| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-25
14:50 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Basic Study of Monopulse Three-Dimensional Beam Tracking Planar Array Antenna System Based on Secant Method Root-Finding Algorithm
Shuei Toyama, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This study proposes a three-dimensional beam tracking array antenna system based on the secant method root-finding algor... [more] |
BCT2024-4
pp.15-18 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
09:50 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Design and Performance Evaluation of Circularly Polarized Active Antenna Integrating Image-Rejection Mixer
Ryusei Kawasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ) |
We proposed and reported a circularly polarized down-conversion active antenna integrating an image-rejection mixer (IRM... [more] |
BCT2024-12
pp.45-48 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
13:00 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Performance Improvement of Push-Push VCO Using Varactor-Loaded Quasi-Distributed-Element Transmission-Line Resonator With Output Circuit Connected to Both Resonator Ends
Kouki Wakakita, Maodudul Hasan, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose a Push-Push voltage controlled oscillator (VCO) using a varactor-loaded quasi-distributed-elem... [more] |
BCT2024-18
pp.68-71 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
13:20 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Performance Improvement of Quadruple Push-Push Oscillator Using Half-Wavelength Microstrip-Line Resonators at 2nd Harmonic Frequency
Yusho Takeguchi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This paper presents a performance improvement of a quadruple Push-Push oscillator by using microstrip-line resonators. T... [more] |
BCT2024-19
pp.72-75 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2023-01-27
10:40 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Proposal of Ring-Slot Active Array Antenna Integrated With Transistor-Based Oscillators
Shotaro Manago, Maodudul Hasan, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose an active array antenna that integrates two ring-slot active antennas. The unit antenna consis... [more] |
BCT2023-10
pp.35-38 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
11:20 |
Online |
Online |
Experimental Study on Phase Noise Improvement of 2nd-Harmonic Feedback Oscillator Using Active Ring Resonator
Reou Kikuchi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose a low phase noise 2nd-harmonic feedback oscillator. The proposed oscillator integrates an acti... [more] |
BCT2022-2
pp.5-8 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
14:50 |
Online |
Online |
Bandwidth Improvement of Planar Magic-T Consisting of Microstrip Lines and Coplanar Stripline
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This paper proposes a new magic-T structure to improve the bandwidth of the planar magic-T consisting of microstrip line... [more] |
BCT2022-9
pp.33-36 |
| 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 |
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-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
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 |
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 |
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 [detail] |
2016-01-27
13:40 |
Saga |
Saga Univ. |
Experimental Evaluation of a Three-Element Positive Feedback Type Push-Push Oscillator Array Using Injection Locking Technology
Hirotaka Umezaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2016-3
pp.9-12 |
| BCT, KYUSHU [detail] |
2016-01-27
14:00 |
Saga |
Saga Univ. |
Basic Evaluation of a Dual Feed Planar Array Antenna Integrated With a Magic-T Employing a Slot-Line T Junction
Yuki Tanaka, Eisuke Nishiyama, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2016-4
pp.13-16 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2014-01-29
10:30 |
Nagasaki |
Nagasaki Univ. |
Design of a CRLH Slot Line for Both-sided Microwave Circuits
Ryuichi Teshima, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ) |
The CRLH (Composite Right/Left Handed) metamaterial is an attractive technology to achieve miniature and high performanc... [more] |
BCT2014-5
pp.17-20 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2014-01-29
10:50 |
Nagasaki |
Nagasaki Univ. |
Concept and Design of a Novel CRLH Transmission Line with Variable Band Gap
Atsushi Maeda, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
Recently, CRLH transmission lines have been much attracted in microwave community. We have proposed a new design concept... [more] |
BCT2014-6
pp.21-24 |