Koji Obata

According to our database, Koji Obata authored at least 16 papers between 2006 and 2016.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2016

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, Yusuke Tsukamoto, Koji Sushihara

Proceedings of the 2016 IEEE Symposium on VLSI Circuits, 2016

2015

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

Takuji Miki, Takashi Morie, Kazuo Matsukawa, Yoji Bando, Takeshi Okumoto, Koji Obata, Shiro Sakiyama, Shiro Dosho

IEEE J. Solid State Circuits, 2015

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

Jan Genoe, Koji Obata, Marc Ameys, Kris Myny, Tung Huei Ke, Manoj Nag, Soeren Steudel, Sarah Schols, Joris Maas, Ashutosh Tripathi, Jan-Laurens P. J. van der Steen, Tim Ellis, Gerwin H. Gelinck, Paul Heremans

IEEE J. Solid State Circuits, 2015

2014

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

Kris Myny, Steve Smout, Maarten Rockele, Ajay Bhoolokam, Tung Huei Ke, Soeren Steudel, Koji Obata, B. M. Marín-Santibáñez, Duy-Vu Pham, Arne Hoppe, Aashini Gulati, F. Rodríguez González, Brian Cobb, Gerwin H. Gelinck, Jan Genoe, Wim Dehaene, Paul Heremans

Proceedings of the 2014 IEEE International Conference on Solid-State Circuits Conference, 2014

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

Jan Genoe, Koji Obata, Marc Ameys, Kris Myny, Tung Huei Ke, Manoj Nag, Soeren Steudel, Sarah Schols, Joris Maas, Ashutosh Tripathi, Jan-Laurens P. J. van der Steen, Tim J. Ellis, Gerwin H. Gelinck, Paul Heremans

Proceedings of the 2014 IEEE International Conference on Solid-State Circuits Conference, 2014

2013

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

Takashi Morie, Takuji Miki, Kazuo Matsukawa, Yoji Bando, Takeshi Okumoto, Koji Obata, Shiro Sakiyama, Shiro Dosho

Proceedings of the 2013 IEEE International Solid-State Circuits Conference, 2013

2012

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

Koji Obata, Kazuo Matsukawa, Yosuke Mitani, Masao Takayama, Yusuke Tokunaga, Shiro Sakiyama, Shiro Dosho

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

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

Kazuo Matsukawa, Koji Obata, Yosuke Mitani, Shiro Dosho

Proceedings of the Symposium on VLSI Circuits, 2012

2010

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

Kazuo Matsukawa, Yosuke Mitani, Masao Takayama, Koji Obata, Shiro Dosho, Akira Matsuzawa

IEEE J. Solid State Circuits, 2010

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

Masamitsu Tanaka, Koji Obata, Yuki Ito, Shota Takeshima, Motoki Sato, Kazuyoshi Takagi, Naofumi Takagi, Hiroyuki Akaike, Akira Fujimaki

IEICE Trans. Electron., 2010

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

Kazuo Matsukawa, Yosuke Mitani, Masao Takayama, Koji Obata, Yusuke Tokunaga, Shiro Sakiyama, Shiro Dosho

Proceedings of the IEEE Custom Integrated Circuits Conference, 2010

2009

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

Kazuo Matsukawa, Takashi Morie, Yusuke Tokunaga, Shiro Sakiyama, Yosuke Mitani, Masao Takayama, Takuji Miki, Akinori Matsumoto, Koji Obata, Shiro Dosho

Proceedings of the 14th Asia South Pacific Design Automation Conference, 2009

2008

A Clock Scheduling Algorithm for High-Throughput RSFQ Digital Circuits.

Koji Obata, Kazuyoshi Takagi, Naofumi Takagi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

2007

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

Koji Obata, Kazuyoshi Takagi, Naofumi Takagi

IEICE Trans. Electron., 2007

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

Koji Obata, Kazuyoshi Takagi, Naofumi Takagi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

2006

A transduction-based framework to synthesize RSFQ circuits.

Shigeru Yamashita, Katsunori Tanaka, Hideyuki Takada, Koji Obata, Kazuyoshi Takagi

Proceedings of the 2006 Conference on Asia South Pacific Design Automation: ASP-DAC 2006, 2006