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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 54  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
11:30
Fukuoka Online Evaluation of deep level by small signal equivalent circuit analysis of GaN HEMT
Takumi Nishimura, Masaya Tabuchi (Saga Univ.), Yutaro Yamaguchi, Tomohiro Otsuka, Shintaro Shinjo, Yutaro Yamanaka (Mitsubishi Electric), Toshiyuki Oishi (Saga Univ.)
Although GaN HEMTs have been put to practical use as microwave high-power amplifiers, it is necessary to elucidate the e... [more] BCT2021-2
pp.5-8
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
13:00
Fukuoka Online Numerical Analysis of Perturbation Segment for Circular-Polarization Switching Microstrip Antenna Using Diodes
Reiya Ohshige, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2021-3
pp.9-12
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
13:20
Fukuoka Online Phase Noise Improvement of Positive Feedback Push-Push Oscillator Using Frequency Doubler Integrated in Injection Circuit
Koki Tokumaru, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this paper, a low phase noise positive feedback Push-Push oscillator using a frequency doubler integrated in an injec... [more] BCT2021-4
pp.13-16
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
13:40
Fukuoka Online Prototype Evaluation of a Continuously Tunable Polarization Agile Antenna Using Magic-T Type Variable Power Divider
Narito Morita, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2021-5
pp.17-20
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
14:30
Fukuoka Online Circuit design for excitation and switching of four resonance modes in polarization agile antenna
Ryo Moroishi, Eisuke Nishiyma, Ichihiko Toyoda (Saga Univ.)
We have proposed a quad-polarization agile antenna loading diodes. This antenna can switch four boundary conditions depe... [more] BCT2021-7
pp.25-28
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-23
13:40
Kagoshima   Basic Study of a new miniature rectenna integrating a rectifier in a antenna element for large-scale rectenna arrays
Kento Saito, Hiroshi Satow, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2020-3
pp.9-12
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-23
14:10
Kagoshima   Design of a Frequency-Tunable Balun Using Wideband Planar Magic-T
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
We have reported a magic-T based planar balun and its application to a variable phase shift balun and variable attenuati... [more] BCT2020-4
pp.13-16
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-23
14:30
Kagoshima   Design of a Low-Loss Planar Magic-T Employing Rectangle DGS
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this paper,a low-loss planar magic-T employing a Defected Ground Structure (DGS) is proposed.The proposed magic-T con... [more] BCT2020-5
pp.17-20
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-24
09:15
Kagoshima   Prototype Evaluation of a 90° - Hybrid Based Variable Power Divider for Beam Steering Array Antennas with Input Amplitude Control
Hiroki Uchiyama, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
We have proposed a beam steering antenna based on a monopulse system that integrates microstrip antenna elements and pla... [more] BCT2020-11
pp.39-42
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-24
09:35
Kagoshima   Design of a Beam Steering Circularly Polarized Array Antenna with Input Amplitude Control
Daiki Iwamoto, Nishiyama Eisuke, Toyoda Ichihiko (Saga Univ.)
This paper proposes a beam steering circularly polarized (CP) array antenna which employs input amplitude control beam-s... [more] BCT2020-12
pp.43-46
BCT, KYUSHU, IEEE-AP-S-FUKUOKA 2019-01-24
15:10
Fukuoka Kyushu Sangyo Univ. A Gunn diode model for planar Gunn oscillator design
Daichi Shimizu, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2019-6
pp.21-24
BCT, KYUSHU, IEEE-AP-S-FUKUOKA 2019-01-25
10:10
Fukuoka Kyushu Sangyo Univ. Prototype Evaluation of a Planar Rectenna Using Microstrip-Slot Cross Junction With Two Kinds of Output Voltages
Kenta Saisyo, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
We have proposed a differential rectenna having high conversion efficiency even at low power density. We also reported t... [more] BCT2019-12
pp.51-54
BCT, KYUSHU, IEEE-AP-S-FUKUOKA 2019-01-25
11:00
Fukuoka Kyushu Sangyo Univ. Basic Evaluation of a Planar Magic-T Based Balun and Its Application to Variable Phase Shift Balun
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this study, a novel magic-T based planar balun and its application to a variable phase shift balun are proposed. The ... [more] BCT2019-14
pp.59-62
BCT, KYUSHU, IEEE-AP-S-FUKUOKA 2019-01-25
11:20
Fukuoka Kyushu Sangyo Univ. Experimental Evaluation of a Magic-T Integrated Dual Circularly Polarized Array Antenna With Quadrature-fed Inclined Patches
Hiroki Uchiyama, Thet Paing Phyoe, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2019-15
pp.63-66
BCT, KYUSHU 2018-01-19
09:00
Nagasaki Nagasaki Univ. Unzen-E-Camllage-Kohryu-Center Characteristic Evaluation of a 12-Patch Active Array Antenna Integrated With a Gunn Oscillator and Polarization Modulators
Hiroki Ushiroda, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2018-12
pp.45-48
BCT, KYUSHU 2018-01-19
09:40
Nagasaki Nagasaki Univ. Unzen-E-Camllage-Kohryu-Center Basic Study of a Multi-Port Fourth-Harmonic Push-Push Oscillator Using a Ring Resonator
Naoaki Takeda, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this paper, a basic study of a multi-port fourth-harmonic Push-Push oscillator suitable for oscillator arrays is pres... [more] BCT2018-14
pp.53-56
BCT, KYUSHU 2018-01-19
10:00
Nagasaki Nagasaki Univ. Unzen-E-Camllage-Kohryu-Center Characteristic Evaluation of a 3-Port Push-Push Oscillator Using Slot-Ring Resonator
Takeshi Fukushima, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
Radar systems such as a collision avoidance system of cars have been widely used. In the systems, miniaturization and co... [more] BCT2018-15
pp.57-60
BCT, KYUSHU 2018-01-19
10:30
Nagasaki Nagasaki Univ. Unzen-E-Camllage-Kohryu-Center Experimental Stady on Performance Improvement of a DBM Integrated Circularly Polarized Microstrip Antenna
Takahiro Ino, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
Circularly polarized antennas based on a new principle using a double balanced multiplier are proposed to achieve wideba... [more] BCT2018-16
pp.61-64
BCT, KYUSHU 2017-01-19
14:30
Oita Oita Univ. (Oita City) Performance Variation Due to Feed Phase Error of a Beam Steering Antenna With Input Amplitude Control
Yuki Tanaka, Eisuke Nishiyama, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2017-5
pp.17-20
BCT, KYUSHU 2017-01-19
16:00
Oita Oita Univ. (Oita City) Nonlinear Characteristics of a DBM Integrated Circularly Polarized Microstrip Antenna
Takahiro Ino, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2017-9
pp.33-36
 Results 1 - 20 of 54  /  [Next]  
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