Shuhei Amakawa

44 papers C 1Journal 22Unranked 21
YearRankTypeTitle / Venue / Authors
2025 J jnl
A 300-GHz-Band 36-Gb/s Scalable 2-D Phased-Array CMOS Double Superheterodyne Receiver.
IEEE Solid State Circuits Lett.
Satoshi Tanaka, Shinsuke Hara, Kyoya Takano, Akifumi Kasamatsu, Yoshiki Sugimoto, Kunio Sakakibara, Shunichi Kubo, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2025 — conf
A Programmable CMOS-Based Fuzzy Membership Function for Bell-Shaped Curves.
ICECET
Hanane Sefraoui, Shuhei Amakawa, Abdechafik Derkaoui, Abdelhak Ziyyat
2025 — conf
De-Embedding Method for Accurate Electromagnetic Analysis of Differential Circuits with Discontinuities.
EuCNC/6G Summit
Koki Mochida, Satoshi Tanaka, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2024 — conf
25.9-Gb/s 259-GHz Phased-Array CMOS Receiver Module with 28° Steering Range.
RWS
Shinsuke Hara, Mohamed H. Mubarak, Akifumi Kasamatsu, Yoshiki Sugimoto, Kunio Sakakibara, Kyoya Takano, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2024 — conf
A 300-GHz-Band 36-Gb/s Scalable 2x2 2D Phased-Array CMOS Receiver.
A-SSCC
Satoshi Tanaka, Shinsuke Hara, Kyoya Takano, Akifumi Kasamatsu, Yoshiki Sugimoto, Kunio Sakakibara, Shunichi Kubo, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2024 — conf
Novel CMOS Circuit for Fuzzification: Implementing a Sigmoid Activation Function in Neural Networks.
ICECET
Hanane Sefraoui, Shuhei Amakawa, Abdechafik Derkaoui, Abdelhak Ziyyat
2023 J jnl
A 0.6-V 41.3-GHz Power-Scalable Sub-Sampling PLL in 55-nm CMOS DDC.
IEICE Trans. Electron.
Sangyeop Lee, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2023 — conf
A 2D Beam-Steerable 252-285-GHz 25.8-Gbit/s CMOS Receiver Module.
A-SSCC
Takeshi Yoshida, Shinsuke Hara, Tatsuo Hagino, Mohamed H. Mubarak, Akifumi Kasamatsu, Kyoya Takano, Yoshiki Sugimoto, Kunio Sakakibara, Shuhei Amakawa, Minoru Fujishima
2023 J jnl
A 58-%-Lock-Range Divide-by-9 Injection-Locked Frequency Divider Using Harmonic-Control Technique.
IEICE Trans. Electron.
Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2023 — conf
On-chip transmission lines for silicon CMOS 6G: From basics to open questions.
ICICDT
Shuhei Amakawa
2022 — conf
254-GHz-to-299-GHz Down Conversion Mixer Using 45nm SOI CMOS.
MWSCAS
Yuta Sako, Tomohiro Kobayashi, Shinsuke Hara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2022 J jnl
A 0.4-V 29-GHz-Bandwidth Power-Scalable Distributed Amplifier in 55-nm CMOS DDC Process.
IEICE Trans. Electron.
Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2022 J jnl
A 76-Gbit/s 265-GHz CMOS Receiver With WR-3.4 Waveguide Interface.
IEEE J. Solid State Circuits
Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Kyoya Takano, Naoya Toshida, Akifumi Kasamatsu, Kunio Sakakibara, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2021 J jnl
300-GHz-Band OFDM Video Transmission with CMOS TX/RX Modules and 40dBi Cassegrain Antenna toward 6G.
IEICE Trans. Electron.
Yohei Morishita, Sangyeop Lee, Toshihiro Teraoka, Ruibing Dong, Yuichi Kashino, Hitoshi Asano, Shinsuke Hara, Kyoya Takano, Kosuke Katayama, Takenori Sakamoto, Naganori Shirakata, Koji Takinami, Kazuaki Takahashi, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2021 — conf
A 272-GHz CMOS Analog BPSK/QPSK Demodulator for IEEE 802.15.3d.
ESSCIRC
Sangyeop Lee, Shinsuke Hara, Ruibing Dong, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2021 — conf
A 76-Gbit/s 265-GHz CMOS Receiver.
A-SSCC
Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Kyoya Takano, Naoya Toshida, Satoru Tanoi, Tatsuo Hagino, Mohamed H. Mubarak, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu, Kunio Sakakibara, Shunichi Kubo, Satoshi Miura, Yohtaro Umeda, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2021 — conf
Session 23 Overview: THz Circuits and Front-Ends Rf Subcommittee.
ISSCC
Swaminathan Sankaran, Patrick Reynaert, Shuhei Amakawa
2019 J jnl
An 80-Gb/s 300-GHz-Band Single-Chip CMOS Transceiver.
IEEE J. Solid State Circuits
Sangyeop Lee, Shinsuke Hara, Takeshi Yoshida, Shuhei Amakawa, Ruibing Dong, Akifumi Kasamatsu, Junji Sato, Minoru Fujishima
2019 — conf
An 80Gb/s 300GHz-Band Single-Chip CMOS Transceiver.
ISSCC
Sangyeop Lee, Ruibing Dong, Takeshi Yoshida, Shuhei Amakawa, Shinsuke Hara, Akifumi Kasamatsu, Junji Sato, Minoru Fujishima
2019 C conf
Wideband Power-Line Decoupling Technique for Millimeter-Wave CMOS Integrated Circuits.
ISCAS
Shuhei Amakawa, Minoru Fujishima
2018 — conf
300-GHz CMOS transmitter module with built-in waveguide transition on a multilayered glass epoxy PCB.
RWS
Kyoya Takano, Kosuke Katayama, Shinsuke Hara, Ruibing Dong, Koichi Mizuno, Kazuaki Takahashi, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2018 J jnl
32-Gbit/s CMOS Receivers in 300-GHz Band.
IEICE Trans. Electron.
Shinsuke Hara, Kosuke Katayama, Kyoya Takano, Ruibing Dong, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2018 — conf
A 37-GHz-Input Divide-by-36 Injection-Locked Frequency Divider with 1.6-GHz Lock Range.
A-SSCC
Sangyeop Lee, Kyoya Takano, Ruibing Dong, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima
2017 — conf
17.9 A 105Gb/s 300GHz CMOS transmitter.
ISSCC
Kyoya Takano, Shuhei Amakawa, Kosuke Katayama, Shinsuke Hara, Ruibing Dong, Akifumi Kasamatsu, Iwao Hosako, Koichi Mizuno, Kazuaki Takahashi, Takeshi Yoshida, Minoru Fujishima
2017 J jnl
Integrated-Circuit Approaches to THz Communications: Challenges, Advances, and Future Prospects.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Minoru Fujishima, Shuhei Amakawa
2016 — conf
20.1 A 300GHz 40nm CMOS transmitter with 32-QAM 17.5Gb/s/ch capability over 6 channels.
ISSCC
Kosuke Katayama, Kyoya Takano, Shuhei Amakawa, Shinsuke Hara, Akifumi Kasamatsu, Koichi Mizuno, Kazuaki Takahashi, Takeshi Yoshida, Minoru Fujishima
2016 J jnl
A 300 GHz CMOS Transmitter With 32-QAM 17.5 Gb/s/ch Capability Over Six Channels.
IEEE J. Solid State Circuits
Kosuke Katayama, Kyoya Takano, Shuhei Amakawa, Shinsuke Hara, Akifumi Kasamatsu, Koichi Mizuno, Kazuaki Takahashi, Takeshi Yoshida, Minoru Fujishima
2016 J jnl
Compact 141-GHz Differential Amplifier with 20-dB Peak Gain and 22-GHz 3-dB Bandwidth.
IEICE Trans. Electron.
Shinsuke Hara, Kosuke Katayama, Kyoya Takano, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2016 J jnl
Scattered Reflections on Scattering Parameters - Demystifying Complex-Referenced S Parameters -.
IEICE Trans. Electron.
Shuhei Amakawa
2015 — conf
124-GHz CMOS quadrature voltage-controlled oscillator with fundamental injection locking.
A-SSCC
Kyoya Takano, Kosuke Katayama, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
2015 J jnl
Recent progress and prospects of terahertz CMOS.
IEICE Electron. Express
Minoru Fujishima, Shuhei Amakawa
2015 J jnl
Tehrahertz CMOS Design for Low-Power and High-Speed Wireless Communication.
IEICE Trans. Electron.
Minoru Fujishima, Shuhei Amakawa, Kyoya Takano, Kosuke Katayama, Takeshi Yoshida
2014 J jnl
E-Band 65nm CMOS Low-Noise Amplifier Design Using Gain-Boost Technique.
IEICE Trans. Electron.
Kosuke Katayama, Mizuki Motoyoshi, Kyoya Takano, Chen Yang Li, Shuhei Amakawa, Minoru Fujishima
2013 J jnl
Modeling of Short-Millimeter-Wave CMOS Transmission Line with Lossy Dielectrics with Specific Absorption Spectrum.
IEICE Trans. Electron.
Kyoya Takano, Shuhei Amakawa, Kosuke Katayama, Mizuki Motoyoshi, Minoru Fujishima
2012 J jnl
RF signal generator using time domain harmonic suppression technique in 90nm CMOS.
IEICE Electron. Express
Kazuo Nakano, Shuhei Amakawa, Noboru Ishihara, Kazuya Masu
2011 J jnl
RF CMOS Integrated Circuit: History, Current Status and Future Prospects.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Noboru Ishihara, Shuhei Amakawa, Kazuya Masu
2010 J jnl
A Universal Equivalent Circuit Model for Ceramic Capacitors.
IEICE Trans. Electron.
Koh Yamanaga, Shuhei Amakawa, Kazuya Masu, Takashi Sato
2010 J jnl
Wide-band, high linear low noise amplifier design in 0.18um CMOS technology.
IEICE Electron. Express
Mousa M. Othman, Shuhei Amakawa, Noboru Ishihara, Kazuya Masu
2009 — conf
A low-phase-noise injection-locked differential ring-VCO with half-integral subharmonic locking in 0.18 µm CMOS.
ESSCIRC
Yuka Kobayashi, Shuhei Amakawa, Noboru Ishihara, Kazuya Masu
2009 — conf
Design of CMOS inverter-based output buffers adapting the cherry-hooper broadbanding technique.
ECCTD
Tomoaki Maekawa, Shuhei Amakawa, Noboru Ishihara, Kazuya Masu
2009 J jnl
Physical design challenges to nano-CMOS circuits.
IEICE Electron. Express
Kazuya Masu, Noboru Ishihara, Noriaki Nakayama, Takashi Sato, Shuhei Amakawa
2008 J jnl
Layout-Aware Compact Model of MOSFET Characteristics Variations Induced by STI Stress.
IEICE Trans. Electron.
Kenta Yamada, Takashi Sato, Shuhei Amakawa, Noriaki Nakayama, Kazuya Masu, Shigetaka Kumashiro
2007 — conf
A MOS Transistor-Array for Accurate Measurement of Subthreshold Leakage Variation.
ISQED
Takashi Sato, Takumi Uezono, Shiho Hagiwara, Kenichi Okada, Shuhei Amakawa, Noriaki Nakayama, Kazuya Masu
2007 — conf
Adaptable wire-length distribution with tunable occupation probability.
SLIP
Shuhei Amakawa, Takumi Uezono, Takashi Sato, Kenichi Okada, Kazuya Masu