Mototsugu HAMADA

Transmission Line Coupler: High-Speed Interface for Non-Contact Connecter
Mototsugu HAMADA Tadahiro KURODA 
Publication:   
Publication Date: 2019/07/01
Vol. E102-C  No. 7  pp. 501-508
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
transmission line coupler, non-contact connecter, interface, transceiver, 
 Summary | Full Text:PDF(4.4MB)
Optimization of Resonant Capacitance in Wireless Power Transfer System with 3-D Stacked Two Receivers
Shusuke YANAGAWA Ryota SHIMIZU Mototsugu HAMADA Toru SHIMIZU Tadahiro KURODA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 488-492
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
wireless power transfer, multiple receivers, efficiency, crosstalk, 
 Summary | Full Text:PDF(611.6KB)
A-104 dBc/Hz In-Band Phase Noise 3 GHz All Digital PLL with Phase Interpolation Based Hierarchical Time to Digital Converter
Daisuke MIYASHITA Hiroyuki KOBAYASHI Jun DEGUCHI Shouhei KOUSAI Mototsugu HAMADA Ryuichi FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1008-1016
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
ADPLL, TDC, phase interpolator, phase noise, 
 Summary | Full Text:PDF(2.8MB)
A Low-Noise and Highly-Linear Transmitter with Envelope Injection Pre-Power Amplifier for Multi-Mode Radio
Shouhei KOUSAI Daisuke MIYASHITA Junji WADATSUMI Rui ITO Takahiro SEKIGUCHI Mototsugu HAMADA Kenichi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 592-602
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
multi-mode radio, wideband transmitter, active matching, envelope injection, 
 Summary | Full Text:PDF(2.1MB)
A 0.13 µm CMOS Bluetooth EDR Transceiver with High Sensitivity over Wide Temperature Range and Immunity to Process Variation
Kenichi AGAWA Shinichiro ISHIZUKA Hideaki MAJIMA Hiroyuki KOBAYASHI Masayuki KOIZUMI Takeshi NAGANO Makoto ARAI Yutaka SHIMIZU Asuka MAKI Go URAKAWA Tadashi TERADA Nobuyuki ITOH Mototsugu HAMADA Fumie FUJII Tadamasa KATO Sadayuki YOSHITOMI Nobuaki OTSUKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 803-811
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
CMOS wireless transceiver, Bluetooth, sensitivity, temperature compensation, phase noise, VCO pulling, MOS switch, leakage current, 
 Summary | Full Text:PDF(2.7MB)
A Novel Automatic Quality Factor Tuning Scheme for a Low-Power Wideband Active-RC Filter
Shouhei KOUSAI Mototsugu HAMADA Rui ITO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 411-420
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
active-RC, LPF, quality factor tuning, 
 Summary | Full Text:PDF(1.6MB)
Module-Wise Dynamic Voltage and Frequency Scaling for a 90 nm H.264/MPEG-4 Codec LSI
Yukihito OOWAKI Shinichiro SHIRATAKE Toshihide FUJIYOSHI Mototsugu HAMADA Fumitoshi HATORI Masami MURAKATA Masafumi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 263-270
Type of Manuscript:  INVITED PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: 
Keyword: 
dynamic voltage/frequency scaling, system LSI, H.264, MPEG-4, A/V codec LSI, multimedia chip, 
 Summary | Full Text:PDF(942.6KB)
A Full-CMOS Single Chip Bluetooth LSI with 1.5 MHz-IF Receiver and Direct Modulation Transmitter
Fumitoshi HATORI Hiroki ISHIKURO Mototsugu HAMADA Ken-ichi AGAWA Shouhei KOUSAI Hiroyuki KOBAYASHI Duc Minh NGUYEN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 556-562
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
Bluetooth, wireless communication, CMOS transceiver, low-IF, direct modulation, low power, 
 Summary | Full Text:PDF(917.8KB)