Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WPT |
2014-06-06 14:55 |
Tokyo |
Univ. of Tokyo |
Composite Right and Left Handed System for Long-Haul Electrified Roadway Yoshiki Suzuki, Naoki Sakai, Tuya Wuren, Takashi Ohira (Toyohashi Univ. of Tech.) WPT2014-27 |
This paper describes a problem of a long-haul electrified roadway and proposes a new electrified roadway structure explo... [more] |
WPT2014-27 pp.17-22 |
AP |
2013-01-23 11:25 |
Miyazaki |
Hotel Merieges (Miyazaki City) |
A New Figure of Merit to Evaluate Directivity Diversity of Variable Beamforming Antenna for Wireless Secret Key Agreement Systems Naoki Sakai, Yasuaki Oda, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (Toyohashi Univ. of Tech.) AP2012-125 |
This paper proposes a figure of merit to evaluate antenna's directivity diversity for wireless secret key agreement syst... [more] |
AP2012-125 pp.19-24 |
MW, ED |
2013-01-17 15:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Q Factor Simulation and SSB Noise Measurement for Transmission Line Feedback FET Oscillators with FET Parasitic Elements Takanari Minami, Sonshu Sakihara, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (TUT) ED2012-114 MW2012-144 |
[more] |
ED2012-114 MW2012-144 pp.11-16 |
WPT (2nd) |
2012-12-06 13:55 |
Kanagawa |
Yokosuka Research Park |
High Efficiency RF Rectifier for Via-Wheel Power Transfer to Mobility Scooter on Electrified Roadway Takamitsu Sugiura, Yoshiki Suzuki, Naoki Sakai, Tuya Wuren, Takashi Ohira (Toyohashi Univ. of Tech) |
[more] |
|
MW |
2012-11-22 09:30 |
Okinawa |
|
Q-Factor Analysis and Experimental Evaluation on SSB Noise for Double-Loop Feedback FET Oscillators Sonshu Sakihara, Takanari Minami, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (TUT) MW2012-119 |
[more] |
MW2012-119 pp.35-40 |
MW |
2012-06-29 11:00 |
Gifu |
Gifu Univ. |
Maximum Available Q Factor (MAQ) Theory for Transmission-Line Feedback FET Oscillators Tuya Wuren, Takanari Minami, Sonshu Sakihara, Naoki Sakai, Takashi Ohira (TUT) MW2012-18 |
This paper presents maximum available Q factor (MAQ) for an FET oscillator employing a simple half wave length transmiss... [more] |
MW2012-18 pp.1-4 |
MW |
2012-03-01 09:20 |
Saga |
Saga University |
[Special Talk]
Small-Size FET Amplifier that Achieves Gain Flatness 0.08 dBpp over 200 MHz in 1 GHz Band Sonshu Sakihara, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (TUT) MW2011-166 |
This paper presents small-size FET amplifier that achieves gain flatness 0.8 dBpp over 200 MHz in 1 GHz band. This circu... [more] |
MW2011-166 pp.5-7 |
MW |
2012-03-01 10:00 |
Saga |
Saga University |
[Special Talk]
Small-Size High-Gain Distributed FET Amplifier in 1-GHz Band Kotaro Tanimura, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (TUT) MW2011-168 |
This paper presents design and prototyping of high-gain distributed FET amplifier in 1-GHz band. The distributed FET amp... [more] |
MW2011-168 pp.13-16 |
MW |
2012-03-02 09:00 |
Saga |
Saga University |
Q-Factor Analysis and Experiments on Transmission Line Feedback FET Oscillators Sonshu Sakihara, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (TUT) MW2011-178 |
This paper presents $Q$-factor analysis and experiments on transmission line feedback FET oscillators. We analyze the $Q... [more] |
MW2011-178 pp.61-64 |
MW |
2009-06-30 16:15 |
Aichi |
Nagoya Institute of Technology |
Basic Design of FET Oscillator Loaded with Stubs on Gate and Source Masumi Kobayashi, Naoki Sakai, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (Toyohashi Univ. of Tech.) MW2009-29 |
This paper presents a basic design of high Q factor FET oscillator circuit. The passive element parameters to satisfy os... [more] |
MW2009-29 pp.57-62 |
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 |
2008-06-27 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 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 |
2008-05-30 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 |
2007-12-18 11:00 |
Fukui |
Fukui Univ. |
A Miniaturized Microstrip Ring Resonator Lowpass Filter with Sharp Attenuation Tuya Wuren, Iwata Sakagami, Minoru Tahara, Masafumi Fujii (Toyama Univ.) MW2007-127 |
A miniaturized circuit of a microstrip ring resonator lowpass filter with sharp attenuation is proposed and investigated... [more] |
MW2007-127 pp.1-5 |
MW |
2007-12-18 11:25 |
Fukui |
Fukui Univ. |
4-Way Power Divider Using Inpedance-Transforming Branch Line Coupler Minoru Tahara, Iwata Sakagami, Masafumi Fujii, Tuya Wuren (Toyama Univ.) MW2007-128 |
In this paper, we show the comparison of the characteristics of four-way power divider using the branch line coupler wit... [more] |
MW2007-128 pp.7-12 |
MW |
2007-05-21 14:20 |
Hyogo |
University of Hyogo |
Microwave Band Bagley Polygon Type Multi-Way Power Dividers Iwata Sakagami, Tuya Wuren, Minoru Tahara, Masafumi Fujii (UT) MW2007-14 |
A new type of power divider with simple design theory is proposed based on the Bagley Polygon power divider. The design ... [more] |
MW2007-14 pp.11-16 |
EMCJ, MW |
2006-10-27 09:40 |
Aomori |
Hachinohe Institute of Technology |
Lumped-element out-of-phase wilkinson dividers Iwata Sakagami, Tuya Wuren, Minoru Tahara, Masafumi Fujii (UT) EMCJ2006-63 MW2006-119 |
A transmission-line segment called unit-element can be transformed into equivalent T- and $\pi$-type circuits of three l... [more] |
EMCJ2006-63 MW2006-119 pp.69-74 |
EMCJ, MW |
2006-10-27 10:05 |
Aomori |
Hachinohe Institute of Technology |
Impedance-transforming two-branch lumped-element quadrature couplers Iwata Sakagami, Tuya Wuren, Minoru Tahara, Masafumi Fujii (UT) EMCJ2006-64 MW2006-120 |
In this paper, firstly, a two-branch branch-line coupler with unequal loads that transforms terminal impedances from inc... [more] |
EMCJ2006-64 MW2006-120 pp.75-80 |