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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
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
 Results 1 - 19 of 19  /   
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