Hiroki ISHIKURO


A 24 mW 5.7 Gbps Dual Frequency Conversion Demodulator for Impulse Radio with the First Sidelobe
Kaoru KOHIRA Naoki KITAZAWA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1164-1173
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
clock recoveryimpulse radioUWBsidelobe
 Summary | Full Text:PDF

A 12.5Gbps CDR with Differential to Common Converting Edge Detector for the Wired and Wireless Serial Link
Kaoru KOHIRA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/04/01
Vol. E99-C  No. 4  pp. 458-465
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
CDRinjection lockingedge detectorshigh speed
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An Adaptive DAC Settling Waiting Time Optimized Ultra Low Voltage Asynchronous SAR ADC in 40 nm CMOS
Ryota SEKIMOTO Akira SHIKATA Kentaro YOSHIOKA Tadahiro KURODA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 820-827
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
ADCSARultra low powerasynchronous
 Summary | Full Text:PDF

A 4–10 bit, 0.4–1 V Power Supply, Power Scalable Asynchronous SAR-ADC in 40 nm-CMOS with Wide Supply Voltage Range SAR Controller
Akira SHIKATA Ryota SEKIMOTO Kentaro YOSHIOKA Tadahiro KURODA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/02/01
Vol. E96-A  No. 2  pp. 443-452
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog-to-digital convertersuccessive approximationasynchronousdifferential flip-flop
 Summary | Full Text:PDF

6 W/25 mm2 Wireless Power Transmission for Non-contact Wafer-Level Testing
Andrzej RADECKI Hayun CHUNG Yoichi YOSHIDA Noriyuki MIURA Tsunaaki SHIDEI Hiroki ISHIKURO Tadahiro KURODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 668-676
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design – Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
inductive couplinginductive power transferwafer-level testing
 Summary | Full Text:PDF

High-Frequency Precise Characterization of Intrinsic FinFET Channel
Hideo SAKAI Shinichi O'UCHI Takashi MATSUKAWA Kazuhiko ENDO Yongxun LIU Junichi TSUKADA Yuki ISHIKAWA Tadashi NAKAGAWA Toshihiro SEKIGAWA Hanpei KOIKE Kunihiro SAKAMOTO Meishoku MASAHARA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 752-760
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
FinFETSOIDe-embeddingRFdevice modeling
 Summary | Full Text:PDF

A 4-Gbps Quasi-Millimeter-Wave Transmitter in 65 nm CMOS and a Fast Carrier and Symbol Timing Recovery Scheme
Vishal V. KULKARNI Hiroki ISHIKURO Tadahiro KURODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 120-127
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
wirelessCMOSultra-widebandtransceiverquasi-millimeter-wavelow-power
 Summary | Full Text:PDF

Constant Magnetic Field Scaling in Inductive-Coupling Data Link
Daisuke MIZOGUCHI Noriyuki MIURA Hiroki ISHIKURO Tadahiro KURODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/02/01
Vol. E91-C  No. 2  pp. 200-205
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
inductive couplingconstant magnetic fieldlow powerhigh data rateSiP
 Summary | Full Text:PDF

An Outside-Rail Opamp Design Relaxing Low-Voltage Constraint on Future Scaled Transistors
Koichi ISHIDA Atit TAMTRAKARN Hiroki ISHIKURO Makoto TAKAMIYA Takayasu SAKURAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/04/01
Vol. E90-C  No. 4  pp. 786-792
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power, High-Speed LSIs and Related Technologies)
Category: Analog and Communications
Keyword: 
outside-railopampscaling
 Summary | Full Text:PDF

A 2.4-GHz Temperature-Compensated CMOS LC-VCO for Low Frequency Drift Low-Power Direct-Modulation GFSK Transmitters
Toru TANZAWA Kenichi AGAWA Hiroyuki SHIBAYAMA Ryota TERAUCHI Katsumi HISANO Hiroki ISHIKURO Shouhei KOUSAI Hiroyuki KOBAYASHI Hideaki MAJIMA Toru TAKAYAMA Masayuki KOIZUMI Fumitoshi HATORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 490-495
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Analog
Keyword: 
GFSKCMOS LC-VCOBluetoothdirect modulationlow power
 Summary | Full Text:PDF

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: 
Bluetoothwireless communicationCMOS transceiverlow-IFdirect modulationlow power
 Summary | Full Text:PDF