Takao WAHO


FOREWORD
Takao WAHO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/09/01
Vol. E97-D  No. 9  pp. 2217-2217
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(70.3KB)

An Energy-Efficient ΔΣ Modulator Using Dynamic-Common-Source Integrators
Ryo MATSUSHIBA Hiroaki KOTANI Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/05/01
Vol. E97-C  No. 5  pp. 438-443
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: 
Keyword: 
ΔΣ modulatordata converterlow poweranalog circuitdynamic circuit
 Summary | Full Text:PDF(1.2MB)

InAs Nanowire Circuits Fabricated by Field-Assisted Self-Assembly on a Host Substrate
Kai BLEKKER Rene RICHTER Ryosuke ODA Satoshi TANIYAMA Oliver BENNER Gregor KELLER Benjamin MUNSTERMANN Andrey LYSOV Ingo REGOLIN Takao WAHO Werner PROST 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/08/01
Vol. E95-C  No. 8  pp. 1369-1375
Type of Manuscript:  Special Section PAPER (Special Section on Heterostructure Microelectronics with TWHM 2011)
Category: Emerging Devices
Keyword: 
InAsnanowirefield-effect transistorself-assemblydigital circuit
 Summary | Full Text:PDF(1.3MB)

A Dynamic Source-Follower Integrator and Its Application to ΔΣ Modulators
Ryoto YAGUCHI Fumiyuki ADACHI Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/05/01
Vol. E94-C  No. 5  pp. 802-806
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: 
Keyword: 
switched-capacitorintegratoranalog-to-digital converterdelta-sigma modulator
 Summary | Full Text:PDF(509.4KB)

FOREWORD
Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/07/01
Vol. E91-C  No. 7  pp. 983-983
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(59.4KB)

A Design of HEMT Comparators for Ultrahigh-Speed A/D Conversion
Hiroshi WATANABE Shunsuke NAKAMURA Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/05/01
Vol. E91-C  No. 5  pp. 688-692
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: 
Keyword: 
comparatorD-latchHEMTanalog-to-digital converter
 Summary | Full Text:PDF(347.4KB)

FOREWORD
Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 915-916
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(64.2KB)

A Design of Continuous-Time Delta-Sigma Modulators Using a Fully-Differential Resonant-Tunneling Comparator
Keisuke EGUCHI Masaru CHIBASHI Shinpei NAKAGAWA Mitsuhiro TANIHATA Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/07/01
Vol. E89-C  No. 7  pp. 979-984
Type of Manuscript:  Special Section PAPER (Special Section on Heterostructure Microelectronics with TWHM2005)
Category: THz Devices
Keyword: 
resonant-tunnelingdelta-sigmacontinuous-timebandpasscomparator
 Summary | Full Text:PDF(664.2KB)

Novel 4RTD Logic Circuits
Hideaki YAMADA Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 699-704
Type of Manuscript:  Special Section PAPER (Special Section on Fundamental and Application of Advanced Semiconductor Devices)
Category: Nanomaterials and Quantum-Effect Devices
Keyword: 
RTDcurrent-modeultrahigh-speed operation
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Design of Flash Analog-to-Digital Converters Using Resonant-Tunneling Circuits
Yuuki TSUJI Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1863-1868
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
resonant-tunneling diodeflash analog-to-digital converterHEMTInPmulti-input gate
 Summary | Full Text:PDF(632KB)

An Ultrahigh-Speed Resonant-Tunneling Analog-to-Digital Converter
Kazufumi HATTORI Yuuji TAKAMATSU Takao WAHO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 586-591
Type of Manuscript:  Special Section PAPER (Special Issue on Signals, Systems and Electronics Technology)
Category: Circuit
Keyword: 
resonant-tunnelingquantizeranalog-to-digital convertercompound semiconductor
 Summary | Full Text:PDF(457.3KB)

10-GHz Operation of Multiple-Valued Quantizers Using Resonant-Tunneling Devices
Toshihiro ITOH Takao WAHO Koichi MAEZAWA Masafumi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/05/25
Vol. E82-D  No. 5  pp. 949-954
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple-Valued Logic and Its Applications)
Category: Circuits
Keyword: 
resonant tunneling diodeHEMTmultiple-valued logicnegative differential resistance
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Device Technology for Monolithic Integration of InP-Based Resonant Tunneling Diodes and HEMTs
Kevin Jing CHEN Koichi MAEZAWA Takao WAHO Masafumi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/11/25
Vol. E79-C  No. 11  pp. 1515-1524
Type of Manuscript:  Special Section PAPER (Special Issue on Quantum Effect Devices and Their Fabrication Technologies)
Category: 
Keyword: 
RTDHEMTnegative differential resistancenegative transconductancequantum functional devices
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Experimental Fabrication of Josephson Integrated Circuits
Hajime YAMADA Kenichi KURODA Takao WAHO Akira ISHIDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/11/25
Vol. E62-E  No. 11  pp. 749-753
Type of Manuscript:  PAPER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(343.5KB)