J amplifier can theoretically maintain the 78.5 % power efficiency of a Class-B amplifier over a wi... [more] | MW2022-162 pp.31-36 |
| MW | 2022-11-15 10:50 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Continuous Class-F/Inverse-Class-F 2-GHz-Band GaN-HEMT Power Amplifiers Using 1-Port CRLH Transmission Lines Eri Tsuji, Soshi Aonuma, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-109 |
Highly efficient amplifiers capable of continuously processing harmonics over a wide bandwidth are attracting attention ... [more] | MW2022-109 pp.1-6 |
| AP | 2022-02-18 09:25 |
Online | Online | A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2021-167 |
In this paper, an H-shape slot patch antenna designed at 5.8 GHz with F-class load impedance for microwave power transfe... [more] | AP2021-167 pp.50-54 |
| 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, EST, EMCJ, PEM, IEE-EMC [detail] | 2020-10-23 17:05 |
Online | Online | Design of High-frequency Class-D Amplifire hayato takahashi, Yoji Isota, Teruo Tobana, Kohei Akimoto (Akita Pref. Univ.), Masashi Kawakami (NITIC) EMCJ2020-50 MW2020-64 EST2020-52 |
Due to the sophistication and diversification of information and communication networks, the communication speed is incr... [more] | EMCJ2020-50 MW2020-64 EST2020-52 pp.139-142 |
| MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas | CU, Bangkok, Thailand (Postponed) |
Watermelon Meter for Classifying Mature Fruit Kassana Kuchakorn, Chonlada Phopirom, Paiboon Yoiyod (RSU) |
This paper presents watermelon meter for classifying quality watermelon fruit with microwave technique. The watermelon m... [more] | |
| AP, WPT (Joint) |
2020-01-24 12:55 |
Kagawa | Sunport Hall Takamatsu | Basic Study of Patch Antenna with Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Takase Oshima, Hiroshi Hirayama (NITech) AP2019-171 WPT2019-54 |
A novel patch antenna with class-F load function for microwave power transfer is proposed. Conventionally, class-F load ... [more] | AP2019-171 WPT2019-54 pp.117-120(AP), pp.29-32(WPT) |
| MW | 2019-11-14 17:05 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Multifunctional CRLH Transmission Line Stubs for Compact Class-E/Inverse-Class-E Power Amplifiers Hirotaka Asami, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2019-109 |
This report presents CRLH transmission line (TL) stubs for realizing compact high-efficiency class-E / inverse class-E p... [more] | MW2019-109 pp.53-58 |
| EE | 2019-01-16 13:50 |
Kumamoto | KCIC | Inductor optimization software by Ap method and Kg method Akane Iwasaki, Sekiya Hiroo (Chiba Univ.) EE2018-43 |
The magnetic component design is a traditional problem and several design procedures were proposed in the power electro... [more] | EE2018-43 pp.31-36 |
| ICD, CPSY, CAS | 2018-12-23 16:10 |
Okinawa | Comparison between Quadrature-modulation EPWM transmitters with a 90° and 180° hybrid in physical models Tomoaki Morita, Yohtraro Umeda (Tokyo Univ. of Science) CAS2018-115 ICD2018-99 CPSY2018-81 |
Quadrature-modulation envelope-pulse-width-modulation (EPWM) transmitter with a 180° (180HYB system) or 90° hybrid (90HY... [more] | CAS2018-115 ICD2018-99 CPSY2018-81 pp.153-158 |
|
| MW | 2018-12-13 15:45 |
Kanagawa | Kanagawa Univ. | Implementation of quadrature-modulation Transmitter for Generating Bi-level EPWM Signal Mizuki Kinoshita, Umeda Yohtaro (Tokyo Univ. of Science) MW2018-124 |
We report a class D power amplifier designed for use at 500 MHz. The power amplifier is fabricated as an integrated circ... [more] | MW2018-124 pp.61-65 |
| MW | 2018-11-15 10:00 |
Nagasaki | Fukue Cultural Hall | 2-GHz-Band GaN HEMT Class-F Power Amplifiers Using CRLH-Transmission-Line-Stub Dual-Use Circuits for Harmonic Control and DC Biasing Tomoya Oda, Kento Saiki, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2018-92 |
The next generation mobile communication systems impose challenging performance, size and cost requirements on the power... [more] | MW2018-92 pp.1-6 |
| MW | 2018-11-15 10:25 |
Nagasaki | Fukue Cultural Hall | Miniaturization of Harmonic Impedance Transformer and its Application to Class-F Amplifiers Kento Saiki, Shinichi Tanaka (Shibaura Inst. of Tech.), Ryo Ishikawa, Kazuhiko Honjo (Univ. of Electro-Communications) MW2018-93 |
A new method of miniaturizing the quarter-wavelength ($lambda$/4) harmonic impedance (Z) transformer in a class-F amplif... [more] | MW2018-93 pp.7-12 |
| MW (2nd) |
2018-06-27 - 2018-06-29 |
Overseas | KMITL, Bangkok, Thailand | Power Control Unit for E-Class Power Oscillator of Wireless Power Transfer Darupon Rattanarungngam, Kittisak Phaebua, Titipong Lertwiriyaprapa (KMUTNB) |
This paper presents a power control unit for e-class power oscillator of 6.78 MHz wireless power transfer (WPT). the E-c... [more] | |
| EMCJ, WPT (Joint) |
2018-06-15 11:25 |
Nagasaki | Auto Matching Circuit for Wireless Power Transfer System Masayoshi Kanno (Bifrestec), Hisashi Shigetani, Kentaro Morito (TAIYO YUDEN) WPT2018-16 |
In the 6.78MHz wireless power transfer system using magnetic resonance, we propose an auto matching circuit by using vol... [more] | WPT2018-16 pp.31-36 |
|
| ICD, CPSY, CAS | 2017-12-14 14:30 |
Okinawa | Art Hotel Ishigakijima | A design of a Class-E Power Oscillator with a Parallel Resonant Load to Realize Frequency Tuning for Stable Wireless Transmission Power Yoshimitsu Yamashita, Kazuyuki Wada (Meiji Univ.) CAS2017-74 ICD2017-62 CPSY2017-71 |
A design method of a class-E power oscillator with a parallel resonant load to realize frequency tuning for stable wirel... [more] | CAS2017-74 ICD2017-62 CPSY2017-71 pp.57-62 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 10:25 |
Akita | Yupopo | A Quadrature-modulation EPWM Transmitter That Uses Co-phase Sine Wave Carriers for I/Q Channel and a 90° Hybrid as a Signal Combiner Tomoaki Morita, Ryo Sakai, Yohtaro Umeda (Tokyo Univ. of Science), Yusuke Kozawa (Ibaraki Univ.) EMCJ2017-45 MW2017-97 EST2017-60 |
Quadrature-modulation (QM) envelope-pulse-width modulation (EPWM) transmitter with a 180° hybrid as a power combiner has... [more] | EMCJ2017-45 MW2017-97 EST2017-60 pp.105-110 |
| MW, ICD | 2017-03-03 09:25 |
Okayama | Okayama Prefectural Univ. | Quadrature-modulation Envelope-pulse-width-modulation Transmission System Using Quadrature Polarized Waves Ryo Sakai, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-204 ICD2016-134 |
This paper presents quantitative evaluation of power efficiency decrese by not satisfying the zero current switching (ZC... [more] | MW2016-204 ICD2016-134 pp.89-94 |
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