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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE | 2017-01-26 14:45 |
Nagasaki | Nagasaki University | [Poster Presentation]
Effect on Voltage Dividing Class E Amplifier by Parasitic Capacitances of Drive Circuit Katsutoshi Hirayama (Nagasaki Univ.), Tadashi Suetsugu (Fukuoka Univ.), Hidenori Maruta, Fujio Kurokawa (Nagasaki Univ.)  EE2016-69 |
This paper considers influence of voltage dividing class E amplifier by parasitic capacitances of diode of connected to ... [more] | EE2016-69 pp.107-110 |
| EE | 2016-11-28 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Poster Presentation]
Effect on Voltage Dividing Class E Amplifier by Circuit Parameters Katsutoshi Hirayama, Takuya Shirakawa (Nagasaki Univ.), Tadashi Suetsugu (Fukuoka Univ.), Hidenori Maruta, Fujio Kurokawa (Nagasaki Univ.) EE2016-40 |
Effect on voltage dividing class E amplifier by circuit parameters is considered. Voltage dividing class E amplifier can... [more] | EE2016-40 pp.57-60 |
| EE, WPT (Joint) |
2016-10-07 10:50 |
Kyoto | Sub Optimal Operation of Voltage Dividing Class E Amplifier in Load Variation Katsutoshi Hirayama, Takuya Shirakawa (Nagasaki Univ.), Tadashi Suetsugu (Fukuoka Univ.), Hidenori Maruta, Fujio Kurokawa (Nagasaki Univ.) EE2016-25 |
The purpose of this paper is to present the class E amplifier connecting the transistors in series, and some of connecte... [more] | EE2016-25 pp.37-41 |
|
| EE, IEE-SPC | 2016-07-14 14:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On a Study of Voltage Dividing Class E Amplifier Katsutoshi Hirayama, Yudai Furukawa, Takuya Shirakawa (Nagasaki Univ.), Tadashi Suetsugu (Fukuoka Univ.), Hidenori Maruta, Fujio Kurokawa (Nagasaki Univ.) EE2016-10 |
The purpose of this paper is to present the splitting of peak switch voltage by series connected transistors in the clas... [more] | EE2016-10 pp.49-52 |
| ICD, MW | 2016-03-03 14:55 |
Hiroshima | Hiroshima University | Compact Harmonic Tuning Circuits for Class-F Amplifiers Using Negative Order Resonance Modes of CRLH Stub Lines South Koizumi, Kengo Saito, Shinichi Tanaka (Shibaura Institute of Tech.) MW2015-197 ICD2015-120 |
Compact harmonic tuning circuits for class-F amplifier are realized using composite right-/left-handed transmission line... [more] | MW2015-197 ICD2015-120 pp.135-140 |
| WPT, MW | 2015-04-16 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of a 60GHz InGaAs HEMT class-F power amplifier with reactive negative feedback Kunihiko Watanabe, Yohtaro Umeda (Tokyo Univ. of Science), Tomohiro Yoshida, Tetsuya Suemitsu (Tohoku Univ.) WPT2015-4 MW2015-4 |
In this paper, InGaAs HEMT 60GHz Class-F power amplifier (PA) with reactive negative feedback is designed and simulated.... [more] | WPT2015-4 MW2015-4 pp.15-19 |
| WPT, MW | 2015-04-17 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study of distance-insensitive electric field coupling resonant wireless power transfer Ryuichi Namba, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) WPT2015-9 MW2015-9 |
In recent years, resonant wireless power transmission technology for supplying electric power with high efficiency in el... [more] | WPT2015-9 MW2015-9 pp.45-50 |
| MW, ICD | 2015-03-05 10:45 |
Fukui | University of Fukui | [Invited Talk]
An S-Band GaN High Efficiency Power Amplifier with Harmonic Processing Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ.) MW2014-204 ICD2014-117 |
In this report, a 2.45GHz high efficiency power amplifier, fabricated for the Student Design Competition in Asia-Pacific... [more] | MW2014-204 ICD2014-117 pp.13-17 |
| MW, ICD | 2015-03-05 11:05 |
Fukui | University of Fukui | [Invited Talk]
A Design and Fabrication of 2.45GHz-Band High Efficiency Class-F Power Amplifier using GaN-HEMT Gaku Nishio, Toshio Ishizaki (Ryukoku Univ.) MW2014-205 ICD2014-118 |
For APMC2014 Student Design Competition, a GaN-HEMT amplifier was designed. First, a basic amplifier that does not take ... [more] | MW2014-205 ICD2014-118 pp.19-22 |
| MW, ED | 2015-01-16 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Digital Doherty Transmitter with Envelope ΔΣ Modulated Class-D GaN Amplifier for 800 MHz band Keiichi Motoi (NEC), Andreas Wentzel (FBH), Masaaki Tanio, Shinichi Hori, Makoto Hayakawa (NEC), Wolfgang Heinrich (FBH), Kazuaki Kunihiro (NEC) ED2014-131 MW2014-195 |
This paper presents a novel transmitter (Tx) architecture combining voltage-mode class-D power amplifiers (PAs) with an ... [more] | ED2014-131 MW2014-195 pp.83-88 |
| AP (2nd) |
2015-01-08 09:40 |
Overseas | PTIT, Ho Chi Minh City, Vietnam | 0.5W S-BAND POWER AMPLIFIER: DESIGN AND IMPLEMENTATION Doan Truong Van, Dong-Anh Doan, Linh Mai, Van-Su Tran, Binh-Duong Nguyen, Long-Binh Mai Quang, Liem Kieu Trung (HCMIU) |
Design and implementation of the class-A Power Amplifier (PA) circuit board using GaAs transistor MGF430A and working at... [more] | |
| MW | 2014-11-21 10:55 |
Nagasaki | Nagasaki Univ. | Quadrature-modulation Transmitter with Tri-level Delta-sigma Modulation for Generating Bi-level EPWM Signal Takashi Noda, Wataru Someya, Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2014-139 |
This paper presents a quadrature-modulation (QM) envelope-pulse-width-modulation (EPWM) transmitter with delta-sigma tri... [more] | MW2014-139 pp.83-88 |
| MW | 2014-11-21 11:20 |
Nagasaki | Nagasaki Univ. | A Polar-modulation EPWM Transmitter with a Class-D Amplifier for OFDM Transmission Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Sience) MW2014-140 |
Power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the available types o... [more] | MW2014-140 pp.89-94 |
| EE | 2014-10-10 13:00 |
Tokyo | The Kikai-Shinko-Kaikan Bldg. | Fast Repsponse Class E Amplifier with EPWM-EER Archtecture Tadashi Suetsugu (Fukuoka Univ.), Naoki Oyama (MTV), Shotaro Kuga, Xiuqin Wei (Fukuoka Univ.) EE2014-16 |
The EER transmission system was introduced to exploit high efficiency switching power amplifiers in the high PAPR tran... [more] |
EE2014-16 pp.7-12 |
| EMCJ | 2014-04-18 13:55 |
Toyama | Univ. Toyama | Development of High Sensitivity On-chip Active Magnetic Field Probe for IC-chip level RF EM Noise Measurement Yojiro Shigeta, Noriyuki Sato, Kaoru Arai, Masahiro Yamaguchi (Tohoku Univ.), Singo Kageyama (TDC) EMCJ2014-3 |
An on-chip active magnetic field probe having high sensitivity and high spatial resolution simultaneously has been desig... [more] | EMCJ2014-3 pp.13-18 |
| MW | 2014-03-05 15:25 |
Ehime | Ehime University | Modulation Accuracy of a Polar-modulation EPWM Transmitter with a NMOS-type Class-D Power Amplifier Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2013-221 |
Switching-mode power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the av... [more] | MW2013-221 pp.139-144 |
| MW | 2013-05-31 15:00 |
Kyoto | Ryukoku Univ. | A 2.1GHz-Band 20W GaN Power Amplifier with Class-F Circuit Considering Parasitic Elements Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ.) MW2013-24 |
In this paper, a design method of Class-F power amplifier considering parasitic elements will be shown. Recently, many s... [more] | MW2013-24 pp.83-87 |
| NLP | 2013-03-14 13:00 |
Chiba | Nishi-Chiba campus, Chiba Univ. | Parallel Connected Class D Amplifiers for RF Power Source Applications Tadashi Suetsugu, Xiuqin Wei (Fukuoka Univ.), Tomoharu Nagashima, Hiroo Sekiya (Chiba Univ.) NLP2012-150 |
This paper researches about influence of multi-frequency operation of parallel connected class D amplifiers. It can be ... [more] | NLP2012-150 pp.33-36 |
| NLP | 2013-03-14 13:25 |
Chiba | Nishi-Chiba campus, Chiba Univ. | Analysis of Class-E_M Amplifier Taking into Acount Drain Current Fall Time Zhicai Zhang, Tomoharu Nagashima (Chiba Univ.), Xiuqin Wei (Fukuoka Univ.), Hiroo Sekiya (Chiba Univ.) NLP2012-151 |
The class EM amplifier is composed of class E amplifier and auxiliary circuit output harmonic. The class EM amplifier ac... [more] | NLP2012-151 pp.37-42 |
| NC, NLP | 2013-01-25 17:40 |
Hokkaido | Hokkaido University Centennial Memory Hall | Bifurcation Phenomena of the Class-EM Amplifier with One Input Signal Ryuta Nakamura (Oita Univ.), Xiuqin Wei (Fukuoka Univ.), Takuji Kousaka (Oita Univ.), Hiroo Sekiya (Chiba Univ.) NLP2012-143 NC2012-133 |
The class-E$_{\textrm M}$ amplifier with one input signal is an improved version of the class-E$_{\textrm M}$ amplifier ... [more] | NLP2012-143 NC2012-133 pp.223-226 |
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