Study on maximum electric field modeling used for HCI induced degradation characteristic of LDMOS transistors. - Masashi Higashino; Hitoshi Aoki; Nobukazu Tsukiji; Masaki Kazumi; Takuya Totsuka; Haruo Kobayashi 001 (ASICON, 2015)

Selectable notch frequencies of EMI spread spectrum using pulse modulation in switching converter. - Yasunori Kobori; Takuya Arafune; Nobukazu Tsukiji; Nobukazu Takai; Haruo Kobayashi 001 (ASICON, 2015)

EMI reduction by analog noise spread spectrum in new ripple controlled converter. - Yasunori Kobori; Taifeng Wang; Nobukazu Tsukiji; Nobukazu Takai; Haruo Kobayashi 001 (ASICON, 2015)

High efficiency single-inductor dual-output DC-DC converter with ZVS-PWM control. - Yoshiki Sunaga; Naoya Shiraishi; Koyo Asaishi; Nobukazu Tsukiji; Yasunori Kobori; Nobukazu Takai; Haruo Kobayashi 001 (ASICON, 2015)

A study on HCI induced gate leakage current model used for reliability simulations in 90nm n-MOSFETs. - Nobukazu Tsukiji; Hitoshi Aoki; Masaki Kazumi; Takuya Totsuka; Masashi Higashino; Haruo Kobayashi 001 (ASICON, 2015)

Transient Response Improvement of DC-DC Buck Converter by a Slope Adjustable Triangular Wave Generator. - Shu Wu; Yasunori Kobori; Nobukazu Tsukiji; Haruo Kobayashi 001 (IEICE Trans. Commun., 2015)

Fundamental design tradeoff and performance limitation of electronic circuits based on uncertainty relationships. - Haruo Kobayashi 001; Isao Shimizu; Nobukazu Tsukiji; Miho Arai; Kazuyoshi Kubo; Hitoshi Aoki (ASICON, 2017)

SAR TDC Architecture with Self-Calibration Employing Trigger Circuit. - Yuki Ozawa; Takashi Ida; Richen Jiang; Shotaro Sakurai; Seiya Takigami; Nobukazu Tsukiji; Ryoji Shiota; Haruo Kobayashi 001 (ATS, 2017)

Delay-time suppression technique for DC/DC buck converter using voltage mode PWM control. - Manimel Wadu Sahan Dulara; Nobukazu Tsukiji; Yasunori Kobori; Koyo Asaishi; Nobukazu Takai; Haruo Kobayashi 001 (ISPACS, 2017)

Architecture of high performance successive approximation time digitizer. - Takashi Ida; Yuki Ozawa; Jiang Richen; Shotaro Sakurai; Seiya Takigami; Nobukazu Tsukiji; Hirotaka Arai; Ryoji Shiota; Haruo Kobayashi 001 (ISPACS, 2017)

Gray-code input DAC architecture for clean signal generation. - Richen Jiang; Gopal Adhikari; Yifei Sun 001; Dan Yao; Rino Takahashi; Yuki Ozawa; Nobukazu Tsukiji; Haruo Kobayashi 001; Ryoji Shiota (ISPACS, 2017)

Noise spread spectrum with adjustable notch frequency in complex pulse coding controlled DC-DC converters. - Yasunori Kobori; Nobukazu Tsukiji; Takuya Arafune; Manimel Wadu Sahan; Dulara Yifei Sun; Nobukazu Takai; Haruo Kobayashi 001 (ISPACS, 2017)

EMI reduction technique with noise spread spectrum using swept frequency modulation for hysteretic DC-DC converters. - Natsuko Miki; Nobukazu Tsukiji; Koyo Asaishi; Yasunori Kobori; Nobukazu Takai; Hamo Kobayashi (ISPACS, 2017)

Study of jitter generators for high-speed I/O interface jitter tolerance testing. - Yuki Ozawa; Takuya Arafune; Nobukazu Tsukiji; Haruo Kobayashi 001; Ryoji Shiota (ISPACS, 2017)

Study of multistage digital oscilloscope trigger circuit. - Shotaro Sakurai; Seiya Takigami; Takashi Ida; Yuki Ozawa; Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001; Ryoji Shiota (ISPACS, 2017)

Estimation of circuit component values in buck converter using efficiency curve. - Shotaro Sakurai; Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001 (ISPACS, 2017)

Equivalence between Nyquist and Routh-Hurwitz stability criteria for operational amplifier design. - Jianlong Wang; Gopal Adhikari; Nobukazu Tsukiji; Mayu Hirano; Haruo Kobayashi 001; Keita Kurihara; Akihito Nagahama; Ippei Noda; Kohji Yoshii (ISPACS, 2017)

Constant on-time controlled four-phase buck converter via two ways of saw-tooth-wave circuit and PLL circuit. - Yi Xiong; Koyo Asaishi; Natsuko Milli; Yifei Sun 001; Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001 (ISPACS, 2017)

Two-phase soft-switching DC-DC converter with voltage-mode resonant switch. - Yi Xiong; Yifei Sun 001; Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001 (ISPACS, 2017)

DAC linearity improvement with layout technique using magic and latin squares. - Dan Yao; Yifei Sun 001; Masashi Higashino; Shaiful Nizam Bin Mohyar; Tomonori Yanagida; Takuya Arafune; Nobukazu Tsukiji; Haruo Kobayashi 001 (ISPACS, 2017)

A Study on Loop Gain Measurement Method Using Output Impedance in DC-DC Buck Converter. - Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001 (IEICE Trans. Commun., 2018)

Operation and Stability Analysis of Temperature-Insensitive MOS Reference Current Source with Self-Bias Circuit. - Souma Yamamoto; Kuswan Isam Ebisawa; Yudai Abe; Takashi Ida; Yukiko Shibasaki; Nobukazu Tsukiji; Anna Kuwana; Haruo Kobayashi 001; Akira Suzuki; Yukichi Todoroki; Toshihiko Kakinoki; Nobuto Ono; et al. (ISOCC, 2020)

Bit-Serial DAC With Positive and Negative Polarity Output Using Switched Capacitor Circuit. - Nobukazu Tsukiji; Eito Minami; Lengkhang Nengvang; Jianglin Wei; Shogo Katayama; Anna Kuwana; Haruo Kobayashi 001 (ISPACS, 2024)