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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-02-29 14:55 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A design of H-plane waveguide directional coupler with X-type intersection Mitsuyoshi Kishihara, Koichiro Sakaguchi, Kensuke Okubo (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo)  MW2023-182 |
The cruciform directional coupler which consists of two rectangular waveguides crossing each other at right angles has b... [more] | MW2023-182 pp.43-47 |
| PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] | 2019-01-18 11:40 |
Osaka | Osaka University Nakanoshima Center | Dual-Parallel Electro-Optic Modulator Integrated with Microwave Hybrid Circuit for Compensation of Third-Order Inter Modulation Distortion Yuta Kashiwagi, Daichi Furubayashi, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Yukako Takizawa (Hyogo Pref. Inst. Tech.), Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2018-59 EMT2018-93 OPE2018-168 LQE2018-178 EST2018-106 MWP2018-77 |
A new optical compensation method of the third-order intermodulation distortion (IMD3) was proposed, we considered to mi... [more] | PN2018-59 EMT2018-93 OPE2018-168 LQE2018-178 EST2018-106 MWP2018-77 pp.161-165 |
| MW | 2017-12-19 15:50 |
Tokyo | Proposal of Reflective Circuit and Variable-Attenuation-Phase Shifter with Independently Controllable Amplitude and Phase Shosei Tomida, Satoshi Kitabayashi, Yuichi Miyaji, Masaya Tamura (Toyohashi Univ. of Tech.) MW2017-151 |
Variable attenuators and phase shifters are used in various wireless systems. However, there are few reports for miniatu... [more] | MW2017-151 pp.53-58 |
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| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 17:40 |
Kyoto | Doshisha University | Branch-Line-Couplers with Miniaturized Configuration Designed on LiNbO3 Substrate and their Application to Electro-optic SSB Modulators Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Tetsuya Kawanishi (NICT) PN2013-49 OPE2013-163 LQE2013-149 EST2013-98 MWP2013-69 |
The miniaturized branch-line coupler (BC) circuits were designed onto LiNbO3 substrates by two methods of using periodic... [more] | PN2013-49 OPE2013-163 LQE2013-149 EST2013-98 MWP2013-69 pp.81-86 |
| AP (2nd) |
2013-05-31 16:15 |
Ehime | Matsuyama Multi-Purpose Community Center | An Extension of Balanced and Unbalanced Mode Analysis for Balanced-Fed Asymmetric Antennas Nozomu Ishii (Niigata Univ.) |
It is well known that the unbalanced mode current flows on the outer conductor of the coaxial line, which is connected a... [more] | |
| AP, WPT (Joint) |
2012-08-27 10:35 |
Niigata | Niigata Univ. | Input Impedance Measurement of a Balanced Dipole Antenna Corrected by Considering Characteristic of 180-degree 3dB Hybrid Coupler Junki Hayakawa, Nozomu Ishii (Niigata Univ.) AP2012-69 |
It is known that the input impedance of balanced antennas can be measured with the 180-degree 3dB hybrid coupler. Howeve... [more] | AP2012-69 pp.7-12 |
| AP | 2012-01-10 15:15 |
Okinawa | Tenbusu Naha | Radiation Efficiency Measurement Based on Wheeler Method Using 90-degree 3dB Hybrid Coupler and Sliding Short Nozomu Ishii, Yohei Kobayashi (Niigata Univ.) AP2011-139 |
A measurement technique of arbitrary reflection coefficient using 90-degree 3dB hybrid coupler and sliding short is prop... [more] | AP2011-139 pp.27-28 |
| MW | 2011-10-20 14:30 |
Tokyo | The University of Electro-Communications | Design and Analysis of Tunable and Reduced-Size Branch-Line 3dB Hybrid Satoshi Kondo (GNCT), Hajime Kondo (CHUO ELEC.), Hitoshi Ishida (GNCT) MW2011-94 |
In this paper, the authors make a study on tunable and reduced-size branch-line 3dB hybrid. Tuning capacitors are employ... [more] | MW2011-94 pp.45-50 |
| AP, WPT (Joint) |
2011-10-14 16:25 |
Kanagawa | Kanagawa Womens Center | Uncertainty of Radiation Efficiency Measurement Based on Wheeler Method Using Two Novel Estimations for Reflection Coefficients Yohei Kobayashi, Nozomu Ishii (Niigata Univ.) AP2011-88 |
Several mesurement techniques using $180^\circ$ 3dB hybrid coupler or power divider were proposed to reduce the uncertai... [more] | AP2011-88 pp.67-72 |
| MW | 2010-05-13 16:00 |
Hyogo | University of Hyogo | 11W output power C-X band broadband high power balanced amplifier using GaN HEMT Eigo Kuwata, Koji Yamanaka, Tasuku Kirikoshi, Akira Inoue, Yoshihito Hirano (MELCO) MW2010-17 |
This paper reports on GaN HEMT (Gallium Nitride High Electron Mobility Transistor) HIC (Hybrid Integrated Circuit) high ... [more] | MW2010-17 pp.17-22 |
| MW | 2009-12-18 11:00 |
Ishikawa | Kanazawa Inst. of Tech. | A Tandem 3-dB Hybrid Coupler Using Coupled Lines With Series Capacitance Motomi Abe, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corporation) MW2009-154 |
A novel tandem 3-dB hybrid coupler using coupled lines with series capacitance is presented. The desired coupling hybrid... [more] | MW2009-154 pp.63-68 |
| OPE, EMT, MW | 2009-07-31 09:50 |
Hokkaido | Asahikawa Civic Culture Hall | C-Ku band 120% relative bandwidth high efficiency high power amplifier using GaN HEMT Eigo Kuwata, Koji Yamanaka, Tasuku Kirikoshi, Akira Inoue, Yoshihito Hirano (Mitsubishi electric corp) MW2009-68 OPE2009-68 |
This paper reports on GaN HEMT (Gallium Nitride High Electron Mobility Transistor) HIC (Hybrid Integrated Circuit) high ... [more] | MW2009-68 OPE2009-68 pp.205-209 |
| MW | 2009-06-30 13:55 |
Aichi | Nagoya Institute of Technology | A TE10 -TE20 Mode Transducer Utilizing a Right-Angled Corner and Its Applications to Design of Passive Components Satoshi Matsumoto (Furuno Electric Co.ltd.,), Isao Ohta, Kensuke Fukada, Tadashi Kawai (Univ. of Hyogo), Ken'ichi Iio, Takuo Kashiwa (Furuno Electric Co.ltd.,) MW2009-24 |
This paper describes a constitution method of a TE10-TE20 mode transducer utilizing an H-plane right-angled corner compo... [more] | MW2009-24 pp.31-36 |
| MW | 2007-05-21 13:30 |
Hyogo | University of Hyogo | Tri-Band/Broadband Matching Techniques for 3-dB Branch-Line Couplers Sadami Tanigawa (Univ. of Hyogo), Kunihiko Hayashi (Hanshin Electric), Takao Fujii, Isao Ohta, Tadashi Kawai (Univ. of Hyogo) MW2007-12 |
This paper presents design methods of 3-dB branch-line couplers operating at two arbitrary frequencies and the centre of... [more] | MW2007-12 pp.1-5 |
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