Nobukazu Takai

Publication Activity (10 Years)

Years Active: 1998-2020
Publications (10 Years): 16

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Publications

Akihiro Saito, Nobukazu Takai, Satoshi Konno
Determination of circuit topology and element values from desired characteristics by machine learning. ICECS (2020)
Nobukazu Takai, Masafumi Fukuda, Masahiro Saruta
Self-improvement of OPAmp parameters using Q-Learning. SMACD (2019)
Takayuki Arai, Natsuko Miki, Yifei Sun, Nobukazu Takai
Output Voltage Ripple Compensation for Switching Power Supply in EMI Reduction Method with Theoretical Analysis. ISPACS (2018)
Teruki Matsuba, Nobukazu Takai, Masafumi Fukuda, Yusuke Kubo
Inference of Suitable for Required Specification Analog Circuit Topology using Deep Learning. ISPACS (2018)
Tsukasa Ishii, Nobukazu Takai, Masafumi Fukuda
Automatic design of the analog integrated circuit based on Equation-Based and Characterize results. ISPACS (2017)
Manimel Wadu Sahan Dulara, Nobukazu Tsukiji, Yasunori Kobori, Koyo Asaishi, Nobukazu Takai, Haruo Kobayashi
Delay-time suppression technique for DC/DC buck converter using voltage mode PWM control. ISPACS (2017)
Yasunori Kobori, Nobukazu Tsukiji, Takuya Arafune, Manimel Wadu Sahan, Dulara Yifei Sun, Nobukazu Takai, Haruo Kobayashi
Noise spread spectrum with adjustable notch frequency in complex pulse coding controlled DC-DC converters. ISPACS (2017)
Kento Suzuki, Nobukazu Takai, Yoshiki Sugawara, Masato Kato
Automatic Design of Operational Amplifier Utilizing both Equation-Based Method and Genetic Algorithm. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2017)
Masafumi Fukuda, Tsukasa Ishii, Nobukazu Takai
OP-AMP sizing by inference of element values using machine learning. ISPACS (2017)
Natsuko Miki, Nobukazu Tsukiji, Koyo Asaishi, Yasunori Kobori, Nobukazu Takai, Hamo Kobayashi
EMI reduction technique with noise spread spectrum using swept frequency modulation for hysteretic DC-DC converters. ISPACS (2017)
Nobukazu Takai, Yoshiki Sugawara, Kento Suzuki, Takayuki Negishi, Hiroaki Seki, Masato Kato
Automatic design of RC polyphase filters with small element value spread using genetic algorithm. ISPACS (2015)
Yoshiki Sunaga, Naoya Shiraishi, Koyo Asaishi, Nobukazu Tsukiji, Yasunori Kobori, Nobukazu Takai, Haruo Kobayashi
High efficiency single-inductor dual-output DC-DC converter with ZVS-PWM control. ASICON (2015)
Yoshiki Sugawara, Nobukazu Takai, Masato Kato, Hiroaki Seki, Kento Suzuki, Haruo Kobayashi
Automatic design of doubly-terminated RC polyphase filters by using distributed genetic algorithm. ASICON (2015)
Yasunori Kobori, Takuya Arafune, Nobukazu Tsukiji, Nobukazu Takai, Haruo Kobayashi
Selectable notch frequencies of EMI spread spectrum using pulse modulation in switching converter. ASICON (2015)
Kento Suzuki, Nobukazu Takai, Masato Kato, Hiroaki Seki, Yoshiki Sugawara, Haruo Kobayashi
Comparator circuits automation by combination of distributed genetic algorithm and HSPICE optimization. ASICON (2015)
Yasunori Kobori, Taifeng Wang, Nobukazu Tsukiji, Nobukazu Takai, Haruo Kobayashi
EMI reduction by analog noise spread spectrum in new ripple controlled converter. ASICON (2015)
Kentaroh Katoh, Yuta Doi, Satoshi Ito, Haruo Kobayashi, Ensi Li, Nobukazu Takai
An Analysis of Stochastic Self-Calibration of TDC Using Two Ring Oscillators. Asian Test Symposium (2013)
Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Daiki Hirabayashi, Yuta Arakawa, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuji Yano, Tatsuhiro Gake, Takahiro J. Yamaguchi, Nobukazu Takai
Multi-bit Sigma-Delta TDC Architecture with Improved Linearity. J. Electron. Test. 29 (6) (2013)
Yasunori Kobori, Qiulin Zhu, Murong Li, Feng Zhao, Zachary Nosker, Shu Wu, Shaiful N. Mohyar, Masanori Onozawa, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda, Asahi Kasei
Single inductor dual output DC-DC converter design with exclusive control. APCCAS (2012)
Hong Gao, Lin Xing, Yasunori Kobori, Feng Zhao, Haruo Kobayashi, Shyunsuke Miwa, Atsushi Motozawa, Zachary Nosker, Kiichi Niitsu, Nobukazu Takai, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda
DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control. APCCAS (2012)
Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuta Arakawa, Daiki Hirabayashi, Yuji Yano, Tatsuhiro Gake, Nobukazu Takai, Takahiro J. Yamaguchi
Multi-bit sigma-delta TDC architecture with self-calibration. APCCAS (2012)
Guanglei Jin, Hao Chen, Chuan Gao, Yunpeng Zhang, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Khayrollah Hadidi
Digitally-controlled Gm-C bandpass filter. APCCAS (2012)
Tomohiko Ogawa, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Satoshi Ito, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu
Design for Testability That Reduces Linearity Testing Time of SAR ADCs. IEICE Trans. Electron. (6) (2011)
Kenji Takahashi, Hajime Yokoo, Shyunsuke Miwa, Kengo Tsushida, Hiroyuki Iwase, Kazuki Murakami, Nobukazu Takai, Haruo Kobayashi, Takahiro Odaguchi, Shigeki Takayama, Isao Fukai, Jun-Ichi Matsuda
Single inductor DC-DC converter with bipolar outputs using charge pump. APCCAS (2010)
Tomohiko Ogawa, Haruo Kobayashi, Yohei Tan, Satoshi Ito, Satoshi Uemori, Nobukazu Takai, Kiichi Niitsu, Takahiro J. Yamaguchi, Tatsuji Matsuura, Nobuyoshi Ishikawa
SAR ADC that is configurable to optimize yield. APCCAS (2010)
Tomohiko Ogawa, Haruo Kobayashi, Yosuke Takahashi, Nobukazu Takai, Masao Hotta, Hao San, Tatsuji Matsuura, Akira Abe, Katsuyoshi Yagi, Toshihiko Mori
SAR ADC Algorithm with Redundancy and Digital Error Correction. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2010)
Tomohiko Ogawa, Tatsuji Matsuura, Haruo Kobayashi, Nobukazu Takai, Masao Hotta, Hao San, Akira Abe, Katsuyoshi Yagi, Toshihiko Mori
Non-binary SAR ADC with digital error correction for low power applications. APCCAS (2010)
Satoshi Uemori, Takahiro J. Yamaguchi, Satoshi Ito, Yohei Tan, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Nobuyoshi Ishikawa
ADC linearity test signal generation algorithm. APCCAS (2010)
Satoshi Ito, Shigeyuki Nishimura, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu
Stochastic TDC architecture with self-calibration. APCCAS (2010)
Kazuya Shimizu, Masato Kaneta, HaiJun Lin, Haruo Kobayashi, Nobukazu Takai, Masao Hotta
A Time-to-Digital Converter with small circuitry. ASP-DAC (2009)
Nobukazu Takai, Yukihiro Fujimura
Steep Down-Slope Sawtooth Wave Generator Utilizing Two Triangluar Waves Exclusively. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2009)
Ibuki Mori, Yoshihisa Yamada, Santhos A. Wibowo, Masashi Kono, Haruo Kobayashi, Yukihiro Fujimura, Nobukazu Takai, Toshio Sugiyama, Isao Fukai, Norihisa Onishi, Ichiro Takeda, Jun-Ichi Matsuda
EMI Reduction by Spread-Spectrum Clocking in Digitally-Controlled DC-DC Converters. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2009)
Tomohiko Ogawa, Haruo Kobayashi, Masao Hotta, Yosuke Takahashi, Hao San, Nobukazu Takai
SAR ADC algorithm with redundancy. APCCAS (2008)
Akihiro Kanbe, Masato Kaneta, Fuminori Yui, Haruo Kobayashi, Nobukazu Takai, Tatsuhiro Shimura, Hitoshi Hirata, Kentarou Yamagishi
New architecture for envelope-tracking power amplifier for base station. APCCAS (2008)
Nobukazu Takai, Yukihiro Fujimura
Compensation method of amplitude error in sawtooth wave generator. ECCTD (2007)
Nobukazu Takai, Shinji Nomura
Rail-to-rail OTA utilizing linear V-I conversion circuit using single channel MOSFETs for input stage. ECCTD (2005)
Nobukazu Takai, Shigetaka Takagi, Nobuo Fujii
Rail-to-Rail OTA Based on Signal Decomposition. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2005)
Nobukazu Takai, Keigo Kawai
Rail-to-Rail OTA Utilizing Linear V-I Conversion Circuit Whose Input Stage is Composed of Single Channel MOSFETs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2005)
Nobukazu Takai, Nobuo Fujii
GaAs MESFET multi-output current mirrors and their application to high frequency filters. ICECS (1998)