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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ED, MW | 2024-01-26 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Study of Determining the Target Characteristics of Quadrature Hybrids and Power Dividers Consisting a Six-Port Reflectometer-type VNA Yo Tsubaki, Taiyo Ushiyama, Satoshi Ono (UEC)  ED2023-76 MW2023-168 |
A vector network analyzer (VNA) using six-port reflectometers is expected to be less expensive than a conventional VNA b... [more] | ED2023-76 MW2023-168 pp.52-57 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-21 09:35 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Design and Optimization of Nine-Section Broadband Quadrature Hybrid Coupler Using Strip Line Structure Taiyo Ushiyama, Tsuyoshi Narita, Sayu Tomioka, Satoshi Ono (UEC), Sho Masui, Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46 |
To upgrade the IF bandwidth of radio telescopes, we are developing a broadband quadrature hybrid coupler using strip lin... [more] | EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46 pp.208-213 |
| MW | 2022-06-09 14:00 |
Nagano | Naganoken Nokyo Building (Primary: On-site, Secondary: Online) |
Design and fabrication of stripline type of quadrature hybrid couplers for 3 to 21 GHz band Satoshi Ono, Tsuyoshi Narita (UEC), Sho Masui (OPU/NAOJ), Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) MW2022-24 |
In this study, design and fabrication of broadband quadrature hybrid couplers are shown. Broadside Stripline type of cou... [more] | MW2022-24 pp.7-12 |
| EST, MW, EMCJ, IEE-EMC [detail] | 2021-10-08 13:50 |
Online | Online | Design of a three-section-type Quadrature Hybrid Coupler using broad-side and offset coupled lines in stripline structure Tsuyoshi Narita, Satoshi Ono, Koji Wada (UEC) EMCJ2021-49 MW2021-61 EST2021-51 |
In this study, a three-section-type quadrature hybrid coupler for an IF(Intermediate frequency)-band image rejection mix... [more] | EMCJ2021-49 MW2021-61 EST2021-51 pp.106-111 |
| LQE, OPE, CPM, EMD, R | 2019-08-22 13:30 |
Miyagi | [Invited Talk]
Progress of InP-based Monolithically Integrated Photonic Devices and Future Prospect Towards Beyond Tbps Era Hideki Yagi (SEI) R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25 |
InP-based photonic devices have yielded the monolithic integration of various functionalities in addition to miniaturi... [more] |
R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25 pp.5-9 |
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| 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 |
|
| EMCJ, WPT (Joint) |
2018-06-14 15:30 |
Nagasaki | Rectenna Application of a Quadrature Hybrid Integrated Microstrip Antenna for Multi-Polarization Reception Muhammad Asad Rahman, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) WPT2018-11 |
This paper proposes a novel multi-layer microstrip antenna integrated with a quadrature hybrid suitable for wireless pow... [more] | WPT2018-11 pp.7-11 |
|
| 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 |
| LQE | 2016-12-16 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
InP-Based Monolithically Integrated Photonic Devices
-- Current Status and Future Prospect -- Hideki Yagi, Toshimitsu Kaneko, Hiroyuki Yoshinaga, Hajime Shoji (SEI) LQE2016-103 |
InP-based photonic devices have yielded monolithic integration of various functionalities in addition to miniaturization... [more] | LQE2016-103 pp.33-36 |
| EMCJ | 2011-11-25 13:55 |
Tokyo | Univ. of Electro-Communiations | Bandwidth-Enhancement of the Measurement of Complex Near EM-field on PCBs by Using 6-port Technique Toshihiro Takatsu (UEC), Kimitoshi Murano (Tokai Univ.), Yoshio Kami, Fengchao Xiao (UEC) EMCJ2011-90 |
A bandwidth enhanced method for the measurement of complex electromagnetic (EM) field by using a 6-port network is propo... [more] | EMCJ2011-90 pp.13-18 |
| EMCJ | 2011-01-28 15:25 |
Kumamoto | Kumamoto National College of Technology | A Measurement of Near Magnetic Field on PCBs by Using 6-port Technique Toshihiro Takatsu, Fengchao Xiao (UEC), Kimitoshi Murano (Tokai Univ.), Yoshio Kami (UEC) EMCJ2010-115 |
A method and network for measuring complex electromagnetic (EM) fields is proposed. The method is based on a network of ... [more] | EMCJ2010-115 pp.91-96 |
| MW | 2009-06-30 14:20 |
Aichi | Nagoya Institute of Technology | A Branch-Line Quadrature Hybrid with Multiple Spurious Suppressions Yukihiro Tahara, Tomoya Matsuda, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2009-25 |
Branch-line quadrature hybrids are widely used for various microwave applications such as antenna feed networks, power a... [more] | MW2009-25 pp.37-40 |
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