Koji Obata

发表

A 97.99 dB SNDR, 2 kHz BW, 37.1 µW noise-shaping SAR ADC with dynamic element matching and modulation dither effect

Koji Obata, Kazuo Matsukawa, Takuji Miki, 2016, 2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits).

A thin-film microprocessor with inkjet print-programmable memory

Wim Dehaene, Kris Myny, Koji Obata, 2014, Scientific Reports.

High power efficient and scalable noise-shaping SAR ADC for IoT sensors

Koji Obata, Kazuo Matsukawa, Yusuke Tsukamoto, 2016, 2016 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK).

C-8-12 Demonstration of SFQ Microprocessor data path to the Tornado Architecture

Kazuyoshi Takagi, Yoshiaki Takai, Yuki Yamanashi, 2006 .

A 69.8 dB SNDR 3rd-order Continuous Time Delta-Sigma Modulator with an Ultimate Low Power Tuning System for a Worldwide Digital TV-Receiver

Koji Obata, Kazuo Matsukawa, Shiro Dosho, 2010, IEEE Custom Integrated Circuits Conference 2010.

Design methods for pipeline & delta-sigma A-to-D converters with convex optimization

Takashi Morie, Akinori Matsumoto, Koji Obata, 2009, 2009 Asia and South Pacific Design Automation Conference.

A 10 MHz BW 50 fJ/conv. continuous time ΔΣ modulator with high-order single opamp integrator using optimization-based design method

Koji Obata, Kazuo Matsukawa, Shiro Dosho, 2012, 2012 Symposium on VLSI Circuits (VLSIC).

Logic Synthesis Method for Dual-Rail RSFQ Digital Circuits Using Root-Shared Binary Decision Diagrams

Kazuyoshi Takagi, Koji Obata, Naofumi Takagi, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

C-8-10 A High-Throughput SFQ Bit-Serial Floating-Point Multiplier Based on Systolic Architecture

Kazuyoshi Takagi, Koji Obata, Naofumi Takagi, 2007 .

A Method of Sequential Circuit Synthesis Using One-Hot Encoding for Single-Flux-Quantum Digital Circuits

Kazuyoshi Takagi, Koji Obata, Naofumi Takagi, 2007, IEICE Trans. Electron..

30.2 Digital PWM-driven AMOLED display on flex reducing static power consumption

Tim Ellis, Kris Myny, Koji Obata, 2014, 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC).

A Fifth-Order Continuous-Time Delta-Sigma

Akira Matsuzawa, Koji Obata, Kazuo Matsukawa, 2010 .

A 71dB-SNDR 50MS/s 4.2mW CMOS SAR ADC by SNR enhancement techniques utilizing noise

Takashi Morie, Koji Obata, Kazuo Matsukawa, 2013, 2013 IEEE International Solid-State Circuits Conference Digest of Technical Papers.

A Clock Scheduling Algorithm for High-Throughput RSFQ Digital Circuits

Kazuyoshi Takagi, Koji Obata, Naofumi Takagi, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A transduction-based framework to synthesize RSFQ circuits

Kazuyoshi Takagi, Koji Obata, Hideyuki Takada, 2006, Asia and South Pacific Conference on Design Automation, 2006..

Automated Passive-Transmission-Line Routing Tool for Single-Flux-Quantum Circuits Based on A* Algorithm

Kazuyoshi Takagi, Koji Obata, Yuki Ito, 2010, IEICE Trans. Electron..

A 5th-order delta-sigma modulator with single-opamp resonator

Akira Matsuzawa, Koji Obata, Kazuo Matsukawa, 2009, 2009 Symposium on VLSI Circuits.

Design Method of Dual-Rail RSFQ Logic Circuits Using 2×2-Join

Kazuyoshi Takagi, Koji Obata, Naofumi Takagi, 2005 .

Integrated Line Driver for Digital Pulse-Width Modulation Driven AMOLED Displays on Flex

Tim J. Ellis, Kris Myny, Koji Obata, 2015, IEEE Journal of Solid-State Circuits.

A Low Distortion 3rd-Order Continuous-Time Delta-Sigma Modulator for a Worldwide Digital TV-Receiver

Koji Obata, Kazuo Matsukawa, Shiro Dosho, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

An 800-MHz 8-bit high speed SAR ADC in 16nm FinFET process

Koji Obata, Koji Sushihara, Keisuke Okuno, 2017, 2017 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK).

A 4.2 mW 50 MS/s 13 bit CMOS SAR ADC With SNR and SFDR Enhancement Techniques

Takashi Morie, Koji Obata, Kazuo Matsukawa, 2015, IEEE Journal of Solid-State Circuits.

30.1 8b Thin-film microprocessor using a hybrid oxide-organic complementary technology with inkjet-printed P2ROM memory

Wim Dehaene, Kris Myny, Koji Obata, 2014, 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC).

A Fifth-Order Continuous-Time Delta-Sigma Modulator With Single-Opamp Resonator

Akira Matsuzawa, Koji Obata, Kazuo Matsukawa, 2010, IEEE Journal of Solid-State Circuits.

Flexible AMOLED display and gate-driver with self-aligned IGZO TFT on plastic foil

Kris Myny, Koji Obata, Steve Smout, 2014 .