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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2021-03-05 11:20 |
Online | Online | A study on a high attenuation triplexer using chip components Tatsuki Yanagawa, Shinpei Oshima (ONCT), Masaya Tamura (TUT)  MW2020-93 |
In this study, we study a small triplexer with high attenuation performance. The specification of the triplexer is for G... [more] | MW2020-93 pp.13-16 |
| MW, ED | 2021-01-29 10:30 |
Online | Online | Study on a design theory for electromagnetically-coupled half-wavelength resonator filter Motoki Futatsuya, Toshio Ishizaki (Ryukoku Univ) ED2020-27 MW2020-80 |
Currently, the number of small base stations is being increased with the development of 5G communication technology. In ... [more] | ED2020-27 MW2020-80 pp.1-6 |
| MW, ED | 2019-01-17 10:00 |
Tokyo | Hitachi, Central Research Lab. | Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) ED2018-70 MW2018-137 |
In recent years, miniaturization and high performance of base station filters are regarded as important. In a filter, by... [more] | ED2018-70 MW2018-137 pp.7-12 |
| MW | 2017-12-20 09:20 |
Tokyo | Consideration of Multi-Pole for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-153 |
In recent years, further miniaturization and high performance of a filter for small base station are required. By formin... [more] | MW2017-153 pp.65-70 |
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| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | Design Method for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) |
Recently, miniaturization of duplexer used in base station is strongly expected. By creating attenuation poles near pass... [more] | |
| MW | 2017-05-19 10:30 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Fundamental Consideration of Passband Design for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-15 |
Recently,many small base stations are installed additionally. But, duplexer occupies about half of the volume of a small... [more] | MW2017-15 pp.43-47 |
| MW, ICD | 2017-03-02 09:25 |
Okayama | Okayama Prefectural Univ. | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength and Quarter-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2016-189 ICD2016-119 |
In wireless systems,filter with a desired performance is used. However, sometimes,an additional bandpass filter might be... [more] | MW2016-189 ICD2016-119 pp.7-12 |
| 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 11:30 |
Kanagawa | National Defense Academy | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2016-161 |
Usually, duplexers used in base station consist of transmitting and receiving filters, both of which are 10- to 15-pole ... [more] | MW2016-161 pp.165-170 |
| MW | 2016-12-16 14:10 |
Kanagawa | National Defense Academy | A Design of a Diplexer with Attenuation Poles using a Common Resonator and Quarter-Wave Stepped Impedance Resonators Kazuki Adachi, Satoshi Ono, Koji Wada (UEC) MW2016-164 |
In this study, a 2.1 GHz band bandpass filter (BPF) is composed of single mode stepped impedance resonators (SIRs) and a... [more] | MW2016-164 pp.183-188 |
| MW | 2014-05-22 11:45 |
Kyoto | Doshisha Univ. | A study of a microstrip line resonator composed of a capacitor-loaded coupled line and its application to miniaturized BPF with attenuation poles Masatoshi Kawamata, Takanori Fukunaga, Koji Wada (UEC) MW2014-29 |
In this study, we rst examine the resonant frequencies and attenuation poles of a resonator which consists of an open-c... [more] | MW2014-29 pp.31-36 |
| MW | 2013-06-27 14:10 |
Aichi | Nagoya Institute of Tech. | [Special Talk]
Development of the 8-pole 2GHz band spiral resonator BPF which formed the attenuation pole by tap electric supply Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ) MW2013-35 |
In this paper, the characteristics of the filter, which was fabricated for 2012 student microwave circuit design contest... [more] | MW2013-35 pp.29-33 |
| MW | 2012-10-18 09:40 |
Tochigi | Utsunomiya Univ. | A Study of an LTCC Substrate-Based Diplexer with Attenuation Poles Using BPFs Consisting of Tapped -1st Order CRLH Transmission Line Resonators Kentaro Iwamoto (UEC), Hiroshi Hara (TAIYO YUDEN), Shinpei Oshima (ONCT), Ryuji Murata, Hitoshi Ebihara (TAIYO YUDEN), Koji Wada (UEC) MW2012-83 |
Bandpass filters(BPFs) using tapped -1st order composit right/left-handed(CRLH) transmission line resonators are propose... [more] | MW2012-83 pp.13-18 |
| MW | 2012-06-29 14:45 |
Gifu | Gifu Univ. | An Improvement of Group Delay Characteristic for Coupled Resonators Filter using Complex Transmission zeros. Koichi Murasawa, Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) MW2012-23 |
The improvement methods of group delay characteristic for coupled resonators filter with attenuation poles in finite fre... [more] | MW2012-23 pp.25-30 |
| MW | 2011-10-20 16:00 |
Tokyo | The University of Electro-Communications | A Study of LTCC Substrate-Based BPFs with Attenuation Poles by Using CRLH Transmission Line Resonators Kentaro Iwamoto, Yusaku Sasanami, Naoki Miyata (UEC), Shinpei Oshima, Ryuji Murata (UEC/TAIYO YUDEN), Hitoshi Ebihara (TAIYO YUDEN), Koji Wada (UEC) MW2011-97 |
Composite right/left-handed transmission line resonators based on element-loading, the tap-coupling method and the use o... [more] | MW2011-97 pp.63-68 |
| MW | 2011-10-20 16:25 |
Tokyo | The University of Electro-Communications | Resonance Characteristics of CRLH Microstrip Line Resonators with Attenuation Poles and their Application to Bandpass Filters Yusaku Sasanami, Kentaro Iwamoto, Naoki Miyata (UEC), Norimasa Ishitobi (Sonnet Giken Co.,Ltd.), Koji Wada (UEC) MW2011-98 |
-1st order resonance frequency based composite right/left-handed(CRLH) transmission line resonators with attenuation pol... [more] | MW2011-98 pp.69-74 |
| MW | 2011-10-20 16:50 |
Tokyo | The University of Electro-Communications | A Study of a 26GHz Band Microstrip Line BPF Using Hairpin Type SIRs Yusuke Takahashi (UEC), Shinichiro Okano, Kazushi Kofune, Yasuhiro Ikarashi (ALPS ELECTRIC), Mitsuo Makimoto, Fuminori Sakai (Sakura Tech), Koji Wada (UEC) MW2011-99 |
In this study, a microstrip line BPF with attenuation poles by using hairpin type stepped impedance resonators is propos... [more] | MW2011-99 pp.75-78 |
| 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 |
| EST | 2011-10-07 16:10 |
Nagasaki | Nagasaki Prefectural Art Museum | Theoretical Design of Wideband Filter Using Parallel-Coupled-Three-Line-Unit with Attenuation Poles Chun-Ping Chen, Ryouhei IInuma, Junya Takahashi, Tetsuo Anada (Kanagawa Univ.), Zhewang Ma (Saitama Univ.) EST2011-82 |
To implement wideband bandpass filters with improved skirt-selectivity and out-band characteristics, a new parallel-coup... [more] | EST2011-82 pp.95-100 |
| MW | 2010-12-16 14:25 |
Ishikawa | Kanazawa Inst. of Tech. | A Fundamental Study on Ultra-Wideband BPF with Attenuation Poles Takenori Yasuzumi, Masayoshi Kamada, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin University) MW2010-123 |
A new type of compact wideband BPF which consists of shunt parallel-coupled lines and two transmission lines with an inb... [more] | MW2010-123 pp.7-12 |
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