Kiichi NIITSU


Design and Calibration of a Small-Footprint, Low-Frequency, and Low-Power Gate Leakage Timer Using Differential Leakage Technique
Yuya NISHIO Atsuki KOBAYASHI Kiichi NIITSU 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 269-275
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
biosensorCMOShealthcare IoTlow-power techniquesupply sensing
 Summary | Full Text:PDF(1.2MB)

Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation
Yuuki YAMAJI Kazuo NAKAZATO Kiichi NIITSU 
Publication:   
Publication Date: 2017/06/01
Vol. E100-C  No. 6  pp. 592-596
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
CMOSelectrophoresisµ-TASsample/hold circuitelectroless gold plating
 Summary | Full Text:PDF(1.1MB)

Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array
Kei IKEDA Atsuki KOBAYASHI Kazuo NAKAZATO Kiichi NIITSU 
Publication:   
Publication Date: 2017/06/01
Vol. E100-C  No. 6  pp. 597-601
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
bioimagingtime-domaincurrent-mode
 Summary | Full Text:PDF(1.2MB)

A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting
Kohei GAMO Kazuo NAKAZATO Kiichi NIITSU 
Publication:   
Publication Date: 2017/06/01
Vol. E100-C  No. 6  pp. 602-606
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
amperometrymicroelectrode arrayelectroless platingpotentiostat
 Summary | Full Text:PDF(2MB)

Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array
Kiichi NIITSU Tsuyoshi KUNO Masayuki TAKIHI Kazuo NAKAZATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 663-666
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
MEACMOSanalog circuitamperometryelectrochemical sensor3D structure
 Summary | Full Text:PDF(590.3KB)

A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines
Kiichi NIITSU Naohiro HARIGAI Takahiro J. YAMAGUCHI Haruo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 920-922
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
time amplifierfeed-forwardCMOSintegrated circuitsdesign for testability
 Summary | Full Text:PDF(676.9KB)

Two-Tone Signal Generation for ADC Testing
Keisuke KATO Fumitaka ABE Kazuyuki WAKABAYASHI Chuan GAO Takafumi YAMADA Haruo KOBAYASHI Osamu KOBAYASHI Kiichi NIITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 850-858
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
ADC testingtwo-tone signalintermodulation distortionarbitrary waveform generatorΣΔ DACdigital pre-distortiondistortion shaping
 Summary | Full Text:PDF(5.2MB)

Design for Testability That Reduces Linearity Testing Time of SAR ADCs
Tomohiko OGAWA Haruo KOBAYASHI Satoshi UEMORI Yohei TAN Satoshi ITO Nobukazu TAKAI Takahiro J. YAMAGUCHI Kiichi NIITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 1061-1064
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
SAR ADCtestingDC linearitydesign for testabilitybuilt-in self-test
 Summary | Full Text:PDF(462.8KB)

Daisy Chain Transmitter for Power Reduction in Inductive-Coupling CMOS Link
Kiichi NIITSU Noriyuki MIURA Mari INOUE Yoshihiro NAKAGAWA Masamoto TAGO Masayuki MIZUNO Takayasu SAKURAI Tadahiro KURODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/04/01
Vol. E90-C  No. 4  pp. 829-835
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power, High-Speed LSIs and Related Technologies)
Category: Analog and Communications
Keyword: 
low powerdaisy chaininductive couplingwide bandwidth
 Summary | Full Text:PDF(1.7MB)