Shuhei AMAKAWA


32-Gbit/s CMOS Receivers in 300-GHz Band
Shinsuke HARA Kosuke KATAYAMA Kyoya TAKANO Ruibing DONG Issei WATANABE Norihiko SEKINE Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 464-471
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
ReceiverCMOS integrated circuitsterahertzfrequency conversion mixersfrequency multipliersamplifiersquadrature amplitude modulation
 Summary | Full Text:PDF

Integrated-Circuit Approaches to THz Communications: Challenges, Advances, and Future Prospects
Minoru FUJISHIMA Shuhei AMAKAWA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-A  No. 2  pp. 516-523
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
terahertzwireless communicationsintegrated circuits
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Compact 141-GHz Differential Amplifier with 20-dB Peak Gain and 22-GHz 3-dB Bandwidth
Shinsuke HARA Kosuke KATAYAMA Kyoya TAKANO Issei WATANABE Norihiko SEKINE Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1156-1163
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
millimeter wave circuitsCMOS processamplifiersfrequency estimation
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Scattered Reflections on Scattering Parameters — Demystifying Complex-Referenced S Parameters —
Shuhei AMAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1100-1112
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
S parametersreflection coefficienttransmission coefficienttraveling wavespseudo wavespower wavesreference impedancerenormalization transformation
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Tehrahertz CMOS Design for Low-Power and High-Speed Wireless Communication
Minoru FUJISHIMA Shuhei AMAKAWA Kyoya TAKANO Kosuke KATAYAMA Takeshi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1091-1104
Type of Manuscript:  INVITED PAPER (Special Section on Terahertz Waves Coming to the Real World)
Category: 
Keyword: 
high-frequency circuit designCMOSmillimeter waveterahertz
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E-Band 65nm CMOS Low-Noise Amplifier Design Using Gain-Boost Technique
Kosuke KATAYAMA Mizuki MOTOYOSHI Kyoya TAKANO Chen Yang LI Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/06/01
Vol. E97-C  No. 6  pp. 476-485
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
body biascoupled resonatordevice modelingE-band communicationmillimeter waveoptimizer
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Modeling of Short-Millimeter-Wave CMOS Transmission Line with Lossy Dielectrics with Specific Absorption Spectrum
Kyoya TAKANO Shuhei AMAKAWA Kosuke KATAYAMA Mizuki MOTOYOSHI Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1311-1318
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
CMOSlossy dielectricsmodelingshort-millimeter wavetransmission line
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RF CMOS Integrated Circuit: History, Current Status and Future Prospects
Noboru ISHIHARA Shuhei AMAKAWA Kazuya MASU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 556-567
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
RFCMOStransceiverintegrated circuitMEMSfuture
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A Universal Equivalent Circuit Model for Ceramic Capacitors
Koh YAMANAGA Shuhei AMAKAWA Kazuya MASU Takashi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/03/01
Vol. E93-C  No. 3  pp. 347-354
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
ceramic capacitormoment methodequivalent circuitinductance
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Layout-Aware Compact Model of MOSFET Characteristics Variations Induced by STI Stress
Kenta YAMADA Takashi SATO Shuhei AMAKAWA Noriaki NAKAYAMA Kazuya MASU Shigetaka KUMASHIRO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/07/01
Vol. E91-C  No. 7  pp. 1142-1150
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
STIstressmodelingSPICElayout-aware
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Single-Electron Circuit Simulation
Shuhei AMAKAWA Hideaki MAJIMA Hironobu FUKUI Minoru FUJISHIMA Koichiro HOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/01/25
Vol. E81-C  No. 1  pp. 21-29
Type of Manuscript:  Special Section PAPER (Special Issue on Technology Challenges for Single Electron Devices)
Category: 
Keyword: 
Coulomb blockade of tunnelingmaster equationMonte Carlo methodSETSPICE
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Proposal of a Schottky-Barrier SET Aiming at a Future Integrated Device
Minoru FUJISHIMA Hironobu FUKUI Shuhei AMAKAWA Koichiro HOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/07/25
Vol. E80-C  No. 7  pp. 881-885
Type of Manuscript:  Special Section PAPER (Special Issue on New Concept Device and Novel Architecture LSIs)
Category: Quantum Devices
Keyword: 
short channel devicesingle electronCoulomb blockade
 Summary | Full Text:PDF