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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 (2nd) |
2012-12-21 10:45 |
Okinawa | KDDI Naha Building 6F | Analysis of a Practical Balanced Dipole Antenna Using Balanced and Unbalanced Modes Junki Hayakawa, Nozomu Ishii (Niigata Univ) |
In this report, we estimate the ratio between the balanced and unbalanced modes which are excited on the practical balan... [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 |
| 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 | 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 |
| EMCJ | 2009-01-23 13:00 |
Fukuoka | Depend on cable configuration for Radiated Electromagnetic Fielad from Multi-Pair Cable by Using Method of Moment Naoki Kojima (Kyutech), Masato Kawabata (Fukuoka Industrial Technology Center), Nobuo Kuwabara (Kyutech) EMCJ2008-105 |
The radiated electromagnetic field from an UTP cable might become a problem of EMC because of an increase in the signal ... [more] | EMCJ2008-105 pp.17-22 |
|
| US | 2008-09-26 11:30 |
Miyagi | Complex Coefficient SAW Filters for Balanced Amplifier Yasutsugu Yamashita, Tatsuya Omori, Ken-ya Hashimoto, Masatsune Yamaguchi (Chiba Univ.) US2008-43 |
This paper proposes a complex coefficient SAW filter offering the functionality same with the 90 degree hybrid coupler w... [more] | US2008-43 pp.63-68 |
|
| OCS | 2007-07-20 10:10 |
Yamagata | Denkoku-No-Mori (Yonezawa) | [Invited Talk]
High Speed Optical Functional Modulators and Optical Switch Module Using Hybrid Assembly Technique with Silica-Based PLCs and LiNbO3 Devices Takashi Yamada, Motohaya Ishii, Yohei Sakamaki, Kenya Suzuki, Shinji Mino, Akimasa Kaneko, Akihide Sano, Yutaka Miyamoto (NTT) OCS2007-21 |
We introduce a technique for the hybrid assembly of PLCs and LN waveguide device. This technique makes it possible to re... [more] | OCS2007-21 pp.3-8 |
| 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 |
| EMCJ, MW | 2006-10-27 10:30 |
Aomori | Hachinohe Institute of Technology | A Design Procedure of Branch- and Rat-Race-Type Couplers with Arbitrary Resistive Loads Takeshi Oshima, Masataka Ohtsuka (Mitsubishi Electric Corp.) EMCJ2006-65 MW2006-121 |
In this report, a design procedure of branch- and rat-race-type couplers with arbitrary resistive loads is described. Th... [more] | EMCJ2006-65 MW2006-121 pp.81-86 |
| EMCJ, MW | 2006-10-27 11:10 |
Aomori | Hachinohe Institute of Technology | H-Plane Waveguide Eight-Port Hybrid and Its Application to Directional Coupler with Variable Coupling Factor Katsunori Toda, Isao Ohta (Univ. Hyogo), Mitsuyoshi Kishihara (Okayama Pref. Univ.) EMCJ2006-66 MW2006-122 |
This paper suggests an eight-port hybrid consisting of four cruciform H-plane 3-dB hybrids connected with each other and... [more] | EMCJ2006-66 MW2006-122 pp.87-91 |
| MW | 2006-05-18 15:10 |
Shiga | Size-Reduction of Broadband 3-dB CPW Branch-Line Couplers Shinya Johnosono (Murata Manufacturing), Takao Fujii, Isao Ohta (Univ. of Hyogo) |
A coplanar waveguide can be easily loaded with a series reactance by making a double structure of the strip conductor us... [more] | MW2006-15 pp.19-24 |
|
| SCE, MW | 2006-04-20 09:00 |
Tokyo | ISTEC-SRL (Shinonome) | A Design Procedure of Broadband Branch-Type Hybrids Based on Network Synthesis Theory Takeshi Oshima, Hideyuki Soutome, Masataka Ohtsuka, Yonehiko Sunahara (Mitsubishi Electric Corp.) |
In this report, a design procedure of broadband branch-type hybrids is described based on the network synthesis theory. ... [more] | SCE2006-1 MW2006-1 pp.1-6 |
| ED, MW | 2006-01-20 11:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 90 Degree Hybrid with Insensitivity to Misalignment and Thickness Variation of Multi-layered LTCC Substrate Takeshi Yuasa, Yukihiro Tahara, Hideyuki Oh-hashi (Mitsubishi Electric Co.) |
90 degree hybrid in multi-layered low temperature co-fired ceramic (LTCC) substrate which is insensitive to misalignment... [more] | ED2005-214 MW2005-168 pp.31-35 |
| MW | 2005-09-12 15:15 |
Tokyo | Construction of Distributed Coupled-line 3-dB hybrid in Fully-Planar Structure Takao Fujii, Isao Ohta (Univ. of Hyogo) |
This paper presents a construction of coupled-line 3 dB couplers in a fully-planar structure. By connecting two identica... [more] | MW2005-73 pp.61-65 |
|
| MW | 2005-09-12 15:40 |
Tokyo | Cruciform Waveguide Directional Couplers Katsunori Toda, Isao Ohta, Yoshihiro Yumita (Univ. of Hyogo), Mitsuyoshi Kishihara (Okayama Pref. Univ.) |
This paper suggests a very compact waveguide directional coupler with tight coupling of 3-dB or so, which is composed of... [more] | MW2005-74 pp.67-72 |
|
| EMCJ | 2005-09-09 14:40 |
Kyoto | Kyoto University | Investigation of four-port network model for emitted electromagnetic field analysis from UTP cable more than 1GHz Hiroto Tamaki (KIT), Yasuhiro Ishida (FITC), Nobuo Kuwabara (KIT) |
When the speed of communication signal propagating through a UTP cable goes high, electromagnetic field radiated from a ... [more] | EMCJ2005-75 pp.97-102 |
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