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Technical Committee on Microwaves (MW) (Searched in: 2008)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SCE, MW | 2008-04-22 09:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | - - (UEC), Yukihiro Shimakata, Ryuji Murata, Shinpei Oshima (TAIYO YUDEN), Koji Wada (UEC)  SCE2008-1 MW2008-1 |
In this study, transmission characteristics of bandpass filter(BPFs) using open-circuited end resonators are analyticall... [more] | SCE2008-1 MW2008-1 pp.1-6 |
| SCE, MW | 2008-04-22 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | - Yusuke Suga (UEC), Kenichi Ohta (TAIYO YUDEN), Koji Wada (UEC) SCE2008-2 MW2008-2 |
In this paper, a tunable wide-passband bandpass filter(BPF) with attenuation poles based on distributed tap-coupling res... [more] | SCE2008-2 MW2008-2 pp.7-12 |
| SCE, MW | 2008-04-22 09:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Millimeter-Wave Reflection-Type Dual-Frequency VCO with a Coupled Line Hiroyuki Mizutani, Kazuhiro Nishida, Masaomi Tsuru, Kenji Kawakami, Morishige Hieda (Mitsubishi Electric Corp.) SCE2008-3 MW2008-3 |
In order to eliminate a multiplier that doubles the output frequency of a millimeter-wave phase locked oscillator, we st... [more] | SCE2008-3 MW2008-3 pp.13-18 |
| SCE, MW | 2008-04-22 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Discussion on the method of the performance improvement of 5.2GHz-Band VCO Shinichi Sasaki, Akihiro Imada, Ramesh Pokharel, Haruichi Kanaya, Keiji Yoshida (Kyushu Univ) SCE2008-4 MW2008-4 |
We designed and measured the Voltage Controlled Oscillator (VCO) with coplanar waveguide (CPW) resonator at 2.4GHz and 5... [more] | SCE2008-4 MW2008-4 pp.19-24 |
| SCE, MW | 2008-04-22 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Development of a One-Sided Directional Planer Antenna with Matching Circuit Yuta Nakamura, Ryusuke Nabeshima, Ramesh Pokharel, Haruichi Kanaya, Keiji Yoshida (Kyushu Univ) SCE2008-5 MW2008-5 |
In this paper, we propose the theory for the broadband impedance matching circuit which connects an electrically small a... [more] | SCE2008-5 MW2008-5 pp.25-30 |
| SCE, MW | 2008-04-22 10:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Power handling capability of sliced micro strip line filters using NbN thin films Masahiro Uno, Shinji Takeuchi, J. H. Lee, Haruki Kinouchi, Takuya Kato, Shigehiro Ohta, Satoshi Ono, Atsushi Saito, Shigetoshi Ohshima (Yamagata Univ.) SCE2008-6 MW2008-6 |
Sliced microstrip line resonator (MSLR) filters were designed and fabricated using epitaxial NbN thin films for use as h... [more] | SCE2008-6 MW2008-6 pp.31-36 |
| SCE, MW | 2008-04-22 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental study on tunable high temperature superconducting filter using novel trimming technique Naoto Sekiya, Syamsul Bahari, Shoji Kakio, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2008-7 MW2008-7 |
In this paper, experimental study on novel trimming technique for high temperature superconducting filter is described. ... [more] | SCE2008-7 MW2008-7 pp.37-42 |
| SCE, MW | 2008-04-22 11:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Power Handling Characteristics of a HTS Dual-mode Ring Resonator Filter Masatoshi Ishii, Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka (Fujitsu Ltd.) SCE2008-8 MW2008-8 |
For mobile communication systems, a transmitting band pass filter with high cutoff performance will be required. A ring ... [more] | SCE2008-8 MW2008-8 pp.43-46 |
| SCE, MW | 2008-04-22 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Doherty Power Amplifier with a Series Connected Load Yoichiro Takayama, Kazuhiko Honjo (Univ. Electro-Comm.) SCE2008-9 MW2008-9 |
Doherty amplifiers are expected as a high-efficiency microwave power amplifier at wide output power back-off region. Doh... [more] | SCE2008-9 MW2008-9 pp.47-52 |
| SCE, MW | 2008-04-22 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | GaN HEMT broadband high efficiency amplifier Koji Yamanaka, Hiroshi Otsuka, Yoshinori Tsuyama, Shin Chaki, Akira Inoue (Mitsubishi Electric Corp.) SCE2008-10 MW2008-10 |
In this paper, circuit technologies for GaN HEMT broadband high efficiency amplifiers are presented. Cat-CVD technique e... [more] | SCE2008-10 MW2008-10 pp.53-58 |
| SCE, MW | 2008-04-22 15:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | X-Band 14W High Efficiency Internally-Matched HFET Kazutomi Mori, Jun Nishihara, Hiromitsu Utsumi, Akira Inoue, Moriyasu Miyazaki (Mitsubishi Electric Corp.) SCE2008-11 MW2008-11 |
An X-Band 14W high efficiency internally-matched HFET has been developed. In order to achieve high efficiency, not only... [more] | SCE2008-11 MW2008-11 pp.59-62 |
| SCE, MW | 2008-04-22 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Development of Automatic Tuning System of a High Temperature Superconducting Filter Shigetoshi Ohshima, Maya Osaka, Shinji Takeuchi, Takuro Kaneko, Atsushi Saito, Satoshi Ono (Yamagata Univ.) SCE2008-12 MW2008-12 |
The superconducting band-pass filter has the excellent performance with small insertion loss and high rejection properti... [more] | SCE2008-12 MW2008-12 pp.63-68 |
| SCE, MW | 2008-04-22 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Spurious Suppression Effect by HTS power bandpass filters for 5 GHz band Kazunori Yamanaka, Kazuaki Kurihara, Akihiko Akasegawa (Fujitsu Ltd.), Shunichi Futatsumori, Takashi Hikage, Toshio Nojima (Hokkaido Univ.) SCE2008-13 MW2008-13 |
For high temperature superconducting (HTS) power bandpass filters (BPFs), the developed resonator devices, the technolog... [more] | SCE2008-13 MW2008-13 pp.69-74 |
| SCE, MW | 2008-04-22 16:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Development of Superconducting Filter for Meteorological Radar Systems Noritsugu Shiokawa, Hiroyuki Kayano, Tamio Kawaguchi, Kohei Nakayama, Takatoshi Watanabe, Tatsunori Hashimoto (Toshiba) SCE2008-14 MW2008-14 |
We are developing frequency narrowing technology in order to narrow the bandwidth of 5 GHz-band meteorological radar sys... [more] | SCE2008-14 MW2008-14 pp.75-80 |
| MW | 2008-05-29 13:30 |
Kyoto | Kyoto Univ. | Wind observation in and around clouds by VHF radar, millimeter-wave radar, and visible lidar Masayuki Yamamoto (Kyoto Univ.), Yuichi Ohno (NICT), Takuji Nakamura (Kyoto Univ.), Makoto Abo (Tokyo Metropolitan Univ.), Hiroaki Horie, Hiroshi Kumagai (NICT), Chikao Nagasawa, Yasukuni Shibata (Tokyo Metropolitan Univ.), Mamoru Yamamoto, Hiroyuki Hashiguchi (Kyoto Univ.), Shoichiro Fukao (Tokai Univ.) MW2008-15 |
Doppler radar operated at VHF band (50 MHz or 6-m wavelength) observes vertical profiles of vertical and horizontal wind... [more] | MW2008-15 pp.1-6 |
| MW | 2008-05-29 13:55 |
Kyoto | Kyoto Univ. | Developement of Small and High Efficienct Rectenna for High Power Microwave Power Transmission Naoki Shinohara, Tomohiko Mitani, Jun-ichiro Kojima, Maki Hashitani (Kyoto Univ.) MW2008-16 |
In this paper, we show some new application of the high power microwave power transmission (MPT) on ground. Our proposed... [more] | MW2008-16 pp.7-10 |
| MW | 2008-05-29 14:20 |
Kyoto | Kyoto Univ. | Leaky Wave Radiation from Nonreciprocal Composite Right/Left Handed Transmission Lines Tetsuya Ueda, Ken Horikawa, Masahiro Akiyama (Kyoto Inst. of Tech.), Makoto Tsutsumi (Fukui Univ. of Tech.) MW2008-17 |
This report investigates leaky wave radiation from a nonreciprocal composite right/left handed transmission line using ... [more] |
MW2008-17 pp.11-16 |
| MW | 2008-05-29 14:55 |
Kyoto | Kyoto Univ. | [Invited Talk]
Research, Development and Standardization on MIllimeter Waves Hiroyo Ogawa (NICT) MW2008-18 |
[more] | MW2008-18 pp.17-22 |
| MW | 2008-05-29 15:50 |
Kyoto | Kyoto Univ. | [Invited Talk]
Contradiction in a study of metamaterials Ikuo Awai (Ryukoku Univ.) MW2008-19 |
Metamaterials are treated as continuous media, due to the fact that discrete electromagnetic structures behave as contin... [more] | MW2008-19 pp.23-28 |
| MW | 2008-05-30 10:20 |
Kyoto | Kyoto Univ. | Design of H-Plane Waveguide Cruciform Hybrid With Dielectric Posts Mitsuyoshi Kishihara (Okayama Pref. Univ.), Isao Ohta, Tadashi Kawai (Univ. of Hyogo), Kensuke Okubo, Jiro Yamakita (Okayama Pref. Univ.) MW2008-20 |
A compact H-plane waveguide cruciform coupler has been proposed by the authors. The cruciform coupler consists of two re... [more] | MW2008-20 pp.29-34 |
| MW | 2008-05-30 10:45 |
Kyoto | Kyoto Univ. | Unequal Wilkinson Power Dividers with In-/Reverse-Phase Using Lumped-Element Circuits Hiroyuki Mizuno, Tadashi Kawai, Isao Ohta (Univ. of Hyogo) MW2008-21 |
This paper treats a design method of lumped-element in-/reversed-phase Wilkinson power dividers with un-equal power spri... [more] | MW2008-21 pp.35-40 |
| MW | 2008-05-30 11:10 |
Kyoto | Kyoto Univ. | Two-Stage Quarter-Wavelength Transformer and Its Application to Loop Type Compact Multi-Way Power Divider Iwata Sakagami (UT), Tuya Wuren (TUT), Masafumi Fujii, Minoru Tahara (UT) MW2008-22 |
In the first, frequency characteristics of an original Bagley Polygon 5-way power divider and those of a proposed loop t... [more] | MW2008-22 pp.41-46 |
| MW | 2008-05-30 11:35 |
Kyoto | Kyoto Univ. | Studies for the Evaluation Method of the Microwave ferrite Nonlinearity Taro Miura, Lionel E. Davis (UoM) MW2008-23 |
Two methods to evaluate the intermodulation distortion (IMD) of a ferrite disc are proposed. The first one is an evaluat... [more] | MW2008-23 pp.47-52 |
| MW | 2008-05-30 13:00 |
Kyoto | Kyoto Univ. | Design of a Microstrip UWB Bandpass Filter Having Sharp Attenuations and Wide Stopbands Koji Watanabe, Zhewang Ma (Saitama Univ.), Chun-Ping Chen, Tetsuo Anada (Kanagawa Univ.), Yoshio Kobayashi (Saitama Univ.) MW2008-24 |
In this paper, a novel ultra-wideband (UWB) bandpass filter (BPF) having sharp attenuations and wide stopbands is design... [more] | MW2008-24 pp.53-58 |
| MW | 2008-05-30 13:25 |
Kyoto | Kyoto Univ. | Calculaions of frequency dependence of attenation constant using glass cloth laminate substrate in micro strip define translate Ryouhei Yoshitomi, Yoshio Kobayashi, Zhewang Ma (Saitama Univ.) MW2008-25 |
Propagation constant γ=α+jβ, where α is attenuation constant and β is phase constant, in a 50-ohm microstrip line constr... [more] | MW2008-25 pp.59-64 |
| MW | 2008-05-30 13:50 |
Kyoto | Kyoto Univ. | Compact Pseudo-Elliptic Function Ultra-wideband Bandpass Filter with Steep Skirt Selectivity Chun-Ping Chen, Hiroshige Nihei (Kanagawa Univ.), Zhewang Ma (Saitama Univ.), Tetsuo Anada (Kanagawa Univ.) MW2008-26 |
An efficient design scheme is proposed in order to implement a new UWB filter with improved skirt selectivity but keepin... [more] | MW2008-26 pp.65-70 |
| MW | 2008-05-30 14:15 |
Kyoto | Kyoto Univ. | Resonance Design Including Diode in Power Supply Circuit of RFID Tag Kota Nakamura, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of Science) MW2008-27 |
A UHF passive type RFID tag has severe power restrictions, and in order to heighten signal output electric power for the... [more] | MW2008-27 pp.71-76 |
| MW | 2008-05-30 14:50 |
Kyoto | Kyoto Univ. | A Novel Coupled-Line Forward Coupler using Composite Right-/Left-Handed Transmission Lines Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Elc. Co.) MW2008-28 |
Various coupled-line backward couplers using composite right-/left-handed transmission lines (CRLH TLs) have been previo... [more] | MW2008-28 pp.77-82 |
| MW | 2008-05-30 15:15 |
Kyoto | Kyoto Univ. | A Low Phase Noise VCO with Dual Tapped Line Resonator Kazuhiro Nishida, Hiroyuki Mizutani, Masaomi Tsuru, Kenji Kawakami, Morishige Hieda (Mitsubishi Electiric Corp.) MW2008-29 |
A VCO with dual tapped line resonator is presented for a low phase noise VCO. The active circuit and tuned circuit are c... [more] | MW2008-29 pp.83-86 |
| MW | 2008-05-30 15:40 |
Kyoto | Kyoto Univ. | Characteristics of C-Band High Power MMIC Harunobu Seita, Shigeaki Kawai, Kiyotaka Yamashita, Shigeo Kawasaki (Kyoto Univ.) MW2008-30 |
Compact and high power C-band amplifier circuit for active integrated phased array antennas was fabricated and examined.... [more] | MW2008-30 pp.87-92 |
| MW | 2008-06-27 09:00 |
Aichi | Toyohashi Univ. of Tech. | Propagation and Scattering Characteristics of Microwaves over Forests in WiMAX Wireless Communications Using FDTD Method Yasumitsu Miyazaki, Takuya Takada, Hiroki Tomita (Aichi Univ. of Tech.) MW2008-31 |
[more] | MW2008-31 pp.1-6 |
| MW | 2008-06-27 09:20 |
Aichi | Toyohashi Univ. of Tech. | Electromagnetic Scattering Theory of Car Body Imaging Using Scanning Millimeter Wave Radar Yasumitsu Miyazaki (Aichi Univ. of Tech.) MW2008-32 |
[more] | MW2008-32 pp.7-12 |
| MW | 2008-06-27 09:40 |
Aichi | Toyohashi Univ. of Tech. | Application of the Transverse Resonance Technique and Perturbation Method on Measurement of Complex Permittivity for Thick PZT Film by the Split Circular Cavity Resonator Method Kouji Shibata (Hachinohe I. T.), Takashi Iijima (AIST), Yoichiro Masuda (Hachinohe I. T.) MW2008-33 |
[more] | MW2008-33 pp.13-18 |
| MW | 2008-06-27 10:00 |
Aichi | Toyohashi Univ. of Tech. | 60GHz LTCC Dual Mode Filter Using 2λ Ring Resonator and λ/4 Open Stubs Satoshi Yoneda, Takeshi Yuasa, Tetsu Owada, Hideyuki Oh-hashi (Mitsubishi) MW2008-34 |
A dual-mode band pass filters (BPF) applying 1λ ring resonator is well known as an equivalent 2nd order BPF with one res... [more] | MW2008-34 pp.19-24 |
| MW | 2008-06-27 10:30 |
Aichi | Toyohashi Univ. of Tech. | Ring Resonators for Bandwidth and Center Frequency Tunable Filter Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi (NTT DoCoMo) MW2008-35 |
This paper presents novel and simple-structured tunable resonators for tunable bandpass filter that individually varies ... [more] | MW2008-35 pp.25-28 |
| MW | 2008-06-27 10:50 |
Aichi | Toyohashi Univ. of Tech. | A four-pole CPW dual-band bandpass filter Kei Satoh, Yuta Takagi, Shoichi Narahashi (NTT DoCoMo) MW2008-36 |
This paper proposes a newly developed CPW quarter-wavelength resonator with open stubs for use in a multipole dual-band ... [more] | MW2008-36 pp.29-32 |
| MW | 2008-06-27 11:10 |
Aichi | Toyohashi Univ. of Tech. | Two-Stage Transformer Design for Two Frequencies and Two Parameters and a Loop Type Power Divider Iwata Sakagami, Masafumi Fujii, Minoru Tahara (UT), Tuya Wuren (TUT) MW2008-37 |
On a planar compact multi-way power divider derived from the Bagley Polygon power divider, less area is needed on a PCB ... [more] | MW2008-37 pp.33-37 |
| MW | 2008-06-27 11:30 |
Aichi | Toyohashi Univ. of Tech. | Transmission Characteristics of High Permittivity Tape transmission Line Supported by Low Permittivity Substrate at Millimeter Wave Frequencies Ryo-ji Tamaru, Futoshi Kuroki (Kure Nat'l Coll of Tech) MW2008-38 |
[more] | MW2008-38 pp.39-42 |
| MW | 2008-06-27 13:00 |
Aichi | Toyohashi Univ. of Tech. | Characteristics of J-Shaped Monopole Array Antenna with Matching Circuit at UHF Band Shinya Kashihara, Futoshi Kuroki (Kure Nat'l Coll of Tech) MW2008-39 |
To develop compact and thin antennas at UHF-band, a printed J-shaped monopole array antenna was discussed for reception ... [more] | MW2008-39 pp.43-46 |
| MW | 2008-06-27 13:20 |
Aichi | Toyohashi Univ. of Tech. | Pseudo-Linear Circuit Theory for Sinusoidal Oscillator Performance Maximization Tuya Wuren, Takashi Ohira (Toyohashi Univ Tech) MW2008-40 |
This paper proposes an effective measure as objective function for quick optimization of the circuit topology and parame... [more] | MW2008-40 pp.47-52 |
| MW | 2008-06-27 13:40 |
Aichi | Toyohashi Univ. of Tech. | Phase Frequency Characteristics formulation and Active Q-Factor for Ladder Phase Shift Circuits Yoshitada Iyama (Kumamoto National College of Tech.) MW2008-41 |
Phase frequency characteristics formulation for ladder phase shift circuits is presented. The results indicate that a de... [more] | MW2008-41 pp.53-57 |
| MW | 2008-06-27 14:00 |
Aichi | Toyohashi Univ. of Tech. | Calculation of Q-factor in Self-Injection Locked NRD Guide Gunn Oscillator at 60 GHz Koichi Oue, Futoshi Kuroki (Kure Nat'l Coll of Tech), Tsukasa Yoneyama (Tohoku Inst of Tech) MW2008-42 |
[more] | MW2008-42 pp.59-62 |
| MW | 2008-06-27 14:30 |
Aichi | Toyohashi Univ. of Tech. | 400W GaN Solid-State Power Amplifier for X-Band Marine Radar Systems Junji Yamagata, Masaya Sawayanagi, Hiroki Sugawara, Masanori Sudoh (JRC) MW2008-43 |
We have developed a solid-state power amplifier (SSPA) for X-band marine radar systems employing new gallium nitride hig... [more] | MW2008-43 pp.63-68 |
| MW | 2008-06-27 14:50 |
Aichi | Toyohashi Univ. of Tech. | Efficiency Enhancement of GaN HEMTs with Harmonic Tuning Technique Koji Yamanaka, Hifumi Noto, Makoto Kimura, Kazuhisa Yamauchi, Yoshitaka Kamo, Eigo Kuwata, Hiroshi Otsuka, Akira Inoue (Mitsubishi Electric) MW2008-44 |
In this paper, high efficiency operation of GaN HEMTs with harmonic tuning is presented. As power density of GaN HEMTs i... [more] | MW2008-44 pp.69-74 |
| MW | 2008-06-27 15:10 |
Aichi | Toyohashi Univ. of Tech. | Wideband and high-efficiency feed-forward power amplifier employing a harmonic reaction amplifier Yasunori Suzuki, Shoichi Narahashi (NTTDoCoMo), Toshio Nojima (Hokudai) MW2008-45 |
This paper proposes a new feed-forward amplifier configuration that employs a harmonic reaction amplifier as the main am... [more] | MW2008-45 pp.75-80 |
| MW | 2008-06-27 15:40 |
Aichi | Toyohashi Univ. of Tech. | [Invited Talk]
Intelligent Smart Microchip Fused LSI and Sensor Technology Kazuaki Sawada, Hidekuni Takao, Makoto Ishida (Toyohashi Univ Tech) MW2008-46 |
For the society of ubiquitous sensor network, a development of smart microchip, which is integrated sensors, signal proc... [more] | MW2008-46 pp.81-84 |
| OPE, EMT, MW | 2008-07-24 09:00 |
Hokkaido | A proposal of spatially selective delivery method for wireless services using a Leaky coaXial Cable Atsushi Ono, Kenichi Nishikawa, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki (Osaka Univ.) MW2008-47 OPE2008-30 |
For the sake of using the frequency effectively, the Area Portal services to supply one’s own contents in specific area ... [more] | MW2008-47 OPE2008-30 pp.1-6 |
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| OPE, EMT, MW | 2008-07-24 09:25 |
Hokkaido | R&D on Radio on Free Space Optics Communication Systems
-- Study of RF signal transmission using FSO system through the atmosphere -- Kazuhiko Wakamori, Kamugsha Kazaura, Alam Shah, Pham Dat, Toshiji Suzuki, Koichi Takahashi, Kazunori Omae, Mitsuji Matsumoto, Takuro Sato (Waseda University), Takeshi Higashino, Yuji Aburakawa, Takuya Nakamura, Katsutoshi Tsukamoto, Shozo Komaki (Osaka University) MW2008-48 OPE2008-31 |
We are doing a Research and Development on Radio on Free Space Optics (RoFSO) Communication System in order to realize a... [more] | MW2008-48 OPE2008-31 pp.7-12 |
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| OPE, EMT, MW | 2008-07-24 09:50 |
Hokkaido | R&D on Radio on Free Space Optics Communication Systems
-- Design and evaluation of optical wireless systems -- Koichi Takahashi, Kazuhiko Wakamori, Kamugisha Kazaura, Alam Shah, Pham Dat, Toshiji Suzuki, Kazunori Omae, Mitsuji Matsumoto, Takuro Sato (Waseda Univ.), Takeshi Higashino, Yuji Aburakawa, Takuya Nakamura, Katsutoshi Tsukamoto, Shozo Komaki (Osaka Univ.) MW2008-49 OPE2008-32 |
We study Radio on Free-Space Optics (RoFSO) system that is envisaged to be an effective means of realizing a ubiquitous ... [more] | MW2008-49 OPE2008-32 pp.13-18 |
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| OPE, EMT, MW | 2008-07-24 10:15 |
Hokkaido | Optically controlled phased array antenna using spatial light modulator Tomohiro Akiyama, Jiro Suzuki, Toshiyuki Ando, Takeshi Sakimura, Yoshihito Hirano (Mitsubisi Electric Corp.) MW2008-50 OPE2008-33 |
We demonstrate a prototype of an optically controlled array antenna with 100 (10$\times$ 10) antenna elements in Ku band... [more] | MW2008-50 OPE2008-33 pp.19-24 |
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| OPE, EMT, MW | 2008-07-24 10:50 |
Hokkaido | [Invited Talk]
Experimental study of millimeter-wave optically controlled array antenna sharing optical phase shifters for transmission and reception Wataru Chujo (Meijo Univ.), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) MW2008-51 OPE2008-34 |
We have carried out the experiments of WDM-based optically controlled array antenna with wideband true-time-delay charac... [more] | MW2008-51 OPE2008-34 pp.25-30 |
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| OPE, EMT, MW | 2008-07-24 11:25 |
Hokkaido | [Invited Talk]
Fundamental experiment of optical phased array antenna for satellite communication using optical switch Yoshiyuki Fujino, Masaki Satoh, Masato Tanaka, Shinichi Taira (NICT), Noriaki Obara (Robotista), Ryuichi Iwamoto (NTT Electronics) MW2008-52 OPE2008-35 |
Onboard antennas are being enlarged as satellites are being enlarged. The weight of the feedline that sends the signal t... [more] | MW2008-52 OPE2008-35 pp.31-36 |
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| OPE, EMT, MW | 2008-07-24 12:00 |
Hokkaido | [Invited Talk]
Development of an Active Integrated Phased Array Antenna for Wireless Communication and Power Transmission Shigeo Kawasaki, Harunobu Seita, Kiyotaka Yamashita (Kyoto Univ.) MW2008-53 OPE2008-36 |
Recent technology enables us to realize a sophisticated radar system with low cost. One of them is the active phased ar... [more] | MW2008-53 OPE2008-36 pp.37-42 |
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| OPE, EMT, MW | 2008-07-24 13:30 |
Hokkaido | [Invited Talk]
Radio wave transmitting system using an optical modulator Yoshikazu Toba (SEIKOH GIKEN), Kazuhisa Haeiwa (Hiroshima City Univ.) MW2008-54 OPE2008-37 |
[more] | MW2008-54 OPE2008-37 pp.43-48 |
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| OPE, EMT, MW | 2008-07-24 14:05 |
Hokkaido | [Invited Talk]
Test methods of optical modulators for RoF system applications and their standardization. Junichiro Ichikawa (Sumitomo Osaka Cement), Satoru Kurokawa (AIST), Shozo Komaki (Osaka Univ.), Hiroyo Ogawa (NICT) MW2008-55 OPE2008-38 |
This paper presents the test methods of optical modulators and standardization activities for them. IEC TC103 National c... [more] | MW2008-55 OPE2008-38 pp.49-54 |
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| OPE, EMT, MW | 2008-07-24 14:50 |
Hokkaido | Multi-Channel Crosstalk in a 25-GHz Spaced DWDM Millimeter-Wave-Band Radio-over-Fiber System Takashi Yamaguchi, Yoshitomo Takahashi, Hiroyuki Toda (Doshisha Univ.), Toshiaki Kuri (NICT), Ken-ichi Kitayama (Osaka Univ.) MW2008-56 OPE2008-39 |
[more] | MW2008-56 OPE2008-39 pp.55-59 |
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| OPE, EMT, MW | 2008-07-24 15:15 |
Hokkaido | Bandwidth Enhancement with Optical Equalization for High Speed Modulation Koichi Hasebe (Tokyo Tech), Xiaoxue Zhao (UCB), Takahiro Sakaguchi, Fumio Koyama (Tokyo Tech), Connie J. Chang-Hasnain (UCB) MW2008-57 OPE2008-40 |
[more] | MW2008-57 OPE2008-40 pp.61-64 |
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| OPE, EMT, MW | 2008-07-24 15:40 |
Hokkaido | Highly Pure 160-GHz Two-Tone Lightwave Generation using High Extinction-Ratio Optical Intensity Modulator and Delay Interferometer Hiroyuki Toda, Junichi Miyashita (Doshisha Univ.), Akito Chiba, Takahide Sakamoto, Tetsuya Kawanishi, Masahiro Tsuchiya (NICT), Masayuki Izutsu (Tokyo Inst. of Tech.) MW2008-58 OPE2008-41 |
[more] | MW2008-58 OPE2008-41 pp.65-67 |
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| OPE, EMT, MW | 2008-07-24 16:05 |
Hokkaido | Multi-channel complex permittivity measurement using live electrooptic imaging camera Atsushi Kanno (NICT), Kiyotaka Sasagawa (NAIST), Masahiro Tsuchiya (NICT) MW2008-59 OPE2008-42 |
[more] | MW2008-59 OPE2008-42 pp.69-72 |
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| OPE, EMT, MW | 2008-07-24 16:40 |
Hokkaido | Power-Conserving Semivectorial Finite-Difference Beam-Propagation Method Retaining the Effect of the Longitudinal Field Component Junji Yamauchi, Yuta Nito, Hisamatsu Nakano (Hosei Univ.) MW2008-60 OPE2008-43 |
We develop a modified semivectorial finite-difference beam-propagation method (BPM) retaining the effect of the longitud... [more] | MW2008-60 OPE2008-43 pp.73-78 |
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| OPE, EMT, MW | 2008-07-24 17:05 |
Hokkaido | BPM Analysis of a Metal-Clad Waveguide Polarizer Junji Yamauchi, Takaaki Komada, Hisamatsu Nakano (Hosei Univ.) MW2008-61 OPE2008-44 |
A metal-clad optical waveguide polarizer is analyzed using the three-dimensional beam-propagation method. We evaluate th... [more] | MW2008-61 OPE2008-44 pp.79-84 |
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| OPE, EMT, MW | 2008-07-24 17:30 |
Hokkaido | A Study on Photonic Crystal Slab Waveguide with Absolute Photonic Band Gap Yoshiki Shimokawara, Yasuhide Tsuji, Koichi Hirayama (Kitami Inst. Technol.) MW2008-62 OPE2008-45 |
Most of conventional photonic crystal slab waveguides have photonic band gap (PBG) for only one polarization. In this pa... [more] | MW2008-62 OPE2008-45 pp.85-90 |
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| OPE, EMT, MW | 2008-07-24 09:00 |
Hokkaido | Design based on phase-retrieval method for reflectarray antenna Shinichiro Kurihara, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) MW2008-63 OPE2008-46 |
This paper presents directivity synthesis for an aperture antenna based on the phase-retrieval method and also shows sim... [more] | MW2008-63 OPE2008-46 pp.91-96 |
|
| OPE, EMT, MW | 2008-07-24 09:25 |
Hokkaido | Polarimetric scattering from simplified boundary model between water and emerged-plants areas in wetland Ryoichi Sato, Takeshi Itagaki, Yoshio Yamaguchi, Hiroyoshi Yamada (Niigata Univ.) MW2008-64 OPE2008-47 |
This paper examines the validity of a simple water area classification method based on POLSAR image analysis, by conside... [more] | MW2008-64 OPE2008-47 pp.97-102 |
|
| OPE, EMT, MW | 2008-07-24 09:50 |
Hokkaido | 3D FDTD Method Analysis of Light-Beam Scattering from a RAD-MSR Disk Model Teki You, Akira Yokoyama, Toshitaka Kojima (Kansai Univ.) |
[more] | ||
| OPE, EMT, MW | 2008-07-24 10:15 |
Hokkaido | Validity of High-Frequency Solution for Ground Wave Propagation over Land-to-Sea Mixed-Path Toru Kawano, Keiji Goto, Toyohiko Ishihara (NDA) MW2008-65 OPE2008-48 |
In this paper, we shall derive first the integral representation for the ground wave propagation over the land-to-sea mi... [more] | MW2008-65 OPE2008-48 pp.103-108 |
|
| OPE, EMT, MW | 2008-07-24 14:50 |
Hokkaido | Interlocking Operation of FDTD/FIT Dedicated Computer PCB with Host PC Yuya Fujita, Hideki Kawaguchi (Muroran IT) MW2008-66 OPE2008-49 |
Authors had been working in development of a dedicated computer for FDTD/FIT method to enhance ordinary personal compute... [more] | MW2008-66 OPE2008-49 pp.109-112 |
|
| OPE, EMT, MW | 2008-07-24 15:15 |
Hokkaido | Calcluation of Electromagnetic Radiation from PCB by Using Gaber Data and Netlist Hiroyuki Ishii, Hideki Kawaguchi (Muroran IT) MW2008-67 OPE2008-50 |
According to appearance of useful design software of printed circuit board (PCB) and commercial service of the printed c... [more] | MW2008-67 OPE2008-50 pp.113-116 |
|
| OPE, EMT, MW | 2008-07-24 15:40 |
Hokkaido | GPR Signal Processing and Feature Extraction for Landmine Discrimination Masahiko Nishimoto, Takaaki Tanaka, Yusuke Kimura, Vakhtang Jandieri (Kumamoto Univ.) MW2008-68 OPE2008-51 |
[more] | MW2008-68 OPE2008-51 pp.117-122 |
|
| OPE, EMT, MW | 2008-07-24 16:15 |
Hokkaido | Performance Improvement of Reconstruction Algorithm Based on the Multigrid Optimization Method Mitsuru Tanaka, Masahiko Sano, Atsushi Kusunoki (Oita Univ.) MW2008-69 OPE2008-52 |
This article considers the performance improvement of a reconstruction algorithm of estimating the relative permittivity... [more] | MW2008-69 OPE2008-52 pp.123-127 |
|
| OPE, EMT, MW | 2008-07-24 16:40 |
Hokkaido | Time-domain analysis of radiation characteristics of planar antenna using metamaterial Atsushi Kusunoki (Oita Univ.) MW2008-70 OPE2008-53 |
[more] | MW2008-70 OPE2008-53 pp.129-134 |
|
| OPE, EMT, MW | 2008-07-24 17:05 |
Hokkaido | Scattering Properties from a Two-Dimensional Multilayered Periodic Structure Maurice Sesay, Mitsuhiro Yokota (Univ. of Miyazaki) MW2008-71 OPE2008-54 |
Scattering of electromagnetic wave from a two-dimensional multilayered periodic structure is presented using Moment Meth... [more] | MW2008-71 OPE2008-54 pp.135-140 |
|
| OPE, EMT, MW | 2008-07-24 17:30 |
Hokkaido | Scattering of Electromagnetic Waves by Inhomogeneous Dielectric Gratings Loaded with Two AdjacentPerfectly Conducting Strips
-- The case of TM Waves -- Tsuneki Yamasaki, Ryosuke Ozaki, Takashi Hinata (Nihon Univ.) MW2008-72 OPE2008-55 |
[more] | MW2008-72 OPE2008-55 pp.141-146 |
|
| OPE, EMT, MW | 2008-07-25 09:25 |
Hokkaido | Frequency-Tunable, Multiple-Stopband Differential Amplifiers Masaki Shirata, Kazuyoshi Sakamoto, Toshio Shinohara, Yasushi Itoh (Shonan IT) MW2008-73 OPE2008-56 |
An L-band SiGe HBT differential amplifier with frequency-tunable and multiple stopbands is presented. To achieve frequen... [more] | MW2008-73 OPE2008-56 pp.147-150 |
|
| OPE, EMT, MW | 2008-07-25 09:50 |
Hokkaido | Differential Variable Gain Amplifiers Using Bridged-T Attenuator Circuits Kazuyoshi Sakamoto, Masaki Shirata, Kenji Nakamura, Yasushi Itoh (Shonan IT) MW2008-74 OPE2008-57 |
An L-band digitally-controlled, variable gain differential amplifier (VGA) is presented. It employs a bridged-T attenuat... [more] | MW2008-74 OPE2008-57 pp.151-156 |
|
| OPE, EMT, MW | 2008-07-25 10:15 |
Hokkaido | ASK and Pi/4-QPSK Dual Mode SiGe-MMIC Transceiver for 5.8GHz DSRC Terminals having Stabilized Amplifier Chain Shintaro Shinjo, Koji Tsutsumi, Kazutomi Mori, Hiroshi Okada (Mitsubishi Electric Corp.), Masahiro Inoue (Mitsubish Electric Engineering Corp.), Noriharu Suematsu (Mitsubishi Electric Corp.) MW2008-75 OPE2008-58 |
[more] | MW2008-75 OPE2008-58 pp.157-162 |
|
| OPE, EMT, MW | 2008-07-25 10:50 |
Hokkaido | High Directivity Coupler Suppressing Undesired Coupling with Wilkinson Divider Kazuhisa Yamauchi, Masatoshi Nakayama, Akira Inoue (Mitsubishi Electric) MW2008-76 OPE2008-59 |
A high directivity microstrip coupler suppressing undesired coupling with a cancellation circuit of a Wilkinson divider ... [more] | MW2008-76 OPE2008-59 pp.163-168 |
|
| OPE, EMT, MW | 2008-07-25 11:15 |
Hokkaido | A Study on Reflection Loss of an One Layered Type Wave Absorber for Near- and Far-Field Regions Takahiro Ishibashi, Osamu Hashimoto (Aoyama Gakuin Univ.) MW2008-77 OPE2008-60 |
In this study, spatial distribution of reflection loss of an one layred type wave absorber is analyzed by using FDTD met... [more] | MW2008-77 OPE2008-60 pp.169-174 |
|
| OPE, EMT, MW | 2008-07-25 11:40 |
Hokkaido | A Study on Temperature Distribution of a Wave Absorber Composed of Parallel Resistive Films under High Power Injection Eriko Watanabe, Shinya Watanabe, Osamu Hashimoto (Aoyama Gakuin Univ.), Toshifumi Saito, Hiroshi Kurihara (TDK) MW2008-78 OPE2008-61 |
In this research, the temperature distribution of a wave Absorber composed of parallel resistive films under high-power ... [more] | MW2008-78 OPE2008-61 pp.175-179 |
|
| MW | 2008-08-28 10:10 |
Osaka | Osaka-Univ. (Toyonaka) | A Proposal for a Narrow to Wide-Band Miniaturized BPF Made of Broad-side Coupled λ/4 Coplanar Resonators Yangjun Zhang, Ryouta Morinaga, Ikuo Awai (Ryukoku Univ.) MW2008-79 |
This paper analyzes the different mechanism of coupling in /4 coplanar combline and interdigital resonators. Met... [more] | MW2008-79 pp.1-6 |
| MW | 2008-08-28 10:35 |
Osaka | Osaka-Univ. (Toyonaka) | A Microstrip Bandpass Filter with Ultra Wide Stopband using Folded Stepped-Impedance Resonators Somboon Theerawisitpong, Toshitatsu Suzuki, Hirotoshi Yamada, Noboru Morita (Nippon Inst. of Tech.), Yozo Utsumi (NDA) MW2008-80 |
We developed a bandpass filter using folded stepped-impedance resonators where center frequency is 2 GHz with 60 MHz ban... [more] | MW2008-80 pp.7-12 |
| MW | 2008-08-28 11:00 |
Osaka | Osaka-Univ. (Toyonaka) | An Experimental Study on UWB Bandpass Filter Using Periodic Dielectric Structure Takenori Yasuzumi, Osamu Hashimoto (Aoyama Gakuin Univ.), Takeshi Takahashi (TDK) MW2008-81 |
This paper presents a UWB bandpass filter(BPF) which satisfies the frequncy mask provided by the Federal Communication ... [more] |
MW2008-81 pp.13-18 |
| MW | 2008-08-28 11:25 |
Osaka | Osaka-Univ. (Toyonaka) | Evaluation of Electromagnetic Field Measurement over Two-Dimensional Communication Media with Anti-Reflection Edged Azman Osman Lim (NICT), Kenichi Tezuka (Cellcross), Bing Zhang (NICT) MW2008-82 |
This paper presents a novelty two-dimensional (2D) communication media, which allows a surface to provide signal and ene... [more] | MW2008-82 pp.19-24 |
| MW | 2008-08-28 13:20 |
Osaka | Osaka-Univ. (Toyonaka) | Design of Flat Gain LNA for 3.1-10.2GHz Band UWB Applications in 0.18um CMOS Process Ramesh Pokharel, Ahmed Galal, Haruichi Kanaya, Keiji Yoshida (Kyushu Univ.) MW2008-83 |
A CMOS low noise amplifier (LNA) for ultra-wideband (UWB) systems is presented. The proposed LNA achieve wide operating ... [more] | MW2008-83 pp.25-30 |
| MW | 2008-08-28 13:45 |
Osaka | Osaka-Univ. (Toyonaka) | S-band GaN HEMT Low Noise Amplifier with High Survivability Koji Yamanaka, Hidenori Yukawa, Akira Inoue (Mitsubishi Electric) MW2008-84 |
In this paper, an S-band GaN HEMT LNA, which uses a small discrete GaN HEMT chip to minimize the cost, is presented. It ... [more] | MW2008-84 pp.31-36 |
| MW | 2008-08-28 14:20 |
Osaka | Osaka-Univ. (Toyonaka) | K-band AlGaN/GaN-based MMICs on sapphire substrates Tomohiro Murata, Masayuki Kuroda (Matsushita), Shuichi Nagai (PBL), Masaaki Nishijima, Hidetoshi Ishida, Manabu Yanagihara, Tetsuzo Ueda, Hiroyuki Sakai, Tsuyoshi Tanaka (Matsushita), Ming Li (PBL) MW2008-85 |
We present K-band AlGaN/GaN HFET MMIC amplifiers with integrated microstrip lines on sapphire substrates. The microstrip... [more] | MW2008-85 pp.37-40 |
| MW | 2008-08-28 14:45 |
Osaka | Osaka-Univ. (Toyonaka) | 60-GHz-band CMOS Power Amplifier and Transceiver Technology Masahiro Tanomura, Yasuhiro Hamada, Shuya Kishimoto, Masaharu Ito, Naoyuki Orihashi, Kenichi Maruhashi, Hidenori Shimawaki (NEC) MW2008-86 |
This paper describes a millimeter-wave power amplifier (PA) and a transceiver fabricated in standard 90-nm CMOS technolo... [more] | MW2008-86 pp.41-46 |
| MW | 2008-08-28 15:10 |
Osaka | Osaka-Univ. (Toyonaka) | A Study of Dual Frequency Oscillator for the 60GHz FSK Modulation Shoichi Kitazawa, Makoto Taromaru, Masazumi Ueba (ATR) MW2008-87 |
[more] | MW2008-87 pp.47-50 |
| MW | 2008-08-28 15:45 |
Osaka | Osaka-Univ. (Toyonaka) | [Invited Talk]
Microwave Photonics Technonogy and Their Application Toward Universal Wireless Network Infrastructures Katsutoshi Tsukamoto, Takeshi Higashino, Shozo Komaki (Osaka Univ.) MW2008-88 |
To realize user-centric and flexible wireless services, universal network platforms for heterogeneous wireless require i... [more] | MW2008-88 pp.51-56 |
| MW | 2008-08-28 16:45 |
Osaka | Osaka-Univ. (Toyonaka) | [Invited Talk]
Analysis and Design of H-Plane Waveguide and SIW Circuit System Utilizing Planar Circuit Approach Isao Ohta (Univ. of Hyogo) MW2008-89 |
[more] | MW2008-89 pp.57-62 |
| MW | 2008-08-29 09:30 |
Osaka | Osaka-Univ. (Toyonaka) | Active Phased Array Antenna using PLL Oscillator Ryo Tachibana, Hidehisa Shiomi, Yasuyuki Okamura (Osaka Univ.) MW2008-90 |
[more] | MW2008-90 pp.63-68 |
| MW | 2008-08-29 09:55 |
Osaka | Osaka-Univ. (Toyonaka) | Blind Adaptive Beam Control by Signal Decomposition using fast-ICA Algorithm for Complex-Valued Signals Toshihiro Imai, Hidehisa Shiomi, Yasuyuki Okamura (Osaka Univ.) MW2008-91 |
[more] | MW2008-91 pp.69-74 |
| MW | 2008-08-29 10:20 |
Osaka | Osaka-Univ. (Toyonaka) | Implementation of Complex Valued Fast ICA Processor using FPGA Toshinori Inomoto, Hidehisa Shiomi, Yasuyuki Okamura (Osaka Univ.) MW2008-92 |
[more] | MW2008-92 pp.75-80 |
| MW | 2008-08-29 10:45 |
Osaka | Osaka-Univ. (Toyonaka) | Representation and evaluation of a high accurate formula for bit error rate in terms of CNR Kazuhiko Kitayama (NHK Itec), Kazuhisa Haeiwa (Hiroshima City Univ.), Yukio Tatsumi (NHK Itec) MW2008-93 |
So far, accuracy of theoretical formula for BER (Bit Error Rate) in terms of CNR for 64QAM that is used for terrestria... [more] |
MW2008-93 pp.81-86 |
| MW | 2008-08-29 11:20 |
Osaka | Osaka-Univ. (Toyonaka) | Microwave Inverse Class-F GaN HEMT Amplifier using Harmonic Treatment Circuit Constructed with Lumped Circuit Elements Ryo Ishikawa, Yasuyuki Abe, Kazuhiko Honjo (UEC) MW2008-94 |
We have developed a microwave inverse class-F GaN HEMT amplifier using a harmonic treatment circuit constructed with lum... [more] | MW2008-94 pp.87-92 |
| MW | 2008-08-29 11:45 |
Osaka | Osaka-Univ. (Toyonaka) | A Design and Fabrication of 5.8 GHz Class-F Amplifier using GaN HEMT Kenta Kuroda, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2008-95 |
We have developed the class-F high-efficiency amplifier using an AlGaN/GaN HEMT at 5.8 GHz for microwave power transmiss... [more] | MW2008-95 pp.93-98 |
| MW | 2008-08-29 13:10 |
Osaka | Osaka-Univ. (Toyonaka) | Characteristics of Primary Radiator Fed by Microstrip Transmission Line at 60 GHz Makoto Okiyokota, Futoshi Kuroki (Kure Nat'l Coll of Tech) MW2008-96 |
A primary radiator for 2-dimensional offset parabolic reflectors was investigated for millimeter-wave planar antennas, w... [more] | MW2008-96 pp.99-102 |
| MW | 2008-08-29 13:35 |
Osaka | Osaka-Univ. (Toyonaka) | Range Finding Test Using NRD Guide Pulse Radar with Signal Processing to Eliminate Undesired Multi-Reflection Pulse at 60 GHz Kazuya Takayama, Futoshi Kuroki (Kure Nat'l Coll of Tech) MW2008-97 |
A pulse radar front-end using an NRD-guide technology was fabricated as level sensing at millimeter wave lengths, and ra... [more] | MW2008-97 pp.103-106 |
| MW | 2008-08-29 14:00 |
Osaka | Osaka-Univ. (Toyonaka) | A W-Band Second Harmonic Oscillator with Optimized Harmonic Load Takayuki Matsuzuka, Shinsuke Watanabe, Hirotaka Amasuga, Seiki Goto, Tomoki Oku, Takahide Ishikawa, Masatoshi Nakayama, Naohito Yoshida (Mitsubishi Electric Corp.) MW2008-98 |
A W-band second harmonic InGaP HBT oscillator with optimized second harmonic loads is presented. To enhance output power... [more] | MW2008-98 pp.107-112 |
| MW | 2008-08-29 14:25 |
Osaka | Osaka-Univ. (Toyonaka) | Inverse Class-C Operation for Efficient Frequency Doublers Takehiro Kishida, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama UNIV.) MW2008-99 |
Inverse class-C frequency doubling operation has been discussed for frequency doublers and second harmonic oscillators w... [more] | MW2008-99 pp.113-118 |
| MW | 2008-08-29 15:00 |
Osaka | Osaka-Univ. (Toyonaka) | A kW-class AlGaN/GaN HEMT Pallet Amplifier for S-band High Power Application Makoto Aojima, Eizo Mitani, Seigo Sano (EUD) MW2008-100 |
We developed a kW-class AlGaN/GaN HEMT Pallet Amplifier operating at S-band. The pallet Amplifier consists of an interna... [more] | MW2008-100 pp.119-122 |
| MW | 2008-08-29 15:25 |
Osaka | Osaka-Univ. (Toyonaka) | Doherty power amplifier using GaN class-E device Takaaki Ishikawa, Kazunori Kashimura, Eiki Takahashi, Nobuyuki Adachi (JRC) MW2008-101 |
A Doherty amplifier for base stations using an internally class-E matched GaN packaged device has been developed. The cl... [more] | MW2008-101 pp.123-128 |
| MW | 2008-08-29 16:00 |
Osaka | Osaka-Univ. (Toyonaka) | [Special Talk]
Report of IMS2008 Toshio Ishizaki (Matsushita), Akira Tsuchiya (Kyoto Univ.), Tomohiro Murata (Matsushita), Satoshi Matsumoto (Furuno), Tadashi Kawai (Univ. Hyogo), Mitsuhiro Shimozawa (Mitsubishi Elec.) MW2008-102 |
IMS2008 was held in Atlanta, GA, from June 15th to 20th. The authors report the summary of presentations in MTT symposiu... [more] | MW2008-102 pp.129-134 |
| MW, EMCJ | 2008-10-23 13:05 |
Yamagata | Yamagata Univ. | A Study on Transmission and Coupling Characteristics of Transmission Lines on Model Chip Yoshiki Kayano, Ryosuke Yanagisawa, Hiroshi Inoue (Akita Univ.) EMCJ2008-59 MW2008-103 |
[more] | EMCJ2008-59 MW2008-103 pp.1-6 |
| MW, EMCJ | 2008-10-23 13:30 |
Yamagata | Yamagata Univ. | Basic research of influence of emission to Digital IC Takumi Takahashi, Teruo Tobana, Takayuki Sasamori, Yoji Isota (Akita Pref.Univ.) EMCJ2008-60 MW2008-104 |
[more] | EMCJ2008-60 MW2008-104 pp.7-10 |
| MW, EMCJ | 2008-10-23 13:55 |
Yamagata | Yamagata Univ. | A Study of Crosstalk and Its Suppression Method Between Microstrip Lines on a Printed Circuit Borad Yasuhiro Kudo, Teruo Tobana, Takayuki Sasamori, Yoji Isota (Akita Pref. Univ.) EMCJ2008-61 MW2008-105 |
[more] | EMCJ2008-61 MW2008-105 pp.11-16 |
| MW, EMCJ | 2008-10-23 14:30 |
Yamagata | Yamagata Univ. | Electromagnetic Field Distribution in the Area Surrounded by Many Conductive Wires Kazuo Aizawa, Hiroshi Echigo (Tohoku Gakuin Univ.) EMCJ2008-64 MW2008-108 |
Authors have been trying to estimate theoretically the EM wave reducing effectiveness (or rejection effectiveness) by th... [more] | EMCJ2008-64 MW2008-108 pp.29-33 |
| MW, EMCJ | 2008-10-23 14:55 |
Yamagata | Yamagata Univ. | Characteristics and their Mechanism of FM-Band Cross-Talks between Two Parallel Signal Traces on Printed Circuit Boards Tsuyoshi Maeno (DENSO), Hiroya Ueyama (Nagoya Institute of Technology), Michihira Iida (DENSO), Osamu Fujiwara (Nagoya Institute of Technology) EMCJ2008-62 MW2008-106 |
It is well known that electromagnetic disturbances in vehicle-mounted radios are mainly caused by conducted noise curren... [more] | EMCJ2008-62 MW2008-106 pp.17-22 |
| MW, EMCJ | 2008-10-23 15:20 |
Yamagata | Yamagata Univ. | Relation between Transmission Line Loss and Its Time-domain Responses Toshikazu Sekine, Takaki Hirose, Yasuhiro Takahashi (Gifu Univ.), Kunikatsu Kobayashi (Yamagata Univ.) EMCJ2008-63 MW2008-107 |
[more] | EMCJ2008-63 MW2008-107 pp.23-28 |
| MW, EMCJ | 2008-10-23 15:55 |
Yamagata | Yamagata Univ. | Spatially localized pulses in two-dimensional composite right- and left-handed transmission lines periodically loaded with Schottky varactors Toru Nakamichi, Koichi Narahara (Yamagata Univ.) EMCJ2008-65 MW2008-109 |
We review adaptive pulse control using spatially localized pulses in two-dimensional composite right- and left-handed (C... [more] | EMCJ2008-65 MW2008-109 pp.35-40 |
| MW, EMCJ | 2008-10-23 16:20 |
Yamagata | Yamagata Univ. | Analysis and experiment on efficiency enhancement of a GaN HEMT power amplifier using 2nd harmonic injection Hiroshi Matsubara (Hokkaido Univ.), Fumitake Kawanabe (Hitachi Kokusai Electric Inc.), Toshio Nojima (Hokkaido Univ.) EMCJ2008-66 MW2008-110 |
[more] | EMCJ2008-66 MW2008-110 pp.41-46 |
| MW, EMCJ | 2008-10-23 16:45 |
Yamagata | Yamagata Univ. | Millimeter-Wave Power Amplifiers in 90nm CMOS Toshihide Suzuki, Yoichi Kawano, Masaru Sato, Tatsuya Hirose, Naoki Hara, Kazukiyo Joshin (FJ Lab.) EMCJ2008-67 MW2008-111 |
This paper introduces millimeter-wave band power amplifiers (PAs) using standard 90nm CMOS technology. By developing an ... [more] | EMCJ2008-67 MW2008-111 pp.47-51 |
| MW, EMCJ | 2008-10-24 09:35 |
Yamagata | Yamagata Univ. | [Invited Talk]
EMF Hygienic Standardization in the Russian Federation and Prospects of its Harmonization with International Nina B. Rubtsova (RAMS Institue of Occupational Health) EMCJ2008-68 MW2008-112 |
In Russia EMF hygienic standardization is based on hygienic, clinical-physiological, epidemiological and experimental ... [more] | EMCJ2008-68 MW2008-112 pp.53-58 |
| MW, EMCJ | 2008-10-24 10:00 |
Yamagata | Yamagata Univ. | [Invited Talk]
Experimental bioeffects of chronic radiofrequency EMF Valentina Nikitina (SMTU) EMCJ2008-69 MW2008-113 |
This report analyzes results of study of biological effects caused by modulated and unmodulated 13 MHz EMF with intensit... [more] | EMCJ2008-69 MW2008-113 pp.59-64 |
| MW, EMCJ | 2008-10-24 10:25 |
Yamagata | Yamagata Univ. | [Invited Talk]
EMC STANDARDIZATION IN RUSSIA Alexander Worshevsky (SMTU) EMCJ2008-70 MW2008-114 |
Federal agency of technical regulation is the national standardization body in Russia. EMC law is under consideration. M... [more] | EMCJ2008-70 MW2008-114 pp.65-70 |
| MW, EMCJ | 2008-10-24 11:00 |
Yamagata | Yamagata Univ. | Room-Temperature Terahertz Nonreciprocal Wave Propagation Characteristics in Waveguides Containing n-Type InAs Material Kazumi Abe, Shinichi Yodokawa, Satoru Kousaka, Tetsuo Obunai (Akita univ.) EMCJ2008-71 MW2008-115 |
In view of constructing room-temperature nonreciprocal devices in terahertz frequency region, theoretical and experiment... [more] | EMCJ2008-71 MW2008-115 pp.71-76 |
| MW, EMCJ | 2008-10-24 11:25 |
Yamagata | Yamagata Univ. | InPHEMT MMICs for passive millimeter-wave imaging sensors Masaru Sato, Tatsuya Hirose, Toshihiro Ohki, Tsuyoshi Takahashi, Kozo Makiyama, Naoki Hara (Fujigtsu), Hiroyasu Sato, Kunio Sawaya, Koji Mizuno (Tohoku Univ.) EMCJ2008-72 MW2008-116 |
[more] | EMCJ2008-72 MW2008-116 pp.77-80 |
| MW, EMCJ | 2008-10-24 11:50 |
Yamagata | Yamagata Univ. | Development of a Low-cost Up-converter MMIC for Ku-band VSAT Transmitter Shinya Mizuno, Miki Kubota, Tomio Satoh, Yuichi Hasegawa (Eudyna) EMCJ2008-73 MW2008-117 |
We developed an Up-converter MMIC in Plastic-Molded QFN Package for Ku-band VSAT transmitter. Using a general QFN Packag... [more] | EMCJ2008-73 MW2008-117 pp.81-85 |
| MW | 2008-11-20 09:40 |
Nagasaki | Nagasaki-Univ. | A Q-band Low-profile Waveguide BRF with Built-in Cavity-Embedded Dielectric Substrates Satoshi Yoneda, Hiromitsu Uchida, Miyuki Tanaka, Takuro Sasaki, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2008-118 |
[more] | MW2008-118 pp.1-6 |
| MW | 2008-11-20 10:05 |
Nagasaki | Nagasaki-Univ. | A Composite Right-/Left-Handed Transmission Line Forward Coupler with Shared Short Stubs Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Co.) MW2008-119 |
[more] | MW2008-119 pp.7-12 |
| MW | 2008-11-20 10:30 |
Nagasaki | Nagasaki-Univ. | Analysis of Electrognetic Wave Propagation by Using the CIP Method and Quadratic Interpolation Tsuyoshi Matsuoka (Kyushu Sangyo Univ.), Mayumi Matsunaga (Ehime Univ.), Toshiaki Matsunaga (Fukuoka Inst. Tech.) MW2008-120 |
A new type of Constrained Interpolation Profile (CIP) method is presented in this paper. CIP method is a kind of numeric... [more] | MW2008-120 pp.13-18 |
| MW | 2008-11-20 11:05 |
Nagasaki | Nagasaki-Univ. | A Contiguous Channel Multiplexer using Singly Terminated Filters without Matching Circuits
-- An Application to Combiners in Digital Terrestrial Broadcasting Relay Stations -- Toshihiro Nomoto, Yoshiki Yamamoto, Makoto Taguchi (Japan Broadcasting Corporation) MW2008-121 |
A contiguous band multiplexer which consists of singly terminated filters always require matching circuits (or annulling... [more] | MW2008-121 pp.19-24 |
| MW | 2008-11-20 11:30 |
Nagasaki | Nagasaki-Univ. | A Study on Phased Array Antenna Using Bi-layered MSA Takenori Yasuzumi, Mitsuo Kojima (Aoyama Gakuin Univ.), Yasuhiro Kazama (Japan Aerospace Exploration Agency), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2008-122 |
In this paper, we propose bi-layered microstrip antenna(MSA) that has conical radiation pattern as an element antenna. T... [more] | MW2008-122 pp.25-30 |
| MW | 2008-11-20 13:00 |
Nagasaki | Nagasaki-Univ. | A Constant-Bandwidth Microwave Tunable Bandpass Filter with Inverter-Coupled Series-Resonant Circuits Hiromitsu Uchida, Akira Inoue, Moriyasu Miyazaki, Naofumi Yoneda, Yoshihiko Konishi (Mitsubishi Electric Corp.) MW2008-123 |
[more] | MW2008-123 pp.31-36 |
| MW | 2008-11-20 13:25 |
Nagasaki | Nagasaki-Univ. | Animation of electromagnetic wave propagation with the aim of educational use Kenji Nomura, Toshiyuki Tanaka, Takashi Takenaka, Takafumi Fujimoto, Toshifumi Moriyama, Kazumasa Tanaka (Nagasaki Univ.) MW2008-124 |
From an educational aspect combined with high-rate data processing and large increase in speed of personal computer, "vi... [more] | MW2008-124 pp.37-40 |
| MW | 2008-11-20 13:50 |
Nagasaki | Nagasaki-Univ. | Design School of Reception Antennas on Digital Terrestrial Television for High School Students by Using electromagnetic Simulator
-- Application of electromagnetic simulator to education -- Mitsuo Taguchi (Nagasaki Univ.) MW2008-125 |
[more] | MW2008-125 pp.41-44 |
| MW | 2008-11-20 14:15 |
Nagasaki | Nagasaki-Univ. | Development of Solver and Common Platform for 2-D Planar Circuits Takaharu Hiraoka, Yasuhiro Akimoto, Takahiro Ogawa, Jui-Pang Hsu (Kanagawa Univ.) MW2008-126 |
Microwave circuit / field simulators are now playing important roles for analysis and design of microwave circuit, and w... [more] | MW2008-126 pp.45-50 |
| MW | 2008-11-20 14:50 |
Nagasaki | Nagasaki-Univ. | A study on miniaturization of a planar inverted-F antenna for handset by a finite element method Tsutomu Miyamoto, Naobumi Michishita, Hisashi Morishita (National Defense Academy) MW2008-127 |
With the recent rapid progress in multi-function and downsizing of handsets, the miniaturization of their antennas is ac... [more] | MW2008-127 pp.51-54 |
| MW | 2008-11-20 15:15 |
Nagasaki | Nagasaki-Univ. | A Numerical Study on Handset MIMO Antenna by Using Folded Monopole Antennas Franck Pacaud, Yongho Kim, Hisashi Morishita (National Defense Academy) MW2008-128 |
A compact built-in handset antenna for multiple-input multiple-output (MIMO) system, which operates in the UMTS (Univers... [more] | MW2008-128 pp.55-60 |
| MW | 2008-11-20 15:40 |
Nagasaki | Nagasaki-Univ. | A Study on Wideband Characteristics of Folded Dipole Antenna by Using a Electromagnetic Simulator Masaya Hirayama, Takashi Yamano, Kim Yongho, Hisashi Morishita (National Defense Academy) MW2008-129 |
The latest trends in handset unit used in the cellular phone is to reduce the size and the weight. Antenna used for such... [more] | MW2008-129 pp.61-66 |
| MW | 2008-11-20 16:15 |
Nagasaki | Nagasaki-Univ. | Study of a tapered dielectric waveguide using electromagnetic field simulators and a modal analysis technique Yoshinori Kogami (Utsunomiya Univ.), Masashi Yanagase (Murata Manufacturing Co.,Ltd.), Takashi Shimizu, Hidehiko Yoda (Utsunomiya Univ.), Youhei Ishikawa (Murata Manufacturing Co.,Ltd.) MW2008-130 |
In order to explore the transmission characteristics of a tapered dielectric waveguide, we apply a modal analysis techni... [more] | MW2008-130 pp.67-72 |
| MW | 2008-11-20 16:40 |
Nagasaki | Nagasaki-Univ. | Study of effects of unwanted transmission modes in millimeter-wave CPW MMIC using 3D EM simulator Takashi Shimizu, Yoshinori Kogami (Utsunomiya Univ.), Hiroshi Nakano, Yasutake Hirachi (AMMSYS Inc.) MW2008-131 |
Millimeter-wave coplanar waveguide (CPW) structure MMIC is often mounted on a conductor plate because of the wire bondin... [more] | MW2008-131 pp.73-78 |
| MW | 2008-11-20 17:05 |
Nagasaki | Nagasaki-Univ. | A basic study of narrowband transmission filter for weather radar Tamio Kawaguchi, Noritsugu Shiokawa, Kohei Nakayama, Takatoshi Watanabe, Tatsunori Hashimoto, Hiroyuki Kayano (Toshiba Co.) MW2008-132 |
We have proposed narrow-band filter for transmitter of weather radar application. A novel transmitting filter consists o... [more] | MW2008-132 pp.79-84 |
| MW | 2008-11-21 09:30 |
Nagasaki | Nagasaki-Univ. | Supply-Voltage Switching Dual-Band Differential VCOs Using Single Dual-Band Resonant Hiroyuki Hasegawa, Masaki Shirata, Kazuyoshi Sakamoto, Yasushi Itoh (Shonan IT) MW2008-133 |
Design, fabrication and performance of the dual-band differential VCOs using a single dual-band resonator are presented.... [more] | MW2008-133 pp.85-90 |
| MW | 2008-11-21 09:55 |
Nagasaki | Nagasaki-Univ. | Frequency and Gain Tunable, Multiple Bandpass or Bandstop Differential Amplifiers Toshio Shinohara, Masaki Shirata, Kazuyoshi Sakamoto, Yasushi Itoh (SHonan IT) MW2008-134 |
Design, fabrication and performance of the frequency and gain tunable, multiple bandpass or bandstop differential amplif... [more] | MW2008-134 pp.91-96 |
| MW | 2008-11-21 10:20 |
Nagasaki | Nagasaki-Univ. | A Wide-Band Cartesian Feedback Power Amplifier Using Phase Lead Circuits Naoko Matsunaga, Kenichi Horiguchi, Ryoji Hayashi (Mitsubishi Electric corporation) MW2008-135 |
A Cartesian feedback power amplifier is one of the negative feedback amplifiers. The problem of a Cartesian feedback pow... [more] | MW2008-135 pp.97-102 |
| MW | 2008-11-21 10:55 |
Nagasaki | Nagasaki-Univ. | A 38GHz Low Phase Noise VCO with a BPF at Emitter Masaomi Tsuru, Hiroyuki Mizutani, Kenji Kawakami, Morishige Hieda, Moriyasu Miyazaki (Mitsubishi Electric Corp.) MW2008-136 |
[more] | MW2008-136 pp.103-106 |
| MW | 2008-11-21 11:20 |
Nagasaki | Nagasaki-Univ. | A Low Phase-Shift Temperature Compensation Attenuator with Variable-Q FET Resonators Masatake Hangai, Hideki Asao, Morishige Hieda, Mamiko Yamaguchi, Moriyasu Miyazaki (Mitsubishi Electric) MW2008-137 |
[more] | MW2008-137 pp.107-112 |
| MW | 2008-11-21 11:45 |
Nagasaki | Nagasaki-Univ. | Spectral Analysis by Parallel Tuned Filters Noriaki Komiya, Toshiyuki Yakabe (Univ. of Electro-Communications) MW2008-138 |
For an accurate measurement of unwanted emission power levels radiated by radio stations, it is necessary to know inform... [more] | MW2008-138 pp.113-118 |
| MW | 2008-11-21 13:10 |
Nagasaki | Nagasaki-Univ. | TE10 - TE20 Mode Converter with Dielectric Rods Yoshihiro Kokubo (Univ. Hyogo) MW2008-139 |
Single-mode propagation is available for a metallic waveguide with arrayed dielectric rods at the center of the waveguid... [more] | MW2008-139 pp.119-124 |
| MW | 2008-11-21 13:35 |
Nagasaki | Nagasaki-Univ. | Synthesis of Ultra-Wideband (UWB) Bandpass Filters by Multistage of Coupled Stepped-Impedance Resonators and Short-Circuited Stubs Chun-Ping Chen, Hiroshige Nihei (Kanagawa Univ.), Zhewang Ma (Saitama Univ.), Tetsuo Anada (Kanagawa Univ.) MW2008-140 |
In terms of the transmission-line theory, a synthesis of an ultra-wideband bandpass (UWB) filter prototype composed of m... [more] | MW2008-140 pp.125-130 |
| MW | 2008-11-21 14:00 |
Nagasaki | Nagasaki-Univ. | Field Analysis of 3-D Optical Waveguide at Step Discontinuity based on Equivalent Network Yasuhiro Hasegawa, Takaharu Hiraoka, Jui-Pang Hsu (Kanagawa Univ.) MW2008-141 |
Exact analysis of 3-D optical waveguide step discontinuity is important for exact design of optical integrated circuit. ... [more] | MW2008-141 pp.131-136 |
| MW | 2008-11-21 14:25 |
Nagasaki | Nagasaki-Univ. | Analysis of Various Stripline Circuits consisting of 45 degrees bend Yasuhiro Akimoto, Takaharu Hiraoka, Jui-Pang Hsu (Kanagawa Univ.) MW2008-142 |
Strip-line circuit consisting of 45 degrees bend and straight stripline such as right-angle bend circuit, 45 degrees cra... [more] | MW2008-142 pp.137-142 |
| MW | 2008-11-21 15:00 |
Nagasaki | Nagasaki-Univ. | Broadband Suspended-Coupled Balun for 5GHz Band Using Multi-Layer Liquid Crystal Polymer Substrate Satoshi Yoshida, Futoshi Takeuchi, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) MW2008-143 |
We redesigned a new ground pattern of suspended-coupled balun using multilayer interconnection structure, and incresed b... [more] | MW2008-143 pp.143-148 |
| MW | 2008-11-21 15:25 |
Nagasaki | Nagasaki-Univ. | Analysis of Error due to Exclusion of the Edge Effect at Sample Material Space on Measurement of Complex Permittivity for Thick PZT Film Using the Split Circular Cavity Resonator Kouji Shibata (Hachinohe I.T.), Takashi Iijima (National Institute of Advanced Industrial Science and Technology), Yoichiro Masuda (Hachinohe I.T.) MW2008-144 |
(To be available after the conference date) [more] | MW2008-144 pp.149-154 |
| MW | 2008-11-21 15:50 |
Nagasaki | Nagasaki-Univ. | Electromagnetic Field Measurement and Evaluation of an Object over Two-Dimensional Communication Media Azman Osman Lim, Kenichi Tezuka, Bing Zhang (National Institute of Information and Communications Technology) MW2008-145 |
The two-dimensional (2D) communication media is a novel communication form, which enables devices to communicate with hi... [more] | MW2008-145 pp.155-159 |
| MW | 2008-12-12 09:00 |
Toyama | Toyama-Univ. Gofuku-camp. | Effective 2-Debye-Pole FDTD Model of Electromagnetic Interaction between Whole Humanh Body and UWB Radiation Ryo Fujii, Reo Yotsuki, Shaidatul Ain Binti Abdullah, Mohd Ariff Bin Saadin, Yusuke Shimizu, Masafumi Fujii (Univ. Toyama) MW2008-146 |
[more] | MW2008-146 pp.1-6 |
| MW | 2008-12-12 09:25 |
Toyama | Toyama-Univ. Gofuku-camp. | Millimeter-Wave Passive Microscopy Masamitsu Noto, Tatsuo Nozokido, Tadakuni Murai (Univ. of Toyama) MW2008-147 |
A new type of millimeter-wave imaging format, millimeter-wave passive microscopy, is proposed. Millimeter-wave passive i... [more] | MW2008-147 pp.7-12 |
| MW | 2008-12-12 09:50 |
Toyama | Toyama-Univ. Gofuku-camp. | Left-Handed Microstrip Line using Thick Ferrite Substrate and its Application to Tunable Filter Makoto Tsutsumi (Fukui Univ. of Tech.), Kensuke Okubo (Okayama Pref. Univ.) MW2008-148 |
Left-handed microstrip line having thick ferrite substrate is proposed to reduce nonreciprocity of line for the filter a... [more] | MW2008-148 pp.13-18 |
| MW | 2008-12-12 10:15 |
Toyama | Toyama-Univ. Gofuku-camp. | New resonance mode of MLCC
-- Application to Metamaterials -- Atsushi Toujo, Takashi Fujii, Keisuke Kageyama, Hiroshi Takagi (Murata Mfg.Co.,Ltd), Masao Kitano (Kyoto Univ.) MW2008-149 |
We have found a new resonance mode for an electrically isolated, multilayer monolithic Ceramic capacitor (MLCC). The re... [more] | MW2008-149 pp.19-24 |
| MW | 2008-12-12 10:50 |
Toyama | Toyama-Univ. Gofuku-camp. | SIW Type 0-dB Couplers Comprising Metal Mesh for Millimeter-Wave Applications Seiji Hidaka, Nobuyuki Tenno, Akira Komatsuzaki, Toshiro Hiratsuka (Murata Mfg. Co., Ltd.) MW2008-150 |
A 0-dB coupler comprising metal mesh patterns has been studied to realize wideband and low-loss characteristics for mill... [more] | MW2008-150 pp.25-30 |
| MW | 2008-12-12 11:15 |
Toyama | Toyama-Univ. Gofuku-camp. | Chip Antenna Integrated with Tuning Circuit for 1seg D-TV Usage Kenichi Ishizuka, Hiroshi Nishida, Kazunari Kawahata (Murata Manufacturing Co.,Ltd.) MW2008-151 |
This paper proposes the miniaturized antenna for the cellular phone with 1-Seg system. Firstly we examined the matching ... [more] | MW2008-151 pp.31-36 |
| MW | 2008-12-12 11:40 |
Toyama | Toyama-Univ. Gofuku-camp. | Fast calculation scheme for frequency characteristics compensator of digital predistortion linearizer compensating frequency-dependent IMD Junya Ohkawara, Yasunori Suzuki, Shoichi Narahashi (NTT DOCOMO) MW2008-152 |
[more] | MW2008-152 pp.37-40 |
| MW | 2008-12-12 13:00 |
Toyama | Toyama-Univ. Gofuku-camp. | Tunable Low Pass Filter with Back to Back Varactor Diodes and Fixed Capacitors Yusuke Kitsukawa, Masatake Hangai, Morishige Hieda, Moriyasu Miyazaki (Mitsubishi Electric Co.Info.Tech.) MW2008-153 |
In this report, a tunable low pass filter with back to back varactor diodes and fixed capacitors is described. Conventi... [more] | MW2008-153 pp.41-45 |
| MW | 2008-12-12 13:25 |
Toyama | Toyama-Univ. Gofuku-camp. | An Experimental Study on Center Frequency Tunable Filter with Constant Bandwidth loaded Varactor Diodes Takenori Yasuzumi, Ryohei Monzen (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2008-154 |
In this study，tunable BPF loaded by varactor diodes is proposed．The BPF takes the microstrip construction with capacitan... [more] | MW2008-154 pp.47-52 |
| MW | 2008-12-12 13:50 |
Toyama | Toyama-Univ. Gofuku-camp. | A Study of Gap-Coupled Microstrip Narrow-Bandpass Filter with Tapped Input/Output
-- NarrowBand Low insertion loss Bandpass Filter -- Hitoshi Ishida (Gunma College of Tech.), Kiyomichi Araki (Tokyo Inst.of Tech.) MW2008-155 |
In Microstrip gap-coupling Bandpass Filter: MGCBPF， sharp attenuation frequencies can be set at arbitrary frequency loca... [more] | MW2008-155 pp.53-58 |
| MW | 2008-12-12 14:25 |
Toyama | Toyama-Univ. Gofuku-camp. | The Design of Low Distoriton MOS Switches in Direct Sampling Mixers Masaki Ishii, Kiyomichi Araki (Tokyo Inst. of Tech.) MW2008-156 |
Discrete time receivers are an attractive solution for use in Software De-fined Radio (SDR). A discrete time receiver sa... [more] | MW2008-156 pp.59-64 |
| MW | 2008-12-12 14:50 |
Toyama | Toyama-Univ. Gofuku-camp. | An X-Band GaN HEMT Power Amplifier Unit for a Active Phased Array Antenna Ryota Suzuki, Taihei Nakata, Tsuyoshi Kumamoto, Yoshiaki Satake, Kazuhiro Kanto (Toshiba Corp.) MW2008-157 |
An X-band power amplifier unit for an active phased array antenna is developed, which has 16 transmitter circuits with G... [more] | MW2008-157 pp.65-69 |
| MW | 2008-12-12 15:15 |
Toyama | Toyama-Univ. Gofuku-camp. | A Novel Filter Construction Utilizing HTS Reaction-Type Filter to Improve Adjacent Channel Leakage Power Ratio of GaN HEMT Power Amplifiers Shunichi Futatsumori, Takashi Hikage, Toshio Nojima (Hokkaido Univ.), Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka (Fujitsu Ltd.) MW2008-158 |
We propose a new band selective stop filter construction to decrease the out of band intermodulation distortion (IMD) no... [more] | MW2008-158 pp.71-76 |
| MW | 2008-12-12 15:40 |
Toyama | Toyama-Univ. Gofuku-camp. | The Q factor calculations of Colpitts and Hartley oscillators with shorted stubs Tuya Wuren, Takashi Ohira (Toyohashi Univ. of Technology) |
[more] | |
| MW | 2008-12-12 16:15 |
Toyama | Toyama-Univ. Gofuku-camp. | A study of Reconfigurable Direct Sampling Mixer for Multimode Receiver Yohei Morishita, Yoshito Shimizu, Noriaki Saito (Panasonic Corp.), Kiyomichi Araki (Tokyo Inst.of Tech.) MW2008-159 |
Since the demand for low cost and low power consumption wireless integrated circuit has grown, a fabrication of RF circ... [more] | MW2008-159 pp.77-82 |
| MW | 2008-12-12 16:40 |
Toyama | Toyama-Univ. Gofuku-camp. | A millimeter wave multi-layered substrate-embedded termination tolerant to resistance variations of resistive film Takeshi Yuasa, Yukihiro Tahara, Naofumi Yoneda, Hideyuki Oh-hashi (Mitsubishi Electric Electric Co.) MW2008-160 |
[more] | MW2008-160 pp.83-86 |
| MW | 2008-12-12 17:05 |
Toyama | Toyama-Univ. Gofuku-camp. | A Millimeter-wave Reduced-sized Power Divider with Shunt Capacitors Embedded in Multilayered Substrates Yukihiro Tahara, Takeshi Yuasa (Mitsubishi Electric.Co.), Kenji Nagase (Mitsubishi Electric Engineering. Co Ltd.), Naofumi Yoneda (Mitsubishi Electric.Co.) MW2008-161 |
Various reduced-sized Wilkinson power dividers loaded with capacitors or stubs have been reported. In this report, a com... [more] | MW2008-161 pp.87-90 |
| MW | 2008-12-12 17:30 |
Toyama | Toyama-Univ. Gofuku-camp. | Cylindrical Multiple-Port Power Divider/Combiner With Broadband Coaxial-Conical-Radial Line Transition Hiroyuki Kamata, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (OKayama Univ.) MW2008-162 |
Cylindrical power divider/combiner’s with broadband coaxial-conical-radial line transition have been studied, which have... [more] | MW2008-162 pp.91-96 |
| MW, ED | 2009-01-14 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A development of multi-port switch for 60GHz multi-sector switched-beam antenna Shoichi Kitazawa, Amane Miura, Masataka Ohira, Susumu Ano, Masazumi Ueba (ATR) |
(To be available after the conference date) [more] | |
| MW, ED | 2009-01-14 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | 24-GHz 1-V Pseudo-Stacked Mixer Nobuhiro Shiramizu, Toru Masuda, Takahiro Nakamura, Katsuyoshi Washio (Hitachi, Ltd.) ED2008-198 MW2008-163 |
We have developed a low-power down-conversion mixer for a quasi-millimeter-wave frequency region. In order to reduce sup... [more] | ED2008-198 MW2008-163 pp.1-5 |
| MW, ED | 2009-01-14 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Millimeter-wave Discrete Harmonic Mixer using Flipchip Interconnect Kenji Kawakami, Takuya Suzuki, Ko Kanaya, Yoichi Kitamura, Morishige Hieda (Mitsubishi Electric Co.) ED2008-199 MW2008-164 |
[more] | ED2008-199 MW2008-164 pp.7-10 |
| MW, ED | 2009-01-14 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | design of broadband amplifier with consideration of output capacitance Eigo Kuwata, Koji Yamanaka, Tasuku Kirikoshi, Akira Inoue, Moriyasu Miyazaki (Mitsubishi Electric Co.) ED2008-200 MW2008-165 |
Recently, broadband amplifiers have become more important for ultra-wideband (UWB) radio communication systems and multi... [more] | ED2008-200 MW2008-165 pp.11-15 |
| MW, ED | 2009-01-14 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | V-band 8th Order Push-Push Oscillator Kengo Kawasaki, Takayuki Tanaka, Masayoshi Aikawa (Saga Univ.) ED2008-201 MW2008-166 |
This paper presents a study for the 8th harmonic signal generating push-push oscillator.A proposed push-push oscillator ... [more] | ED2008-201 MW2008-166 pp.17-22 |
| MW, ED | 2009-01-14 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | GaN-based Natural Super Junction Diodes Hidetoshi Ishida, Daisuke Shibata, Hisayoshi Matsuo, Manabu Yanagihara, Yasuhiro Uemoto, Tetsuzo Ueda, Tsuyoshi Tanaka, Daisuke Ueda (Panasonic Co.) ED2008-202 MW2008-167 |
We propose a new breakdown mechanism of GaN-based electron devices called “Natural Super Junction”. The junction model i... [more] | ED2008-202 MW2008-167 pp.23-27 |
| MW, ED | 2009-01-14 15:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Evaluation of reverse conduction GaN FET Osamu Machida, Nobuo Kaneko, Ryohei Baba, Michiyoshi Izawa, Shinichi Iwakami, Masataka Yanagihara, Hirokazu Goto, Akio Iwabuchi (Sanken Electric Co.) ED2008-203 MW2008-168 |
We fabricated reverse conduction (RC) GaN FETs which monolithically integrated normally-off mode GaN FET and GaN SBD. Tw... [more] | ED2008-203 MW2008-168 pp.29-34 |
| MW, ED | 2009-01-14 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Application of High Voltage GaN-HEMT for Electrodelss Fluorescent Lamp Circuit Wataru Saito (Toshiba Corp.), Tomokazu Domon (Toshiba Business and Life Service), Ichiro Omura, Tomohiro Nitta, Yorito Kakiuchi, Yasunobu Saito, Kunio Tsuda, Masakazu Yamaguchi (Toshiba Corp.) ED2008-204 MW2008-169 |
This paper reports the demonstration of the resonant inverter circuit for electrodeless fluorescent lamps using a high-v... [more] | ED2008-204 MW2008-169 pp.35-40 |
| MW, ED | 2009-01-15 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Analysis of Temperature Distribution of a Heated Material Placed in a Microwave Oven
-- Considering the Change of Electric Permittivity by Temperature Rise -- Masaki Karakawa, Shinya Watanabe, Osamu Hashimoto (Aoyama Gakuin Univ.) ED2008-205 MW2008-170 |
[more] | ED2008-205 MW2008-170 pp.41-46 |
| MW, ED | 2009-01-15 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Improvement of the Stopband Characteristics of Banpass Filters Using Microstrip Composite Shunt Resonators Takanori Tozawa, Zhewang Ma (Saitama Univ.), Chun-Ping Chen (Kanagawa Univ, Japan), Tetsuo Anada (Kanagawa Univ.), Yoshio Kobayashi (Saitama Univ.) ED2008-206 MW2008-171 |
In this paper, a novel microstrip bandpass filter (BPF) with sharp attenuations and wide stopband is developed through a... [more] | ED2008-206 MW2008-171 pp.47-52 |
| MW, ED | 2009-01-15 10:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Analysis of A Microstrip Parallel-Coupled Dual-Mode Ring Resonator and Its Application to the Design of Filters Hideyuki Sasaki, Zhewang Ma (Saitama Univ.), Chun-Ping Chen (Kanagawa Univ, Japan.), Tetsuo Anada (Kanagawa Univ.), Yoshio Kobayashi (Saitama Univ.) ED2008-207 MW2008-172 |
By using the even-odd mode method, a micostrip parallel-coupled dual-mode square ring resonator is analyzed based on its... [more] | ED2008-207 MW2008-172 pp.53-58 |
| MW, ED | 2009-01-15 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Submillimeter Wave Nonreciprocal Propagation Characteristics of a Coupled Line Containing Solid-State Plasma Material Kei Maruyama, Tetsuo Obunai, Shinichi Yodokawa, Satoru Kousaka (Akita Univ.) ED2008-208 MW2008-173 |
Submillimeter wave nonreciprocal propagation characteristics of a coupled line containing solid-state magnetoplasma mate... [more] | ED2008-208 MW2008-173 pp.59-64 |
| MW, ED | 2009-01-15 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Low Loss Coplanar Waveguide Structure on High-Resistivity Silicon Substrate Takehiko Makita, Isao Tamai, Shinichi Hoshi, Shohei Seki (Oki Electric Industry Co., Ltd.) ED2008-209 MW2008-174 |
We have fabricated and evaluated attenuation characteristics of coplanar waveguide (CPW) on high-resisitivity silicon su... [more] | ED2008-209 MW2008-174 pp.65-70 |
| MW, ED | 2009-01-15 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A Study on HBT RF Power Detectors with Directional Couplers on a GaAs Substrate Kazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Nobuyuki Ogawa, Masatoshi Nakayama (Mitsubishi Electric Co.) ED2008-210 MW2008-175 |
This paper describes circuit design and measurement results of a phase-shifter built-in spiral directional coupler and i... [more] | ED2008-210 MW2008-175 pp.71-76 |
| MW, ED | 2009-01-15 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Influence of Gate Structure on Parasitic Gate Delay in InGaAs-Channel HEMTs Kohei Horiike, Syunsuke Fukuda, Keisuke Akagawa, Tetsuya Suemitsu, Taiichi Otsuji (Tohoku Univ.) ED2008-211 MW2008-176 |
InP-based high electron mobility transistors (HEMTs) have been developed for microwave and millimeter-wave ICs. By scali... [more] | ED2008-211 MW2008-176 pp.77-81 |
| MW, ED | 2009-01-15 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Reduction of the Base Transit Time in Ultra-thin Graded-Base InP/GaInAs Heterojunction Bipolar Transistor Takafumi Uesawa, Masayuki Yamada, Yasuyuki Miyamoto, Kazuhito Furuya (Tokyo Inst. of Tech.) ED2008-212 MW2008-177 |
Abstract We report a Monte Carlo analysis of base transit time in ultra-thin and heavily-doped InP/InGaAs HBT’s. In ultr... [more] | ED2008-212 MW2008-177 pp.83-88 |
| MW, ED | 2009-01-15 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Two-channel InP HBT Differential Automatic-gain-control Transimpedance Amplifier IC for 43-Gbit/s DQPSK Photoreceiver Hiroyuki Fukuyama, Toshihiro Itoh, Tomofumi Furuta, Kenji Kurishima, Masami Tokumitsu, Koichi Murata (NTT) ED2008-213 MW2008-178 |
We have developed a two-channel automatic-gain-control transimpedance amplifier IC by using InP heterojunction bipolar t... [more] | ED2008-213 MW2008-178 pp.89-94 |
| MW, ED | 2009-01-15 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | High-frequency and low-noise performances of InP-based HEMTs for millimeter-wave monolithic integrated circuits Issei Watanabe, Akira Endoh (National Inst. of Info.&Com. Tech.), Takashi Mimura (National Inst. of Info.&Com. Tech/Fujitsu Lab. Limited,), Toshiaki Matsui (National Inst. of Info.&Com. Tech.) ED2008-214 MW2008-179 |
InP-based high electron mobility transistors (HEMTs) are the most promising devices not only for future high-speed and h... [more] | ED2008-214 MW2008-179 pp.95-99 |
| MW, ED | 2009-01-15 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Characteristics on Primary Radiator Fed by Coaxial Cable at 60GHz Makoto Okiyokota, Motonori Nakamura, Futoshi Kuroki (Inst. of National College of Tech.) ED2008-215 MW2008-180 |
A primary radiator fed by a coaxial cable for offset parabolic reflectors was investigated for millimeter-wave planar an... [more] | ED2008-215 MW2008-180 pp.101-104 |
| MW, ED | 2009-01-15 15:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Experimental Study on Bilaterally Metal-loaded Tri-plate Transmission Line at Millimeter-wavelengths Ryo-ji Tamaru, Futoshi Kuroki (Kure Nat'l Coll of Tech) ED2008-216 MW2008-181 |
Since surfaces of dielectric substrates for printed boards are usually roughened to make tight copper-coating, it was fo... [more] | ED2008-216 MW2008-181 pp.105-108 |
| MW, ED | 2009-01-15 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A Report on the China-Japan Joint Microwave Conference 2008 Futoshi Kuroki (Kure Nat'l Coll of Tech) ED2008-217 MW2008-182 |
[more] | ED2008-217 MW2008-182 pp.109-112 |
| MW, ED | 2009-01-16 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg | C-band GaN-HEMT Power Amplifier with Over 300-W Output Power and Over 50-% Efficiency Hisao Shigematsu, Yusuke Inoue, Satoshi Masuda, Masao Yamada, Masahito Kanamura, Toshihiro Ohki, Kozo Makiyama, Naoya Okamoto, Kenji Imanishi, Toshihide Kikkawa, Kazukiyo Joshin, Naoki Hara (Fujitsu Lab. Ltd.,) ED2008-218 MW2008-183 |
[more] | ED2008-218 MW2008-183 pp.113-118 |
| MW, ED | 2009-01-16 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Effect of Temperature on Cryogenic DC and RF Characteristics of AlGaN/GaN MIS-HEMTs Akira Endoh, Issei Watanabe, Yoshimi Yamashita (National Inst. of Info and Com Tech.), Takashi Mimura (National Inst. of Info and Com Tech/Fujitsu Lab Ltd.,), Toshiaki Matsui (National Inst. of Info and Com Tech.) ED2008-219 MW2008-184 |
We fabricated AlGaN/GaN MIS-HEMTs (metal-insulator-semiconductor high electron mobility transistors) with SiN/SiO2/SiN t... [more] | ED2008-219 MW2008-184 pp.119-123 |
| MW, ED | 2009-01-16 10:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | AlGaN/GaN MIS-HFETs Using In-situ SiN as Gate Insulators Masayuki Kuroda, Tomohiro Murata, Satoshi Nakazawa, Toshiyuki Takizawa, Masaaki Nishijima, Manabu Yanagihara, Tetsuzo Ueda, Tsuyoshi Tanaka (Panasonic) ED2008-220 MW2008-185 |
AlGaN/GaN heterojunction transistors (HFETs) are promising for high frequency and high power applications owing to the h... [more] | ED2008-220 MW2008-185 pp.125-128 |
| MW, ED | 2009-01-16 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | High-Power GaN-HEMT with High Three-Terminal Breakdown Voltage for W-band Applications Kozo Makiyama, Toshihiro Ohki, Masahito Kanamura, Kazukiyo Joshin, Kenji Imanishi (Fujitsu Ltd/Fujitsu Lab. Ltd.), Naoki Hara (Fujitsu Lab. Ltd.), Toshihide Kikkawa (Fujitsu Ltd/Fujitsu Lab. Ltd.) ED2008-221 MW2008-186 |
We reported on a technology to improve the three-terminal breakdown voltage of a GaN high electron mobility transistor (... [more] | ED2008-221 MW2008-186 pp.129-133 |
| MW, ED | 2009-01-16 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A High Efficiency Class-F GaN HEMT Power Amplifier with a Diode Predistortion Linearizer Akihiro Ando, Yoichiro Takayama, Tsuyoshi Yoshida, Ryo Ishikawa, Kazuhiko Honjo (The Univ of Electro-Communications) ED2008-222 MW2008-187 |
This paper describes a high-efficiency Class-F GaN HEMT power amplifier linearized by a diode predistorter. The series d... [more] | ED2008-222 MW2008-187 pp.135-139 |
| MW, ED | 2009-01-16 11:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Mesa-gate AlGaN/GaN HEMT having nano-width channels Kota Ohi, Tamotsu Hashizume (Hokkaido Univ.) ED2008-223 MW2008-188 |
The surrounding field effect was effectively observed in a multi-mesa channel (MMC) using an AlGaN/GaN structure, where ... [more] | ED2008-223 MW2008-188 pp.141-144 |
| MW | 2009-03-06 09:10 |
Tokyo | NHK Science & Technical Research Lab. | SIR type band pass filter with wide suppression band width Somboon Theerawisitpong (Nippon Inst. of Tech.), Masato Ogue, Fumiya Okawa (National Defense Academy), Toshitatsu Suzuki (Nippon Inst. of Tech.), Toshihisa Kamei (National Defense Academy), Noboru Morita (Nippon Inst. of Tech.), Yozo Utsumi (National Defense Academy) MW2008-189 |
We developed a bandpass filter using folded stepped-impedance resonators where center frequency is 1.95GHz with 60MHz ba... [more] | MW2008-189 pp.1-5 |
| MW | 2009-03-06 09:30 |
Tokyo | NHK Science & Technical Research Lab. | Dynamic BAN Channnel Measurement using Network Analyzer in UHF Yuuki Terao, Minseok Kim, Jun-ichi Takada (Tokyo Inst. of Tech.) MW2008-190 |
[more] | MW2008-190 pp.7-11 |
| MW | 2009-03-06 09:50 |
Tokyo | NHK Science & Technical Research Lab. | Polarization Characteristics of a Small Urban MIMO Macrocell Yohei Konishi, Lawrence Materum, Mir Ghoraishi, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Ltd.) MW2008-191 |
This report presents clusterwise polarization characteristics taken from an estimated MIMO channel of a small urban macr... [more] | MW2008-191 pp.13-18 |
| MW | 2009-03-06 10:15 |
Tokyo | NHK Science & Technical Research Lab. | Impact of Angular Power Spectrum on the Diversity Antenna Gain of Mobile Terminal Elnaz Foroughi Shafiei, Junichi Takada (Tokyo Inst. of Tech.) MW2008-192 |
The array antenna systems in the mobile terminals, such as antenna diversity has been evaluated under the uniform (omnid... [more] | MW2008-192 pp.19-24 |
| MW | 2009-03-06 10:40 |
Tokyo | NHK Science & Technical Research Lab. | Reducing Range Finding Error in NRD Guide Pulse Radar System using VCXO with Low Jitter at 60GHz Kazuya Takayama, Shimpei Takeda, Futoshi Kuroki (Kure Nationao Coll. of Tech.), Tsukasa Yoneyama (Tohoku Inst. of Tech.,) MW2008-193 |
A pulse radar front-end using an NRD-guide technology was fabricated as a tank level sensor at millimeter wave lengths, ... [more] | MW2008-193 pp.25-28 |
| MW | 2009-03-06 11:00 |
Tokyo | NHK Science & Technical Research Lab. | Representation of Inverter Parameter Network in Evanescently-Coupled Transmission with Asymmetrical Input and Output Ports Yusuke Omote, Kazuya Miyamoto, Futoshi Kuroki (Kure Nat'l. Coll. of Tech.) MW2008-194 |
[more] | MW2008-194 pp.29-32 |
| MW | 2009-03-06 11:20 |
Tokyo | NHK Science & Technical Research Lab. | Consideration on Comparison of Gunn Oscillators by Using 2 Types of Self-injection Locking at 60GHz Koichi Oue, Futoshi Kuroki (Kure Nat'l Coll. of Tech.), Tsukasa Yoneyama (Tohoku Inst. of Tech.) MW2008-195 |
[more] | MW2008-195 pp.33-36 |
| MW | 2009-03-06 11:40 |
Tokyo | NHK Science & Technical Research Lab. | Consideration on Matching Circuits in J-Shaped Monopole Array Antenna at UHF Band Shinya Kashihara, Futoshi Kuroki (Kure Nat'l. Coll. of Tech.) MW2008-196 |
For the purpose of developing compact and thin antennas at UHF-band, a monopole array antenna consisting of a folded J-s... [more] | MW2008-196 pp.37-40 |
| MW | 2009-03-06 13:00 |
Tokyo | NHK Science & Technical Research Lab. | Calculation of Impedance of Conductors of Rectangular Cross Section that Considered Influence of Substrateloss Makoto Matsuki, Akira Matsushima, Koji Nakagawa (Kumamoto Univ.) MW2008-197 |
Impedance of a conductor with an rectangular cross section are computed by the cross section is subdivided into small se... [more] | MW2008-197 pp.41-46 |
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