Highly Efficient Waveform Acquisition Condition in Equivalent-Time Sampling System. - Yuto Sasaki; Yujie Zhao; Anna Kuwana; Haruo Kobayashi 001 (ATS, 2018)

Frequency Estimation Sampling Circuit Using Analog Hilbert Filter and Residue Number System. - Yudai Abe; Shogo Katayama; Congbing Li; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Evaluation of Null Method for Operational Amplifier Short-Time Testing. - Riho Aoki; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Shogo Katayama; Yuto Sasaki; Kosuke Machida; Takayuki Nakatani; Jianlong Wang; Anna Kuwana; Kazumi Hatayama; et al. (ASICON, 2019)

Analysis and Evaluation Method of RC Polyphase Filter. - Koji Asami; Nene Kushita; Akemi Hatta; Minh Tri Tran 001; Yoshiro Tamura; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Systematic Construction of Resistor Ladder Network for N-ary DACs. - Manato Hirai; Shuhei Yamamoto; Hirotaka Arai; Anna Kuwana; Hiroshi Tanimoto; Yuji Gendai; Haruo Kobayashi 001 (ASICON, 2019)

Automatic Correction of Current Imbalance for Multi-Phase COT Ripple-Based Control DC-DC Converter. - Shogo Katayama; Jing Li; Yifei Sun 001; Minh Tri Tran 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Output Voltage Ripple Reduction with Nosie Spread Spectrum for Dual-Phase LLC Resonant Converter. - Shogo Katayama; Noriyuki Oiwa; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Analog / Mixed-Signal / RF Circuits for Complex Signal Processing. - Haruo Kobayashi 001; Nene Kushita; Minh Tri Tran 001; Koji Asami; Hao San; Anna Kuwana; Akemi Hatta (ASICON, 2019)

Fine Time Resolution TDC Architectures -Integral and Delta-Sigma Types. - Haruo Kobayashi 001; Kosuke Machida; Yuto Sasaki; Yusuke Osawa; Pengfei Zhang; Lei Sha; Yuki Ozawa; Anna Kuwana (ASICON, 2019)

Optimization of High Reliability and Wide SOA 100 V LDMOS Transistor with Low Specific On-Resistance. - Anna Kuwana; Jun-Ichi Matsuda; Haruo Kobayashi 001 (ASICON, 2019)

Pulse Coding Control Switching Converter with Adjustable Conversion Voltage Ratio Notch Frequency Generation in Noise Spectrum. - Yifei Sun 001; Minh Tri Tran 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

EMI Noise Reduction and Output Ripple Cancellation for Full-Wave Type Soft-Switching Converter. - Yifei Sun 001; Minh Tri Tran 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Flat Pass-Band Method with Two RC Band-Stop Filters for 4-Stage Passive RC Polyphase Filter in Low-IF Receiver Systems. - Minh Tri Tran 001; Nene Kushita; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Overshoot Cancelation Based on Balanced Charge-Discharge Time Condition for Buck Converter in Mobile Applications. - Minh Tri Tran 001; Yifei Sun 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Minimum Output Ripple and Fixed Operating Frequency Based on Modulation Injection for COT Ripple Control Converter. - Minh Tri Tran 001; Yifei Sun 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Graphene Biosensor for Saliva Protein Adsorption. - Shiyu Wang; Md. Zakir Hossain; Takaaki Suzuki; Kazuo Shinozuka; Natsuhiko Shimizu; Shunya Kitada; Ryo Ichige; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

High-Resolution Low-Sampling-Rate Δ∑ ADC Linearity Short-Time Testing Algorithm. - Jiang-Lin Wei; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Nene Kushita; Takahiro Arai; Lei Sha; Anna Kuwana; Haruo Kobayashi 001; Takayuki Nakatani; Kazumi Hatayama; Keno Sato (ASICON, 2019)

Multi-Phase Full/Half Wave Type Resonant Converters with Automatic Current Balance against Element Variation. - Chen-Hao Zhang; Yifei Sun 001; Minh Tri Tran 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2019)

Accurate and Fast Testing Technique of Operational Amplifier DC Offset Voltage in µV-Order by DC-AC Conversion. - Yuto Sasaki; Kosuke Machida; Riho Aoki; Shogo Katayama; Takayuki Nakatani; Jianlong Wang; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Anna Kuwana; Kazumi Hatayama; et al. (ITC-Asia, 2019)

Crest Factor Controlled Multi-Tone Signals for Analog/Mixed-Signal IC Testing. - Yukiko Shibasaki; Koji Asami; Anna Kuwana; Kosuke Machida; Yuanyang Du; Akemi Hatta; Kazuyoshi Kubo; Haruo Kobayashi 001 (ITC-Asia, 2019)

Innovative Test Practices in Japan. - Yusuke Asada; Takahiko Shimizu; Yuji Gendai; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Jiang-Lin Wei; Nene Kushita; Hirotaka Arai; Anna Kuwana; Takayuki Nakatani; et al. (VTS, 2019)

Revisit to Floating-Point Division Algorithm Based on Taylor-Series Expansion. - Jianglin Wei; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo (APCCAS, 2020)

Summing Node Test Method: Simultaneous Multiple AC Characteristics Testing of Multiple Operational Amplifiers. - Gaku Ogihara; Takayuki Nakatani; Akemi Hatta; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Anna Kuwana; Riho Aoki; Shogo Katayama; Jianglin Wei; Yujie Zhao; et al. (ATS, 2020)

Accurate Testing of Precision Voltage Reference by DC-AC Conversion. - Keno Sato; Takayuki Nakatani; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Anna Kuwana; Kazumi Hatayama; Haruo Kobayashi 001 (ATS, 2020)

Analysis and Design of Multi-Tone Signal Generation Algorithms for Reducing Crest Factor. - Yukiko Shibasaki; Koji Asami; Riho Aoki; Akemi Hatta; Anna Kuwana; Haruo Kobayashi 001 (ATS, 2020)

Low Power Loss IGBT Driver Circuit Using Current Drive. - Yudai Abe; Akio Iwabuchi; Jun-Ichi Matsuda; Anna Kuwana; Takashi Ida; Yukiko Shibasaki; Haruo Kobayashi 001 (ISOCC, 2020)

Digital-to-Analog Converter Architectures Based on Polygonal and Prime Numbers. - Yuanyang Du; Xueyan Bai; Manato Hirai; Shuhei Yamamoto; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo (ISOCC, 2020)

Nonlinearity Analysis of Resistive Ladder-Based Current-Steering Digital-to-Analog Converter. - Manato Hirai; Hiroshi Tanimoto; Yuji Gendai; Shuhei Yamamoto; Anna Kuwana; Haruo Kobayashi 001 (ISOCC, 2020)

Improved Nagata Current Source Insensitive to Temperature and Power Supply Voltage. - Takashi Hosono; Lei Sha; Souma Yamamoto; Mayu Hirano; Takashi Ida; Anna Kuwana; Haruo Kobayashi 001; Yoichi Moroshima; Hiromichi Harakawa; Takeshi Oikawa (ISOCC, 2020)

Simple Reference Voltage Generation Circuit Insensitive to Temperature. - Lei Sha; Anna Kuwana; Masashi Horiguchi; Haruo Kobayashi 001 (ISOCC, 2020)

Study on Crest Factor Controlled Multi-Tone Signal for Analog RF Circuit Testing. - Yukiko Shibasaki; Koji Asami; Akemi Hatta; Riho Aoki; Anna Kuwana; Haruo Kobayashi 001 (ISOCC, 2020)

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)

Ringing Test for Third-Order Ladder Low-Pass Filters. - Minh Tri Tran 001; Anna Kuwana; Haruo Kobayashi 001 (UEMCON, 2020)

Activation Modeling and Classification of Voluntary and Imagery Movements From the Prefrontal fNIRS Signals. - Md. Asadur Rahman; Mohd Abdur Rashid; Mohiuddin Ahmad; Anna Kuwana; Haruo Kobayashi 001 (IEEE Access, 2020)

Pulse Coding Controlled Switching Converter that Generates Notch Frequency to Suit Noise Spectrum. - Yifei Sun 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (IEICE Trans. Commun., 2020)

Study of Behaviors of Motion Models in High-Order Systems. - Minh Tri Tran 001; Anna Kuwana; Haruo Kobayashi 001 (AIIoT, 2021)

Classical Mathematics and Analog/Mixed-Signal IC Design. - Haruo Kobayashi 001; Xueyan Bai; Yujie Zhao; Shuhei Yamamoto; Dan Yao; Manato Hirai; Jianglin Wei; Shogo Katayama; Anna Kuwana (ASICON, 2021)

Adaptive Convergence Method of Notch Frequency in Noise Spread Spectrum for Pulse Coding Switching DC-DC Converter. - Gui-Yi Dong; Shogo Katayama; Yifei Sun 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2021)

Analysis of Switching Characteristics of Wide SOA and High Reliability 100 V N-LDMOS Transistor with Dual RESURF and Grounded Field Plate Structure. - Anna Kuwana; Jun-Ichi Matsuda; Haruo Kobayashi 001 (ASICON, 2021)

Multi-Output SEIPC Multiplied Boost Converter with Exclusive Control. - Yuki Sekine; Shogo Katayama; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (ASICON, 2021)

Divide and Conquer: Floating-Point Exponential Calculation Based on Taylor-Series Expansion. - Jianglin Wei; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo (ASICON, 2021)

Application of Residue Sampling to RF/AMS Device Testing. - Shogo Katayama; Yudai Abe; Anna Kuwana; Koji Asami; Masahiro Ishida; Ryuya Ohta; Haruo Kobayashi 001 (ATS, 2021)

High Precision Measurement of Sub-Nano Ampere Current in ATE Environment. - Keno Sato; Takayuki Nakatani; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Shogo Katayama; Gaku Ogihara; Daisuke Iimori; Yujie Zhao; Jianglin Wei; Anna Kuwana; Kazumi Hatayama; et al. (ATS, 2021)

Study of Helix Functions and Multi-Source Rauch Filters. - Minh Tri Tran 001; Anna Kuwana; Haruo Kobayashi 001 (CCWC, 2021)

Study of Rauch Low-Pass Filters using Pascal's Triangle. - Minh Tri Tran 001; Anna Kuwana; Haruo Kobayashi 001 (ICEIC, 2021)

Evaluation of High-Precision Nano-Ampere Current Measurement Method for Mass Production. - Gaku Ogihara; Takayuki Nakatani; Daisuke Iimori; Shogo Katayama; Anna Kuwana; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Yujie Zhao; Jianglin Wei; Kazumi Hatayama; et al. (ICECS, 2021)

Metallic Ratio Equivalent-Time Sampling: A Highly Efficient Waveform Acquisition Method. - Shuhei Yamamoto; Yuto Sasaki; Yujie Zhao; Jianglin Wei; Anna Kuwana; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Takayuki Nakatani; Minh Tri Tran 001; Shogo Katayama; et al. (IOLTS, 2021)

Summing Node and False Summing Node Methods: Accurate Operational Amplifier AC Characteristics Testing without Audio Analyzer. - Daisuke Iimori; Takayuki Nakatani; Shogo Katayama; Gaku Ogihara; Akemi Hatta; Anna Kuwana; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Jianglin Wei; Yujie Zhao; et al. (ITC, 2021)

Revisit to Accurate ADC Testing with Incoherent Sampling Using Proper Sinusoidal Signal and Sampling Frequencies. - Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Jianglin Wei; Takayuki Nakatani; Yujie Zhao; Shogo Katayama; Shuhei Yamamoto; Anna Kuwana; Kazumi Hatayama; Haruo Kobayashi 001 (ITC, 2021)

Investigation of Behaviours of Kerwin-Huelsman-Newcomb Filters Using Nichols Charts of Self-Loop Function. - Minh Tri Tran 001; Anna Kuwana; Haruo Kobayashi 001 (MWSCAS, 2021)

Floating-Point Square Root Calculation Algorithm Based on Taylor-Series Expansion and Region Division. - Jianglin Wei; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo; Yuuki Tanaka (MWSCAS, 2021)

Floating-Point Inverse Square Root Algorithm Based on Taylor-Series Expansion. - Jianglin Wei; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo; Yuuki Tanaka (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

High Precision Voltage Measurement System Utilizing Low-End ATE Resource and BOST. - Keno Sato; Takayuki Nakatani; Shogo Katayama; Daisuke Iimori; Gaku Ogihara; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Yujie Zhao; Kentaroh Katoh; Anna Kuwana; Kazumi Hatayama; et al. (ATS, 2022)

Notch Frequency Generation Methods in Noise Spread Spectrum for Pulse Coding Switching DC-DC Converter. - Gui-Yi Dong; Shogo Katayama; Yifei Sun 001; Yasunori Kobori; Anna Kuwana; Haruo Kobayashi 001 (LASCAS, 2022)

Low Switching Loss Dual RESURF 40 V N-LDMOS with Grounded Field Plate for DC-DC Converters. - Hao Yang Du; Jun-Ichi Matsuda; Anna Kuwana; Haruo Kobayashi 001 (MWSCAS, 2022)

Innovative Practices Track: Innovative Analog Circuit Testing Technologies. - Chris Mangelsdorf; Manasa Madhvaraj; Salvador Mir; Manuel J. Barragán; Daisuke Iimori; Takayuki Nakatani; Shogo Katayama; Gaku Ogihara; Yujie Zhao; Jianglin Wei; Anna Kuwana; Kentaroh Katoh; et al. (VTS, 2022)

Revisit to Histogram Method for ADC Linearity Test: Examination of Input Signal and Ratio of Input and Sampling Frequencies. - Yujie Zhao; Kentaroh Katoh; Anna Kuwana; Shogo Katayama; Jianglin Wei; Haruo Kobayashi 001; Takayuki Nakatani; Kazumi Hatayama; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa (J. Electron. Test., 2022)

Asynchronous capacitive SAR ADC based on Hopfield network. - Xueyan Bai; Shogo Katayama; Dan Yao; Anna Kuwana; Zifei Xu; Haruo Kobayashi 001 (IEICE Electron. Express, 2022)

Unit cell mismatch scrambling method for high-resolution unary DAC based on virtual 3D layout. - Dan Yao; Xuanyan Bai; Shogo Katayama; Anna Kuwana; Kazuyuki Kawauchi; Haruo Kobayashi 001; Kouji Hirai; Akira Suzuki; Satoshi Yamada; Tomoyuki Kato; Ritsuko Kitakoga; Takeshi Shimamura; et al. (IEICE Electron. Express, 2022)

IEEE754 Binary32 Floating-Point Logarithmic Algorithms Based on Taylor-Series Expansion with Mantissa Region Conversion and Division. - Jianglin Wei; Anna Kuwana; Haruo Kobayashi 001; Kazuyoshi Kubo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

Back to the Analog Neural Network and Linear Circuit Theory. - Haruo Kobayashi 001; Manato Hirai; Kakeru Otomo; Shogo Katayama; Xueyan Bai; Masashi Chiba; Zifei Xu; Dan Yao; Lengkhang Nengvang; Minh Tri Tran 001; Kanji Yoshihiro; Anna Kuwana; et al. (ASICON, 2023)

A Physically Unclonable Function Using Time-to-Digital Converter with Linearity Self-Calibration and its FPGA Implementation. - Kentaroh Katoh; Shuhei Yamamoto; Zheming Zhao; Yujie Zhao; Shogo Katayama; Anna Kuwana; Takayuki Nakatani; Kazumi Hatayama; Haruo Kobayashi 001; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; et al. (ITC-Asia, 2023)

Low Distortion Sinusoidal Signal Generator with Harmonics Cancellation Using Two Types of Digital Predistortion. - Keno Sato; Takayuki Nakatani; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Shogo Katayama; Daisuke Iimori; Misaki Takagi; Yujie Zhao; Shuhei Yamamoto; Anna Kuwana; Kentaroh Katoh; et al. (ITC, 2023)

Low distortion sine wave generator with simple harmonics cancellation circuit and filter for analog device testing. - Shogo Katayama; Takayuki Nakatani; Daisuke Iimori; Misaki Takagi; Yujie Zhao; Anna Kuwana; Keno Sato; Takashi Ishida 003; Toshiyuki Okamoto; Tamotsu Ichikawa; Kentaroh Katoh; Kazumi Hatayama; et al. (IEICE Electron. Express, 2023)

Relaxation DAC with positive and negative polarity output using high-pass filter. - Lengkhang Nengvang; Shogo Katayama; Anna Kuwana; Kazufumi Naganuma; Kiyoshi Sasai; Akihisa Iikura; Akira Asao; Takuya Watanabe; Katsuaki Morishita; Haruo Kobayashi 001 (IEICE Electron. Express, 2023)

Asynchronous SAR ADC with Parallel Comparators Inspired by Hopfield Network. - Keita Noda; Hao San; Xueyan Bai; Shogo Katayama; Dan Yao; Anna Kuwana; Zifei Xu; Haruo Kobayashi 001 (ISPACS, 2024)

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)