| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 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, IEEE-BT, HOKKAIDO |
2023-07-28
12:10 |
Hokkaido |
Sapporo Business Innovation Center
(Primary: On-site, Secondary: Online) |
Research on high-precision and high-stability rubidium atomic oscillators
Souma Kaida, Takumi Kawamura, Aiichiro Tsuzuku (Meijo Univ.) |
Currently, to obtain the correct frequency, rubidium atomic oscillators and cesium atomic oscillators are used. Rubidium... [more] |
BCT2023-62
pp.53-56 |
| 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 |
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 |
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 |
| IEICE-MRIS, MMS |
2017-10-19
15:10 |
Niigata |
Kashiwazaki energy hall, Niigata |
Micromagnetic analysis of MAMR recording head
-- Oscillation of small-sized STO with small external field --
Ryo Itagaki, Yasushi Kanai (Niigata Inst. of Tech.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
A micromagnetic model analysis of a spin-torque oscillator and write head for microwave-assisted magnetic recording was ... [more] |
|
| IEICE-MRIS, MMS |
2017-06-09
11:35 |
Miyagi |
Tohoku Univ. |
Speeding up micromagnetic simulation and application to spin torque devices
Tadashi Ataka, Atsushi Furuya, Tomohiro Tanaka, Chikako Yoshida, Kouichi Shimizu, Jun Fujisaki, Yuuji Uehara (Fujitsu Ltd.), Hirotaka Oshima (Fujitsu Lab.) |
In recent years, saving the energy of the electronic devices has been needed , because of the interest in the environme... [more] |
MMS2017-47
pp.71-75 |
| BCT, KYUSHU |
2017-01-20
10:30 |
Oita |
Oita Univ. (Oita City) |
Experimental Evaluation of a Polarization Switchable Ring Slot Active Antenna Integrating Gunn Oscillators
Yoshiaki Furukawa, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
In this paper, we propose a polarization switchable active antenna integrating Gunn oscillators. The proposed active ant... [more] |
BCT2017-16
pp.61-64 |
| IEICE-ICD, IEICE-SDM, IST [detail] |
2016-08-01
10:00 |
Osaka |
Central Electric Club |
A fast-start up and fully-integrated 32-MHz clock generator for intermittent VLSI systems
Hiroki Asano, Tetsuya Hirose, Taro Miyoshi, Keishi Tsubaki, Toshihiro Ozaki, Nobutaka Kuroki, Masahiro Numa (Kobe Univ.) |
This paper proposes a fully integrated 32-MHz relaxation oscillator (ROSC)
capable of fast start-up time operation f... [more] |
|
| IEICE-MRIS, MMS |
2016-06-10
10:55 |
Miyagi |
Tohoku Univ. |
Simulation of STO for microwave-assisted magnetic recording (3)
-- Optimum injected current of integrated STO --
Kazuki Abe, Yuuki Tabuse, Yasushi Kanai (NIIT), kazuetsu Yoshida (Kogakuin Univ.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
Micromagnetic analysis was carried out for the spin-torque oscillator (STO) used for microwave-assisted magnetic recordi... [more] |
|
| IEICE-MRIS, MMS |
2016-06-10
11:20 |
Miyagi |
Tohoku Univ. |
Micromagnetic simulation of STO for microwave-assisted magnetic recording (4)
-- Optimum injected current density of integrated STO vs. write head structure and head material characteristics --
Yuuki Tabuse, Yasushi Kanai (NIIT), Kazuetsu Yoshida (Kogakuin Univ.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
Micromagnetic analysis was carried out for the spin-torque oscillator (STO) used for microwave-assisted magnetic recordi... [more] |
|
| IEICE-MRIS, MMS |
2015-06-04
14:15 |
Tokyo |
Tohoku Univ. |
Dual free-layer spin-torque oscillator for read head application in magnetic recording
Tazumi Nagasawa, Kiwamu Kudo, Hirofumi Suto, Michinaga Yamagishi, Koichi Mizushima, Rie Sato (Toshiba RDC) |
Read heads for HDDs with areal density over 2 Tb/in2 are predicted to suffer from magnetic noises that seriously reduce ... [more] |
|
| BCT, IEEE-BT, IEEE-AP-S-FUKUOKA |
2012-01-27
13:30 |
Fukuoka |
Fukuoka Institute of Technology |
Beam steering antenna using oscillator array
Takafumi Yanaga, Kengo Kawasaki, Eisuke Nishiyama, Masayoshi Aikawa (Saga Univ.) |
In this paper，the beam steering antenna using oscillator array is proposed．The proposed beam steering antenna consists o... [more] |
BCT2012-18
pp.73-76 |
| BCT, IEEE-BT, IEEE-AP-S-FUKUOKA |
2012-01-27
14:40 |
Fukuoka |
Fukuoka Institute of Technology |
Mutually synchronized Push-Push Oscillator Array using Variable phase shift coupling circuit
Tatsuma Uehara, Masayoshi Aikawa, Takayuki Tanaka (Saga Univ) |
In this paper, a Push-Push oscillator array using Variable Phase Shift Coupling Circuit (VSPCC) is presented. The oscill... [more] |
BCT2012-20
pp.81-84 |
| BCT, IEEE-BT, IEEE-AP-S-FUKUOKA |
2012-01-27
15:10 |
Fukuoka |
Fukuoka Institute of Technology |
A Push-Push Oscillator Array Using Sequential Injection-locking Coupling Circuit
Kengo Kawasaki, Takayuki Tanaka, Masayoshi Aikawa (Saga Univ.) |
In this paper, an oscillator array using a sequential injection-locking coupling circuit is proposed. Push-Push oscillat... [more] |
BCT2012-21
pp.85-88 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2011-01-27
10:40 |
Kagoshima |
Daiichi institute of technology |
Low Phase Noise Positive Feedback Push-Push Oscillator
Hiroshi Hashiguchi, Takayuki Tanaka, Masayoshi Aikawa (Saga Univ.) |
In this paper, a novel structure of low noise positive feedback Push-Push oscillator is described. This circuit consists... [more] |
BCT2011-4
pp.13-16 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2011-01-27
11:00 |
Kagoshima |
Daiichi institute of technology |
Study of Positive Feedback Push-Push VCO
Takayuki Fujimoto, Takayuki Tanaka, Masayoshi Aikawa (Saga Univ) |
In this paper, a wide band positive feedback Push-Push VCO using Double-Sided MIC technology was proposed. HEMTs are use... [more] |
BCT2011-5
pp.17-20 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2011-01-27
13:00 |
Kagoshima |
Daiichi institute of technology |
Reflection-type Push-Push Oscillator Array using Variable Phase Shift Coupling Circuit
Tatsuma Uehara, Takayuki Tanaka, Masayoshi aikawa (Saga Univ) |
In this paper, a Push-Push oscillator array using variable phase shift coupring circuit is presented. The oscillator arr... [more] |
BCT2011-8
pp.29-32 |