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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ICTSSL, CAS | 2023-01-27 16:20 |
Tokyo | TBD (Primary: On-site, Secondary: Online) |
Dual power supply based tunable BPF with tunability of center frequency and bandwidth using tunable LPF and tunable HPF Wataru Taniuchi, Koji Wada (UEC)  CAS2022-93 ICTSSL2022-57 |
This paper proposes a dual power supply based tunable bandpass filter (BPF) with tunability of center frequency and band... [more] | CAS2022-93 ICTSSL2022-57 pp.151-156 |
| AP, MW (Joint) |
2022-09-14 15:40 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Study of Tunable BPF for Software Defined Radio with High Tuning Ratio of Center Frequency Akehito Shiotake, Satoshi Ono, Koji Wada (UEC) MW2022-69 |
Software-defined radio (SDR) technique is widely used as receivers in many wireless systems. The Bandwidth of the SDR r... [more] |
MW2022-69 pp.7-12 |
| MW | 2021-03-05 10:30 |
Online | Online | Design of Tunable Filtering Array Antenna with Constant Absolute Bandwidth Takuya Sakemoto, Masataka Ohira, Zhewang Ma (Saitama Univ.), Akihiiro Yamada (Nippon Antenna) MW2020-91 |
In recent years, the demand for tunable antennas has been increasing with the rapid growing various wireless communicati... [more] | MW2020-91 pp.1-6 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Spectral linewidth reduction of hybrid tunable laser by loading optical negative feedback circuit Tatsuki Komatsubara, Toshiaki Okachi (Waseda Univ.), Nobuhide Yokota, Hiroshi Yasaka (Tohoku Univ.), Tomohiro Kita (Waseda Univ.) OPE2020-71 LQE2020-51 |
Spectral linewidth of a hybrid tunable laser consisted from SOA and Si optical circuits is reduced by loading an optical... [more] | OPE2020-71 LQE2020-51 pp.129-132 |
| ICTSSL, CAS | 2020-01-31 14:00 |
Tokyo | Study on a tunable multiplexer composed of tunable second-order BPFs using BST varactor loaded asymmetric hairpin resonators featuring easy adjustable of coupling coefficients. Haruka Ogikubo, Satoshi Ono, Koji Wada (UEC) CAS2019-89 ICTSSL2019-58 |
This report proposed an asymmetric hairpin resonator loaded with a BST varactor which is a variable capacitor made of ${... [more] | CAS2019-89 ICTSSL2019-58 pp.131-136 |
|
| MW, ED | 2019-01-18 14:50 |
Tokyo | Hitachi, Central Research Lab. | Design of Microstrip Tunable Filtering Antenna with Constant Absolute Bandwidth Tomoyasu Soma, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2018-87 MW2018-154 |
A tunable antenna that can change its resonant frequency electronically is one of promising components for future wirele... [more] | ED2018-87 MW2018-154 pp.97-102 |
| MW | 2017-05-19 13:50 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Ku-band Vector-Sum Phase Shifter Using LC-Type PPF With Adjustable Operating Frequency Takanobu Fujiwara, Koji Tsutsumi, Mitsuhiro Shimozawa (Mitsubishi Electric Corp.) MW2017-20 |
Recently many vector-sum phase shifters designed with cost-effective silicon process have been reported, featuring their... [more] | MW2017-20 pp.71-76 |
| CAS, ICTSSL | 2017-01-26 14:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Stepped Impedance Resonator Based Tunable Combline Bandpass Filter with Wide Tuning Range of Center Frequency by Single DC Power Supply Rei Abe, Kyota Otsuka, Satoshi Ono, Koji Wada (UEC) CAS2016-88 ICTSSL2016-42 |
This paper proposes a tunable combline type of bandpass filter (BPF) using stepped impedance resonator(SIR) with wide tu... [more] | CAS2016-88 ICTSSL2016-42 pp.57-60 |
| CAS, ICTSSL | 2017-01-26 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Frequency tunable BPF using high frequency switch and varactor diode-loaded resonators with attenuation poles and varactor diode loaded m type admittance inverters Soichi Tsuji, Satoshi Ono, Koji Wada (UEC) CAS2016-89 ICTSSL2016-43 |
In this study, a frequency controllable band pass filter (BPF) with wide variable range of the center frequency is compo... [more] | CAS2016-89 ICTSSL2016-43 pp.61-64 |
| MW | 2016-12-16 13:50 |
Kanagawa | National Defense Academy | Study of superconducting tunable dual-band bandpass filter with independently controllable center frequencies Takahiro Unno, Naoto Sekiya (Yamanashi Univ.) MW2016-163 |
We have developed a tunable dual-band bandpass filter (DBPF) with independently controllable center frequencies by diele... [more] | MW2016-163 pp.177-181 |
| MW | 2016-11-18 10:55 |
Saga | Saga Univ. | A Compact Tunable Bandpass Filter Using a Triple-mode Resonater Consisting of Lumped Elements and Varactor Diodes Kyota Otsuka, Satoshi Ono, Koji Wada (UEC) MW2016-127 |
This paper proposes the simplified design method of a triple-mode resonator consisting of lumped elements. The resonant ... [more] | MW2016-127 pp.63-68 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 17:05 |
Hokkaido | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 |
In recent years, traffic demand for mobile communications continues to increase, which causes the necessity of developin... [more] | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 pp.67-70 |
|
| MW, ICD | 2015-03-05 13:45 |
Fukui | University of Fukui | Bandwidth Deviation Controlled Reconfigurable Bandpass Filter Using LC Parallel Coupling Circuit Takumi Kato, Ryosuke Kobayashi, Tetsunari Saito, Yasushi Yamao (UEC) MW2014-209 ICD2014-122 |
In recent years, mobile terminals have been required to cover wide range of RF frequencies for globalization and high ca... [more] | MW2014-209 ICD2014-122 pp.37-42 |
| AP (2nd) |
2013-05-31 15:15 |
Ehime | Matsuyama Multi-Purpose Community Center | Investigation of low loss half-mirror for tunable filter over 100 GHz Takashi Kawamura, Akihito Otani (Anritsu) |
Rapid advances in millimeter-wave wireless communication technologies require accurate spectrum analysis in the frequenc... [more] | |
| US | 2012-10-22 15:30 |
Ishikawa | Kanazawa Inst. Tech. | Widely Tunable Surface Acoustic Wave Filters Masahiro Inaba, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) US2012-66 |
Tunable RF filters are strongly demanded for developing a reconfigurable RF front-end supporting multi-band and multi-st... [more] | US2012-66 pp.13-16 |
| MW | 2012-10-18 10:55 |
Tochigi | Utsunomiya Univ. | A study of amount of frequency shift of tunable BPFs using various ring resonators under the condition that RF switches are used Takanori Fukunaga, Koji Wada (UEC) MW2012-86 |
First, we examine by circuit simulator about the amount of frequency shift and matching of tunable band pass filters (BP... [more] | MW2012-86 pp.29-34 |
| MW | 2012-03-02 11:45 |
Saga | Saga University | A Hairpin Tunable BPF with Series Resonator Circuit Yusuke Kitsukawa, Kenichi Tajima, Kenji Kawakami (Melco) MW2011-183 |
This paper present a hairpin tunable BPF(Band Pass Filter) with series resonator circuits. The proposed tunable BPF is c... [more] | MW2011-183 pp.87-90 |
| MW | 2011-12-16 09:30 |
Yamaguchi | Yamaguchi University | A Study on Ultra-Wideband Bandpass Filter with Tunable Notch-Band Masayoshi Kamada, Takenori Yasuzumi, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) MW2011-133 |
An ultra-wideband bandpass filter (UWB BPF) along with a tunable notch circuit is proposed in this paper. We have examin... [more] | MW2011-133 pp.41-46 |
| MW | 2011-10-21 09:00 |
Tokyo | The University of Electro-Communications | A study of tunable coupled-line bandpass filters with attenuation poles under the use of RF switches Yoshiaki Takaoka (UEC), Norimasa Ishitobi (Sonnet Giken), Koji Wada (UEC) MW2011-100 |
In this paper, we propose bandpass filters (BPFs) which combined two or more coupled-lines, and assume use of high frequ... [more] | MW2011-100 pp.79-82 |
| AP, MW (Joint) |
2011-03-03 11:25 |
Ibaraki | Ibaraki Univ. | Center Frequency and Bandwidth Tunable Filter with Symmetric Attenuation Characteristics Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2010-156 |
This paper proposes a novel tunable resonator and bandpass filter that have symmetric attenuation characteristics about ... [more] | MW2010-156 pp.23-26 |
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