A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Transient Response in 40 μA – 4 mA Load Current Range November 6, 2021 - Yi Tan and Hiroki Ishikuro, “A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Transient Response in…
A Fast Wake-Up and High Accuracy Sensor Interface by Synchronous Sampling with Power-Efficient Switching Regulator November 6, 2021 - Yuya Fuketa, Kohei Tatehora, Yohsuke Shiiki, Shuya Nakagawa, and Hiroki Ishikuro, “A Fast Wake-Up and High Accuracy Sensor Interface by…
An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-Ring-Oscillators Applied in Ultra-Low Power Systems November 6, 2021 - Peter Toth and Hiroki Ishikuro, “An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-Ring-Oscillators Applied in Ultra-Low Power…
Gate Voltage Optimization in Capacitive DC-DC Converters for Thermoelectric Energy Harvesting November 6, 2021 - Yi Tan, Yohsuke Shiiki, and Hiroki Ishikuro, “Gate Voltage Optimization in Capacitive DC-DC Converters for Thermoelectric Energy Harvesting,” 26th Asia…
An 18 Bit Time-to-Digital Converter Design with Large Dynamic Range and Automated Multi-Cycle Concept November 6, 2021 - Peter Toth and Hiroki Ishikuro, “An 18 Bit Time-to-Digital Converter Design with Large Dynamic Range and Automated Multi-Cycle Concept,” 26th…
A Highly Linear Amp-Less Interface Circuit for Capacitive Sensors with ΔΣ C-DAC November 6, 2021 - Yuya Maekawa, Syuya Nakagawa, and Hiroki Ishikuro, "A Highly Linear Amp-Less Interface Circuit for Capacitive Sensors with ΔΣ C-DAC," 2020…
A High-Resolution Oscillator Based Resistance-to-Digital Converter with Non-Linearity Canceling Feedback by ΔΣ Modulated Variable Resistor November 6, 2021 - Shuya Nakagawa, Takumi Miyazaki, and Hiroki Ishikuro, "A High-Resolution Oscillator Based Resistance-to-Digital Converter with Non-Linearity Canceling Feedback by ΔΣ Modulated…
A Wide Range and High Accuracy Sensor Interface with Switching Regulator for Coin-Cell Powered Tiny Wireless Sensor Node, November 6, 2021 - K. Tatehora, Y. Shiiki, S. Nakagawa, T. Tanaka, K. Uchida, and H. Ishikuro, "A Wide Range and High Accuracy Sensor…
A 0.12V Fully Integrated Charge Pump with Gate Voltage Optimization for Energy Harvesting Applications November 6, 2021 - Yi Tan, Yohsuke Shiiki, and Hiroki Ishikuro, "A 0.12V Fully Integrated Charge Pump with Gate Voltage Optimization for Energy Harvesting…
A Discrete-Time Model for Frequency Modulated Charge Pumps with Synchronized Controller November 6, 2021 - Yi Tan and Hiroki Ishikuro, "A Discrete-Time Model for Frequency Modulated Charge Pumps with Synchronized Controller," 2020 IEEE 63rd International…
A Wide Input-Range, Low-Power and Highly Flexible 18 Bit Time-to-Digital Converter with Compact Differential Circuit Topology November 6, 2021 - Peter Toth and Hiroki Ishikuro, "A Wide Input-Range, Low-Power and Highly Flexible 18 Bit Time-to-Digital Converter with Compact Differential Circuit…
A Linearity Testing of Cascaded Analog Mixed-Signal Blocks Using SEIR MethodA Linearity Testing of Cascaded Analog Mixed-Signal Blocks Using SEIR Method November 6, 2021 - Tatsuya Ishikawa, Chia-Wei Pai, and Hiroki Ishikuro, "A Linearity Testing of Cascaded Analog Mixed-Signal Blocks Using SEIR Method," 2020 IEEE…
A Digital-to-Resistance Converter with an Automatic Offset Calibration Method for Evaluating Dynamic Performance of Resistive Sensor Readout Circuits November 6, 2021 - Shuya Nakagawa, Takumi Miyazaki, and Hiroki Ishikuro, "A Digital-to-Resistance Converter with an Automatic Offset Calibration Method for Evaluating Dynamic Performance…
High-Resolution Auto-Balancing Wheatstone-Bridge with Successive Approximation of ΔΣ-Modulated Digitally Controlled Variable Resistor November 6, 2021 - Takumi Miyazaki, Shuya Nakagawa, and Hiroki Ishikuro, "High-Resolution Auto-Balancing Wheatstone-Bridge with Successive Approximation of ΔΣ-Modulated Digitally Controlled Variable Resistor," 2019…
A Differential-Ring-Oscillator with up to 35 dBc/Hz Phase Noise Improving Amplitude Feedback Loop for Ultra Low Power Systems November 6, 2021 - Peter Toth and Hiroki Ishikuro, "A Differential-Ring-Oscillator with up to 35 dBc/Hz Phase Noise Improving Amplitude Feedback Loop for Ultra…
A High Accuracy Opamp-less Interface Circuit for 2-D Cross-Point Resistive Sensor Array with Switch Resistance Calibration November 6, 2021 - Yohsuke Shiiki and Hiroki Ishikuro, "A High Accuracy Opamp-less Interface Circuit for 2-D Cross-Point Resistive Sensor Array with Switch Resistance…
Low-Power and ppm-Level Detection of Gas Molecules by Integrated Metal Nanosheets November 6, 2021 - T. Tanaka, K. Tabuchi, K. Tatehora, Y. Shiiki, S. Nakagawa, T. Takahashi, R. Shimizu, H. Ishikuro, T. Kuroda, T. Yanagida,…
Interface with Opamp Output-Impedance Calibration Technique for a Large Integrated 2-D Resistive Sensor Array November 6, 2021 - Yohsuke Shiiki, Hiroki Ishikuro, “Interface with Opamp Output-Impedance Calibration Technique for a Large Integrated 2-D Resistive Sensor Array,” 2019 IEEE…
Arbitrary Magnetic Field Control Technique by Multi-Coil Transmitter Voltage Phase Shifting for Omni-Directional Free-Positioning Magnetic Resonance Wireless Power Delivery November 6, 2021 - Yusuke Inada, Toru Kawajiri, Ukyo Takeda, and Hiroki Ishikuro, "Arbitrary Magnetic Field Control Technique by Multi-Coil Transmitter Voltage Phase Shifting…
A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Transient Response in 40 μA – 4 mA Load Current Range November 6, 2021 - Yi Tan and Hiroki Ishikuro, “A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Transient Response in…
A Fast Wake-Up and High Accuracy Sensor Interface by Synchronous Sampling with Power-Efficient Switching Regulator November 6, 2021 - Yuya Fuketa, Kohei Tatehora, Yohsuke Shiiki, Shuya Nakagawa, and Hiroki Ishikuro, “A Fast Wake-Up and High Accuracy Sensor Interface by…
An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-Ring-Oscillators Applied in Ultra-Low Power Systems November 6, 2021 - Peter Toth and Hiroki Ishikuro, “An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-Ring-Oscillators Applied in Ultra-Low Power…
Gate Voltage Optimization in Capacitive DC-DC Converters for Thermoelectric Energy Harvesting November 6, 2021 - Yi Tan, Yohsuke Shiiki, and Hiroki Ishikuro, “Gate Voltage Optimization in Capacitive DC-DC Converters for Thermoelectric Energy Harvesting,” 26th Asia…
An 18 Bit Time-to-Digital Converter Design with Large Dynamic Range and Automated Multi-Cycle Concept November 6, 2021 - Peter Toth and Hiroki Ishikuro, “An 18 Bit Time-to-Digital Converter Design with Large Dynamic Range and Automated Multi-Cycle Concept,” 26th…
A Highly Linear Amp-Less Interface Circuit for Capacitive Sensors with ΔΣ C-DAC November 6, 2021 - Yuya Maekawa, Syuya Nakagawa, and Hiroki Ishikuro , "A Highly Linear Amp-Less Interface Circuit for Capacitive Sensors with ΔΣ C-DAC,"…
Wide Input-Range, Low-Power and Highly Flexible 18 Bit Time-to-Digital Converter with Compact Differential Circuit Topology July 9, 2020 - Peter Toth, Hiroki Ishikuro, "Wide Input-Range, Low-Power and Highly Flexible18 Bit Time-to-Digital Converter with CompactDifferential Circuit Topology," MWSCAS, Springfield, MA,…
A 0.12V Fully Integrated Charge Pump with Gate Voltage Optimization for Energy Harvesting Applications June 5, 2020 - Yi Tan, Yohsuke Shiiki, Hiroki Ishikuro, "A 0.12V Fully Integrated Charge Pump with Gate Voltage Optimization for Energy Harvesting Applications,"…
A Wide Range and High Accuracy Sensor Interface with Switching Regulator for Coin-Cell Powered Tiny Wireless Sensor Node June 5, 2020 - Kohei Tatehora, Yohsuke Shiiki, Shuya Nakagawa, Takahisa Tanaka, Ken Uchida, Hiroki Ishikuro, "A Wide Range and High Accuracy Sensor Interface…
A High-Resolution Oscillator Based Resistance-to-Digital Converter with Non-Linearity Cancelling Feedback by ΔΣ Modulated Variable Resistor June 5, 2020 - Shuya Nakagawa, Takumi Miyazaki, and Hiroki Ishikuro, "A High-Resolution Oscillator Based Resistance-to-Digital Converter with Non-Linearity Cancelling Feedback by ΔΣ Modulated…
Design of resource sharing reconfigurable ΔΣ SAR-ADC April 3, 2018 - Motomi Ishizuka, Kohei Yamada...
Distortion and its suppression in low-power delta-sigma modulator April 3, 2017 - Hiroki Ishikuro, " Distortion...
A programmable ΔΣ SAR-ADC with charge shuttling technique April 3, 2016 - Kohei Yamada, Yosuke Toyama, ...
Low power DT delta-sigma modulator with ring amplifier SC-integrator April 3, 2016 - Takuma Suguro, and Hiroki Ish...
Shield Effects of Metal Plate and Mesh in Wireless Power Delivery System, April 3, 2015 - Junki Hashiba, Toru Kawajiri,...
Wireless Energy Transfer for IoT Era, April 3, 2015 - Hiroki Ishikuro, "Wireless En...
A Low EMI SIDO Wireless Power Transfer System with 10usec Response Time, April 3, 2015 - Toru Kawajiri, Takahiro Morot...
バイナリサーチとフラッシュ動作の動的切替を用いたパワースケーラブルADC April 3, 2015 - 田中公貴,吉岡健太郎,斎藤涼,石黒仁揮, 「バイナリサーチ...
高分解能SAR-ADCのためのS/N比自動判定VCOベース比較器 April 3, 2015 - 勝呂拓馬,吉岡健太郎,石黒仁揮, 「高分解能S...
Ultra low voltage and low power mixed-signal circuits, April 3, 2014 - H. Ishikuro, "Ultra low volta...
アレイ発振器の共有による低電力、小面積磁界通信用周波数キャリブレーション技術 April 3, 2014 - 北沢直紀、徐照男、石黒仁揮「アレイ発振器の共有による低電力、...
ソース電圧シフトによるコンパレータの動的閾値制御を用いたSAR型ADCの小型、低電力化 April 3, 2014 - 米倉正樹、吉岡健太郎、石黒仁揮「ソース電圧シフトによるコンパ...
超小型システム向けワイヤレス電力伝送技術 April 3, 2014 - 石黒仁揮「超小型システム向けワイヤレス電力伝送技術」 日本学...
0.18um-CMOSによる低電力SAR-ADC設計 April 3, 2014 - 勝呂拓馬、関本竜太、志方明、石黒仁揮「0.18um-CMOS...
Verilog-AによるSAR-ADCの設計効率化 April 3, 2014 - 田中公貴、関本竜太、志方明、石黒仁揮「Verilog-Aによ...
極低電力・低電圧ADCの回路技術 April 3, 2014 - 石黒仁揮「極低電力・低電圧ADCの回路技術」(招待講演) 電...
逐次比較方式を用いた極低電力・低電圧ADC April 3, 2014 - 石黒仁揮、「逐次比較方式を用いた極低電力・低電圧ADC」電子...
A 13b SAR ADC with Eye-Opening VCO Based Comparator, April 3, 2014 - Kentaro Yoshioka and Hiroki Is...
スイッチト整流器を用いたNANDフラッシュメモリ向け単一インダクタ2出力非接触給電システム April 3, 2014 - 川尻徹, 長谷川雄哉, 石黒仁揮,「スイッチト整流器を用いた...
広範囲動作非同期制御回路を用いたV動作逐次比較型ADC April 3, 2013 - 富山陽介、志方明、吉岡健太郎、関本竜太、黒田忠広、石黒仁揮、...
Independent-Double-Gate-FinFETの1/fノイズ特性に関する研究 April 3, 2013 - 坂井秀男、大内真一、遠藤和彦、松川 貴、柳 永シュン、石川由...
TDC一体型DLLを用いた高速ロック・低消費電力完全デジタルCDR回路 April 3, 2013 - 浦野雄貴、尹 元柱、小平 薫、徐 照男、黒田忠広、石黒仁揮、...
最適オンオフ制御を用いた磁界結合パルス通信用間欠動作LNA April 3, 2013 - 徐 照男、小平、薫、浦野雄貴、黒田忠広、石黒仁揮、「最適オン...
.8V動作のインバータ-オペアンプ切り替え積分器を利用したΔ-Σ変調器 April 3, 2013 - 吉岡健太郎、富山陽介、徐 照男、石黒仁揮、「.8V動作のイン...
タイミング最適化非同期クロック生成器を搭載した40nm超低電圧SAR ADC April 3, 2012 - 関本竜太、志方明、吉岡健太郎、黒田忠広、石黒仁揮、「タイミン...
多相発振器による適応パルス幅制御を用いた低電圧・高速磁界結合通信機 April 3, 2012 - 浦野雄貴、松原岳志、林勇、アブル・ハサン・ジョハリ、小平薫、...
1/f Noise Characteristic in Independent-Double-Gate-FinFET April 3, 2012 - Hideo Sakai, Shin-ichi O’uchi,...
0.5V動作の高速近接無線通信用送受信機の設計 April 3, 2011 - 松原、林、ジョハリ、熊木、小平、黒田、石黒、「0.5V動作の...
0.5Vアナログ回路設計の課題 April 3, 2011 - 石黒、「0.5Vアナログ回路設計の課題」電気学会研究会、7月...
A Power Scalable SAR-ADC in 0.18um-CMOS with 0.5V Nano-Watt Operation April 3, 2011 - Ryota Sekimoto, Akira Shikata,...
A 12Gb/s non-contact interface with coupled Transmission list01s, April 3, 2011 - T.Takeya, L.Nan, S.Nakano, N....
0.5V動作6-bitスケーラブル位相補間器 April 3, 2010 - 熊木、ジョハリ、松原、・林、石黒、「0.5V動作6-bitス...
A 0.5V 6-bit scalable phase interpolator, April 3, 2010 - S.Kumaki1, A.H.Johari, T.Mats...
High-frequency characterization of intrinsic FinFET channel, April 3, 2010 - H.Sakai, S.O'uchi, T.Matsukaw...
3次元集積化のための積層チップ間非接触インターフェース April 3, 2010 - 石黒、黒田、「3次元集積化のための積層チップ間非接触インター...
Contactless Interfaces in 3D-Integration, April 3, 2010 - H. Ishikuro, "Contactless Int...
アナログ離散時間信号処理のための高線形かつ広帯域サンプリング回路 April 3, 2009 - 佐藤守、阿部寛之、黒田忠広、石黒仁揮、「アナログ離散時間信号...
A Wireless Real-Time On-Chip Bus Trace System, April 3, 2009 - S. Kawai, T. Ikari, Y. Takika...
Wideband Inductive-coupling Interface for High-performance Portable System April 3, 2007 - Wideband Inductive-coupling In...
Constant Magnetic Field Scaling in Inductive-Coupling Data Link April 3, 2006 - Constant Magnetic Field Scalin...
Double Thresholding Schemeを用いた1V 299uW Flashing UWBトランシーバ April 3, 2006 - Double Thresholding Schemeを用いた...
A 1-V 299 April 3, 2006 - A 1-V 299;micro;W Flashing UWB...
スケーリングされたトランジスタに適応した高耐圧オペアンプ設計 April 3, 2006 - スケーリングされたトランジスタに適応した高耐圧オペアンプ設計...
Analog and Digital Circuit Systems for Wireless Access Applications April 3, 2005 - Analog and Digital Circuit Sys...
1.2V動作可能な中心周波数可変複素バンドパスフィルタ April 3, 2005 - 1.2V動作可能な中心周波数可変複素バンドパスフィルタ ; ...
An Outside-Rail Opamp Design Targeting for Future Scaled Transistors April 3, 2005 - An Outside-Rail Opamp Design T...
CMOS LC-VCOの位相雑音最小化 April 3, 2005 - CMOS LC-VCOの位相雑音最小化 ; 宮下、石黒、香西...
A 1.2-V CMOS Complex Bandpass Filter with a Tunable Center Frequency April 3, 2005 - A 1.2-V CMOS Complex Bandpass ...
ディジタルI/Qミスマッチ補正回路を搭載したlow-IF方式シングルチップCMOS Bluetooth-EDR送信機 April 3, 2005 - ディジタルI/Qミスマッチ補正回路を搭載したlow-IF方式...
1.5MHz-IF受信方式および直接変調送信方式によるシングルチップCMOS Bluetoothトランシーバ April 3, 2003 - 1.5MHz-IF受信方式および直接変調送信方式によるシング...
Random Telegraph Signals in Very Narrow Channel MOSFET April 3, 1999 - Random Telegraph Signals in Ve...
Energy Spectrum of the Quantum-Dot in a Si Single-Electron-Device April 3, 1998 - Energy Spectrum of the Quantum...
Narrow Channel MOS Memory Based on Silicon Nano-Crystals April 3, 1998 - Narrow Channel MOS Memory Base...
Floating Body Effects in 0.15 μm Partially Depleted SOI MOSFETs below 1 V April 3, 1996 - Floating Body Effects in 0.15 ...
Coulomb Blockade in a Weakly Coupled Multiple-Dot-Channel MOSFET April 3, 1996 - Coulomb Blockade in a Weakly C...