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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2023-03-17 12:35 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design of Matching Circuit Using Tap-Type Impedance Transformer Hiroya Oshima, Tomoki Nakamura, Daichi Togiya (Ryukoku Univ.)  WPT2022-57 |
The matching circuit designed for this project uses a matching circuit with a tapped impedance converter in the hope of ... [more] | WPT2022-57 pp.120-122 |
| WPT | 2022-03-07 12:10 |
Kyoto | (Primary: On-site, Secondary: Online) |
Magnetic Resonance Wireless Power Transmission with External Q Control by Divided-Capacitance Yasuo Ohno, Hiroko Itoh (LaS) WPT2021-24 |
Resonant power transmission circuits can be viewed as an impedance transformer. The transformation ratio varies greatly ... [more] | WPT2021-24 pp.21-24 |
| 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 |
| WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas | National University of Singapore(AWPT2017) | Multiple Connection of Rectifiers for High Power RF-to-DC Conversion Shogo Nishioka, Shinji Abe, Naoki Sakai, Takashi Ohira (TUT) |
In order to convert high-power RF into DC, it is theoretically expected that two or more rectifiers need to be employed ... [more] | |
| EE, WPT, IEE-SPC [detail] | 2017-07-27 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Circuit Modeling of Electrically-Very-Small Devices Based on Laurent Series Expansion of Self-/Mutual Impedances Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) EE2017-14 WPT2017-19 |
This report proposes a circuit modeling technique for electrically-very-small devices, e.g. electrodes for intrabody com... [more] | EE2017-14 WPT2017-19 pp.31-36 |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | Miniaturization Of Power Dividers Using Quarter-Wave-Like Transformers (QWLTs) Sorawis Korananan, Panuwat Janpugdee (CU), Danai Torrungrueng (Asian U) |
This paper presents the miniaturization of a three-port power divider for microwave frequency. The size reduction is ach... [more] | |
| EMCJ | 2017-01-19 14:55 |
Fukuoka | Kyushu Institute of Technology | Investigation of ISN type influence to disturbances measurement at telecommunication port by using imitation EUT Daisuke Kawakami, Nobuo Kuwabara (KIT) EMCJ2016-113 |
Shunt type, series type, and asymmetric transformer type ISNs (Impedance stabilization network) have been developed. In ... [more] | EMCJ2016-113 pp.25-30 |
| MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas | KMUTNB, Bangkok, Thailand | Design of Quarter-Wave-Like Transformers (QWLTs) Implemented Using Conjugately Characteristic-Impedance Transmission Lines (CCITLs) Itthinat Jongsuebchoke, Danai Torrungrueng (Asian U.) |
A theoretical and graphical analysis of conjugately characteristic-impedance transmission lines (CCITLs) using Meta-Smit... [more] | |
| MW, AP (Joint) |
2015-09-17 14:55 |
Tochigi | Oyama National College of Tech. | [Fellow Memorial Lecture]
Linear Passive Reciprocal Two-Port Systems as Viewed from kQ Product Perspective Takashi Ohira (Toyohashi Univ Tech) MW2015-92 |
Two-port systems are often evaluated in terms of S parameters. They well express the system's transfer function, but dep... [more] | MW2015-92 pp.29-30 |
| EST | 2015-05-15 14:00 |
Tokyo | Hosei Univ. (Koganei Campus) | A Study on Fabrication of the Tapered Line Impedance Transformer Yuki Hosokawa, Shoya Ishikawa, Yusuke Kusama (NIT, Kagawa College) EST2015-6 |
In our laboratory, Development of a training program for RF design engineer is under investigation. First, tapered line ... [more] | EST2015-6 pp.27-32 |
| EE, IEE-SPC | 2014-07-10 15:30 |
Hiroshima | Hiroshima Institute of Technology | A Linear Impedance Transformer without Mutual Inductance and Its Minimum Configuration Kyohei Yamada, Takashi Ohira (Toyohashi Univ. Tech.) EE2014-7 |
Magnetic transformers play important roles in electric power conversion equipment. Magnetic trans- formers are mainly em... [more] | EE2014-7 pp.11-16 |
| AP | 2014-03-11 09:30 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Analysis and Performance Improvement of Independent Electric Coupled Resonance WPT System with Impedance Transformer Chang Yang, Koichi Tsunekawa (Chubu Univ.) AP2013-190 |
Wireless power transfer (WPT) technology is expected for the next generation power feeding system, which could supply th... [more] | AP2013-190 pp.31-36 |
| MW (Workshop) |
2011-08-10 - 2011-08-12 |
Overseas | KMITL, Ladkrabang, Thailand | Input RF Power Limitation of the Bridge RF Rectifier with an Impedance Transformer Tsunehiro Saen, Kenji Itoh, Shin-ichi Betsudan, Shigeru Makino, Tetsuo Hirota, Keisuke Noguchi (KIT), Mitsuhiro Shimozawa (Mitsubishi Electric Corp) |
This report describes the input RF power limitation of the bridge RF rectifier with an impedance transformer. The recti... [more] |
|
| RCS, SIP | 2010-01-22 14:00 |
Fukuoka | Kyushu Univ. | A highly miniaturized broadband on-chip impedance transformer employing Periodically Arrayed Ground Structure on silicon substrate for application to broadband wireless access system Jeong-Gab Ju, Young-Bae Park, Bo-Ra Jung, Jang-Hyeon Jung, Suk-Youb Kang, Young Yun (Korea Maritime Univ.) SIP2009-118 RCS2009-252 |
In this work, using a coplanar waveguide employing Periodically Arrayed Ground Structure (PAGS) on silicon RFIC, a highl... [more] | SIP2009-118 RCS2009-252 pp.259-262 |
| MW | 2005-12-16 14:00 |
Hiroshima | A Tri-band GaAs FET Power Amplifier Using Lumped Elements Koji Uchida, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo) |
Tri-band GaAs FET power amplifiers with a single transistor using lumped element matching circuits are designed and fabr... [more] | MW2005-137 pp.55-60 |
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