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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 77  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2025-03-06
09:05
Shimane Taisha Urara-kan Culrural Hall (Shimane, Online)
(Primary: On-site, Secondary: Online)
A 2-GHz Band SLMBA with Efficiency Above 44% at 12-dB Backoff Designed Using a Novel Optimization Method for Load Modulation
Tatsuya Itoh, Shinichi Tanaka (SIT)
(To be available after the conference date) [more]
MW 2025-03-06
09:55
Shimane Taisha Urara-kan Culrural Hall (Shimane, Online)
(Primary: On-site, Secondary: Online)
1.7-2.3GHz Band High-Efficiency GaN HEMT Power Amplifier Utilizing Mode Transition Among Class-E/F₂, Class-E, and Class-E/F₃
Ritsuki Takahashi, Shinichi Tanaka (SIT)
(To be available after the conference date) [more]
MW 2025-03-06
11:00
Shimane Taisha Urara-kan Culrural Hall (Shimane, Online)
(Primary: On-site, Secondary: Online)
A 100GHz-band GaN Amplifier Module for Beyond 5G
Yoshifumi Kawamura, Keigo Nakatani, Akihito Hirai, Koji Yamanaka (Mitsubishi Electric)
(To be available after the conference date) [more]
MW, ED 2025-01-24
14:20
Tokyo fukaya-kouminkan (Tokyo, Online)
(Primary: On-site, Secondary: Online)
[Invited Talk] Development of GaN-based HEMTs for 100 GHz Band 1 Watt Class Power Amplifiers
Shiro Ozaki, Yusuke Kumazaki, Yasuhiro Nakasha, Atsushi Yamada, Naoki Hara, Toshihiro Ohki (Fujitsu) ED2024-81 MW2024-167
This study describes high-power and high-efficiency 100 GHz band GaN-based high-electron-mobility transistors (HEMTs) fo... [more] ED2024-81 MW2024-167
pp.73-76
ED, CPM, LQE 2024-11-29
16:20
Aichi Nagoya Institute of Technology (Aichi) Improved performance of InP-based MOS-HEMTs by H2O vapor oxidant source for ALD-Al2O3 gate insulator films
Shiro Ozaki, Yusuke Kumazaki, Naoya Okamoto, Yasuhiro Nakasha, Toshihiro Ohki, Hara Naoki (Fujitsu) ED2024-38 CPM2024-82 LQE2024-69
In this study, we successfully demonstrated the improved performance of InP-based metal-oxide-semiconductor high-electro... [more] ED2024-38 CPM2024-82 LQE2024-69
pp.73-78
MW 2024-11-14
11:30
Okinawa JA Kume-jima Yuntaku house (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Analysis of Power Amplifiers by Large Signal S-Parameters of Power Transistors
Takashi Kondo, Kohei Fujiwara (TIRI), Sei Mizojiri, Kazuya Yaginuma (PB), Shinji Hara, Noriyuki Tanba (NU) MW2024-127
In general, an accurate transistor model is necessary to design a power amplifier. The nonlinear behavior can be charact... [more] MW2024-127
pp.24-28
MW 2024-11-14
13:55
Okinawa JA Kume-jima Yuntaku house (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Improvement of Output Back-Off Efficiency by Doherty-Outphasing Mixed Operation for 4.7-GHz-Band GaN HEMT Power Amplifier with Miniature Combiner
Yudai Shiraishi, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2024-130
An outphasing power amplifier is one of high-efficiency load-modulation amplifiers for wide-dynamic-range digitally modu... [more] MW2024-130
pp.40-45
MW 2024-11-15
11:00
Okinawa JA Kume-jima Yuntaku house (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Broadband X-Band GaN MMIC High Power Amplifier and Driver Amplifier Chipset
Kento Saiki, Jun Kamioka, Shintaro Shinjo (Mitsubishi Electric) MW2024-136
An X-band GaN MMIC amplifier chipset consists of high-power amplifier (HPA) and driver amplifier (DA) is presented. Ampl... [more] MW2024-136
pp.65-68
VLD, DC, RECONF, ICD, IPSJ-SLDM [detail] 2024-11-12
14:30
Oita COMPAL HALL (Oita, Online)
(Primary: On-site, Secondary: Online)
Low Power ΔΣ Modulator With Low Voltage OTA for Wearable Application
Naoya Maruyama, Satoshi Komatsu (Tokyo Denki Univ.) VLD2024-32 ICD2024-50 DC2024-54 RECONF2024-62
Wearable devices that monitor biological signals are powered by batteries. Therefore, the ΔΣ modulator (DSM) in these de... [more] VLD2024-32 ICD2024-50 DC2024-54 RECONF2024-62
pp.32-36
VLD, DC, RECONF, ICD, IPSJ-SLDM [detail] 2024-11-13
17:05
Oita COMPAL HALL (Oita, Online)
(Primary: On-site, Secondary: Online)
A development of Adaptive Bias Attachment for Low-Power Analog Circuit Design
Shunsuke Akahoshi, Nobukazu Takai (KIT) VLD2024-60 ICD2024-78 DC2024-82 RECONF2024-90
This report proposes a circuit that reduces standby power by converting the operating frequency of the circuit to Hi/Lo ... [more] VLD2024-60 ICD2024-78 DC2024-82 RECONF2024-90
pp.188-192
SIS, ITE-BCT 2024-10-03
12:15
Hokkaido Hokusei Gakuen Univ. (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
A Link Budget of LPWA Signal Relay in Analog Radio-over-Fiber Network
Koki Kawase, Rin Tokunaga, Koichiro Nakamura, Takeshi Higashino, Minoru Okada (Naist) SIS2024-17
Although the multi-hop relay is a promising method for increasing radio coverage to reduce the radio dead zone of the wi... [more] SIS2024-17
pp.9-13
IN, CCS
(Joint)
2024-07-29
10:45
Hokkaido Moerenuma Park Glass Pyramid (Hokkaido) Reservoir Computing for Predistortion of Power Amplifiers
Chen Haotian, Chen Jiaxuan, Natsuaki Ryo, Hirose Akira (UTokyo) CCS2024-28
Neural network models have been widely used to perform digital predistortion (DPD) for
power amplifiers (PAs). However,... [more]
CCS2024-28
pp.1-4
IN, CCS
(Joint)
2024-07-29
11:10
Hokkaido Moerenuma Park Glass Pyramid (Hokkaido) Spin Physical Reservoir Computing in Application to Predistortion of Power Amplifiers
Chen Jiaxuan, Chen Haotian, Hirose Akira (UTokyo) CCS2024-29
Reservoir computing (RC) is a machine-learning framework that employs a nonlinear kernel to map time-sequential input da... [more] CCS2024-29
pp.5-9
PN 2024-03-15
10:10
Kagoshima (Kagoshima, Online)
(Primary: On-site, Secondary: Online)
Optically powered antenna unit with remotely optical amplification using a multi core fiber
Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yashikane, Takehiro Tsuritani (KDDI Research, Inc.) PN2023-79
We experimentally demonstrate a simultaneous transmission of data signal, feed light and pump light using a multi-core f... [more] PN2023-79
pp.53-57
MW 2024-03-01
14:05
Okayama Okayama Prefectural University (Okayama, Online)
(Primary: On-site, Secondary: Online)
[Special Talk] An Analytical Design Method of Wideband Combiner for Handset Doherty Power Amplifier
Shohei Imai, Hiroshi Okabe (Murata) MW2023-194
The development of handset Doherty power amplifier (DPA) is currently focused on achieving high data rates and low power... [more] MW2023-194
pp.99-103
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:40
Yamagata Yamagata University (Yamagata, Online)
(Primary: On-site, Secondary: Online)
Evaluation of DPD Compensation and Modulation Bandwidth Dependence of GaN Doherty Amplifier Using 5G NR TDD Signals
Ayano Yano, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-58 MW2023-112 EST2023-85
We are researching broadband GaN amplifiers for base stations covering 4G/5G frequencies. We built a measurement system ... [more] EMCJ2023-58 MW2023-112 EST2023-85
pp.119-124
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
13:00
Hokkaido Muroran Institute of Technology (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals
Marie Taguchi, Yuji Komatsuzaki, Kigo Nakatani, Shintaro Shinjo (MELCO) EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24
In recent years, the 5G base station covering dual-band modulated signals are being developed. We propose an arbitrary o... [more] EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24
pp.106-110
MW 2023-06-23
09:30
Kanagawa Yugawara-machi Shou-Kou-Kai Bldg. (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
[Special Talk] Fundamentals of GaN HEMT Large-Signal Model for Microwave Amplifier
Hiroshi Yamamoto, Ken Kikuchi (Sumitomo Electric) MW2023-25
To improve RF performance of microwave amplifiers, systematic circuit design techniques are required to maximize perform... [more] MW2023-25
pp.29-32
SANE 2023-05-23
10:10
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp. (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
Broadband High Power, High Efficiency Microwave Amplifiers Enabled by GaN HEMT
Eigo Kuwata, Jun Kamioka, Shintaro Shinjo, Koji Yamanaka (MELCO) SANE2023-3
Semiconductors are increasingly replacing electron tubes in microwave transmitters used for observation, communication a... [more] SANE2023-3
pp.12-17
MW, ED 2023-01-27
11:00
Tokyo Kikai-Shinko-Kaikan Bldg. (Tokyo, Online)
(Primary: On-site, Secondary: Online)
Measurement Evaluation of Bias Dependence of Single-Input Broadband GaN Amplifier
Yuki Nakagawa, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) ED2022-89 MW2022-148
We are researching a broadband GaN amplifier for 4G/5G base stations covering a 4GHz band from 800MHz to 4.8GHz. We aim ... [more] ED2022-89 MW2022-148
pp.19-24
 Results 1 - 20 of 77  /  [Next]  
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