Kiichi Niitsu

Orcid: 0000-0002-3813-3955

According to our database1, Kiichi Niitsu authored at least 112 papers between 2006 and 2023.

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Bibliography

2023
A Battery-Less 0.37 V 126 nW 0.29 mm<sup>2</sup> 65-nm CMOS Biofuel-Cell-Modulated Biosensing System Featuring an FSK-PIM-Combined 2.4 GHz Transmitter for Continuous Glucose Monitoring Contact Lenses.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2023

A 0.063-mm<sup>2</sup> 1.75-nW Biofuel Cell-Input Biosensing/Data-Storing System with 5.5-GHz Wireless Backscatter Data-Readout in 65-nm CMOS for Self-Powered Smart Contact Lenses.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2023

2022
Design and Experimental Verification of a 2.1nW 0.018mm<sup>2</sup> Slope ADC-Based Supply Voltage Monitor for Biofuel-Cell-Powered Supply-Sensing Systems in 180-nm CMOS.
IEICE Trans. Electron., October, 2022

A 4.5-mW 22-nm CMOS Label-Free Frequency-Shift 3 × 3 × 2 3-D Biosensor Array Using Vertically Stacked 60-GHz LC Oscillators.
IEEE Trans. Circuits Syst. II Express Briefs, 2022

A Solar-Cell-Assisted, 99% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65nm CMOS for Continuous Glucose Monitoring Contact Lenses.
IEICE Trans. Electron., 2022

A 4.8-mW Label-free Frequency-shift 3×3×2 3D Biosensor Array with Vertically-stacked 60-GHz LC Oscillators in 22-nm CMOS.
Proceedings of the 65th IEEE International Midwest Symposium on Circuits and Systems, 2022

A 0.00023 mm² 1.2V 0.48mW 18GHz Passive-Less Digital Wireless Transmitter with On-Chip Antenna in 22nm Bulk CMOS.
Proceedings of the 65th IEEE International Midwest Symposium on Circuits and Systems, 2022

An Ultra-Low Power 22 nm Self-Oscillating Voltage Doubler With Dynamic Leakage-Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022

22nm CMOS pW Standby Power Flip-Flops with/without Security using Dynamic Leakage Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022

A 52.3% Peak Efficiency 22nm CMOS Low-Power Light-Adaptive Self-Oscillating Voltage Doubler Using Scalable Dynamic Leakage-Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022

A 0.5 mm<sup>2</sup> Ambient Light-Driven Solar Cell-Powered Biofuel Cell-Input Biosensing System with LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens.
Proceedings of the 27th Asia and South Pacific Design Automation Conference, 2022

2021
A 0.2V 0.97nW 0.011mm<sup>2</sup> Fully-Passive mHBC Tag Using Intermediate Interference Modulation in 65nm CMOS.
Proceedings of the 28th IEEE International Conference on Electronics, 2021

A 4.8mW 22nm CMOS Fully-Integrated 60-GHz $3\times 3\times 2$ 3D Frequency-Shift Biosensor Array Using Vertically-Stacked LC Oscillators.
Proceedings of the 28th IEEE International Conference on Electronics, 2021

A 0.5 mm<sup>2</sup> 0.31 V/0.39 V 28 nW/144 nW 65 nm CMOS Solar Cell-Powered Biofuel Cell-Input Biosensing System with PIM/PDM LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens.
Proceedings of the 51st IEEE European Solid-State Device Research Conference, 2021

A 22nm CMOS 0.2V 13.3nW 16T SRAM Using Dynamic Leakage Suppression and Half-Selected Free Technique.
Proceedings of the IEEE Asia Pacific Conference on Circuit and Systems, 2021

2020
Low-Voltage Gate-Leakage-Based Timer Using an Amplifier-Less Replica-Bias Switching Technique in 55-nm DDC CMOS.
IEEE Open J. Circuits Syst., 2020

Simulation Study of Full Passive Magnetic Human Body Communication in 65-nm CMOS Technology for Temperature Sensing Application.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020

Design of Fully-Integrated Self-Powered FM Transmitter Using On-Chip Photodiodes in 65-nm CMOS.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020

Design of 33 GHz 65-nm-CMOS Small-Formfactor Direct-Conversion Receiver for Non-Invasive Continuous Glucose Monitoring.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020

Widely Tunable CMOS-Based Biosensor With an Active-Inductor-Based VCO for Detecting CTCs and Exosomes.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020

A 72-nW 440-mV Time Register Using Stacked-NMOS-Switched Gated Delay Cell in Biomedical Applications.
Proceedings of the 2020 IEEE Asia Pacific Conference on Circuits and Systems, 2020

2019
A 65-nm CMOS Fully Integrated Analysis Platform Using an On-Chip Vector Network Analyzer and a Transmission-Line-Based Detection Window for Analyzing Circulating Tumor Cell and Exosome.
IEEE Trans. Biomed. Circuits Syst., 2019

Design of a Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 65-nm CMOS and 55-nm DDC CMOS.
IEEE Trans. Biomed. Circuits Syst., 2019

Design and Calibration of a Small-Footprint, Low-Frequency, and Low-Power Gate Leakage Timer Using Differential Leakage Technique.
IEICE Trans. Electron., 2019

A 385×385μm<sup>2</sup> 0.165V 0.27nW Fully-Integrated Supply-Modulated OOK Transmitter in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
IEICE Trans. Electron., 2019

An FSK Inductive-Coupling Transceiver Using 60mV 0.64fJ/bit 0.0016mm<sup>2</sup> Load-Modulated Transmitter and LC-Oscillator-Based Receiver in 65nm CMOS for Energy-Budget-Unbalanced Application.
IEICE Trans. Electron., 2019

Design and theoretical analysis of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
IEICE Electron. Express, 2019

A 40-GHz Fully-Integrated CMOS-Based Biosensor Circuit with an On-Chip Vector Network Analyzer for Circulating Tumor Cells Analysis.
Proceedings of the 2019 IEEE Nordic Circuits and Systems Conference, 2019

A 65-nm CMOS 1.4-nW Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2019

Verification of Inductive-Coupling-Based CMOS Biosensor Focusing on Dielectric Loss of β-Dispersion for Detecting Exosomes Through Electromagnetic Simulation.
Proceedings of the 26th IEEE International Conference on Electronics, Circuits and Systems, 2019

A Solar-Cell-Assisted, 99.66% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65-nm CMOS for Continuous Glucose Monitoring Contact Lenses.
Proceedings of the 26th IEEE International Conference on Electronics, Circuits and Systems, 2019

A 2.1-nW Burst-Pulse-Counting Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 180-nm CMOS.
Proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference, 2019

A low-voltage CMOS electrophoresis IC using electroless gold plating for small-form-factor biomolecule manipulation.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

2D optical imaging using photosystem I photosensor platform with 32x32 CMOS biosensor array.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

A 65-nm CMOS fully-integrated circulating tumor cell and exosome analyzer using an on-chip vector network analyzer and a transmission-line-based detection window.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

A three-dimensional millimeter-wave frequency-shift based CMOS biosensor using vertically stacked spiral inductors in LC oscillators.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

Design of gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

Design of 385 x 385 μm<sup>2</sup> 0.165V 270pW fully-integrated supply-modulated OOK transmitter in 65nm CMOS for glasses-free, self-powered, and fuel-cell-embedded continuous glucose monitoring contact lens.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019

LC-Voltage-Controlled-Oscillator-Based Biosensor in 180-nm CMOS Process Targeting β-Dispersion for Detecting Exosomes.
Proceedings of the 2019 IEEE Asia Pacific Conference on Circuits and Systems, 2019

AI-Based Edge-Intelligent Hypoglycemia Prediction System Using Alternate Learning and Inference Method for Blood Glucose Level Data with Low-periodicity.
Proceedings of the IEEE International Conference on Artificial Intelligence Circuits and Systems, 2019

2018
A Self-Powered Supply-Sensing Biosensor Platform Using Bio Fuel Cell and Low-Voltage, Low-Cost CMOS Supply-Controlled Ring Oscillator With Inductive-Coupling Transmitter for Healthcare IoT.
IEEE Trans. Circuits Syst. I Regul. Pap., 2018

A 6.1-nA Fully Integrated CMOS Supply Modulated OOK Transmitter in 55-nm DDC CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
IEEE Trans. Circuits Syst. II Express Briefs, 2018

Demonstration of 2D Optical Imaging Using Photosystem I Photosensor Platform with 3232 CMOS Biosensor Array.
Proceedings of the 16th IEEE International New Circuits and Systems Conference, 2018

A Blood Glucose Level Prediction System Using Machine Learning Based on Recurrent Neural Network for Hypoglycemia Prevention.
Proceedings of the 16th IEEE International New Circuits and Systems Conference, 2018

A 350-mV, under-200-ppm allan deviation floor gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS.
Proceedings of the 2018 IEEE Custom Integrated Circuits Conference, 2018

Live Demonstration: 385 × 385 μm2 0.165V 270pW Fully-Integrated Supply-Modulated OOK Tx in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
Proceedings of the 2018 IEEE Biomedical Circuits and Systems Conference, 2018

A 385μm × 385μm 0.165 V 0.27 nW Fully-Integrated Supply-Modulated OOK CMOS TX in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
Proceedings of the 2018 IEEE Biomedical Circuits and Systems Conference, 2018

A BER-Modulated Inductive-Coupling Transceiver Using Dynamic Intermediate Interference Control Technique for Low-Power Communication.
Proceedings of the 2018 IEEE Asia Pacific Conference on Circuits and Systems, 2018

A Constant-Power Inductive-Coupling Transmitter Using Auxiliary Driving Technique in 65nm SOTB CMOS for Low-Power Supply-Sensing Biosensing Platform toward Healthcare IoTs.
Proceedings of the 2018 IEEE Asia Pacific Conference on Circuits and Systems, 2018

2017
Design and Experimental Verification of a 0.19 V 53 μW 65 nm CMOS Integrated Supply-Sensing Sensor With a Supply-Insensitive Temperature Sensor and an Inductive-Coupling Transmitter for a Self-Powered Bio-sensing System Using a Biofuel Cell.
IEEE Trans. Biomed. Circuits Syst., 2017

Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation.
IEICE Trans. Electron., 2017

Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array.
IEICE Trans. Electron., 2017

A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting.
IEICE Trans. Electron., 2017

Three-dimensional millimeter-wave frequency-shift-based CMOS biosensor using vertically stacked LC oscillators.
Proceedings of the IEEE Nordic Circuits and Systems Conference, 2017

A 28μm<sup>2</sup>, 0.11Hz, 4.5pW gate leakage timer using differential leakage technique in 55nm DDC CMOS for small-footprint, low-frequency and low-power timing generation.
Proceedings of the 24th IEEE International Conference on Electronics, Circuits and Systems, 2017

A scalable time-domain biosensor array using a capacitor-less CMATC and logarithmic cyclic time-attenuation-based TDC with discharge acceleration for high-spatial-resolution bio-imaging.
Proceedings of the 24th IEEE International Conference on Electronics, Circuits and Systems, 2017

Application of magnetic arrangement of microbeads for CMOS biosensor array sensitivity.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017

A fully-integrated circulating tumor cell analyzer using an on-chip vector network analyzer and a transmission-line-based detection window in 65-nm CMOS.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017

Design of an energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017

A scalable time-domain biosensor array using logarithmic cyclic time-attenuation-based TDC for high-resolution and large-scale bio-imaging.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017

A current-integration-based CMOS amperometric sensor with 1.2 μm × 2.05 μm electroless-plated microelectrode array for high-sensitivity bacteria counting.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017

2016
Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array.
IEICE Trans. Electron., 2016

A current-mode analog-to-time converter with short-pulse output capability using local intra-cell activation for high-speed time-domain biosensor array.
Proceedings of the IEEE Nordic Circuits and Systems Conference, 2016

An energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW 65nm-CMOS integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

Live demonstration: Current-mode analog-to-time converter for a large scale CMOS biosensor array.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

Live demonstration: Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05μm electroless-plated microelectrode array for robust bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

Design of an energy-autonomous, disposable, supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-µm zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter.
Proceedings of the 21st Asia and South Pacific Design Automation Conference, 2016

2015
A CMOS PWM Transceiver Using Self-Referenced Edge Detection.
IEEE Trans. Very Large Scale Integr. Syst., 2015

Development of Microelectrode Arrays Using Electroless Plating for CMOS-Based Direct Counting of Bacterial and HeLa Cells.
IEEE Trans. Biomed. Circuits Syst., 2015

An energy-autonomous, disposable, big-data-based supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-μm Zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015

Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05 μm electroless-plated microelectrode array for robust bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015

Finite aperture time effects in sampling circuit.
Proceedings of the 2015 IEEE 11th International Conference on ASIC, 2015

2014
A low-offset cascaded time amplifier with reconfigurable inter-stage connection.
IEICE Electron. Express, 2014

Charge-conserved analog-to-time converter for a large-scale CMOS biosensor array.
Proceedings of the IEEE International Symposium on Circuits and Systemss, 2014

A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

Live demonstration: A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

Live demonstration: An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

2013
A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines.
IEICE Trans. Electron., 2013

Two-Tone Signal Generation for ADC Testing.
IEICE Trans. Electron., 2013

Design methodology for determining the number of stages in a cascaded time amplifier to minimize area consumption.
IEICE Electron. Express, 2013

Multi-bit Sigma-Delta TDC Architecture with Improved Linearity.
J. Electron. Test., 2013

Design of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
Proceedings of the 18th Asia and South Pacific Design Automation Conference, 2013

2012
A 65fJ/b Inter-Chip Inductive-Coupling Data Transceivers Using Charge-Recycling Technique for Low-Power Inter-Chip Communication in 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2012

CMOS Circuits to Measure Timing Jitter Using a Self-Referenced Clock and a Cascaded Time Difference Amplifier With Duty-Cycle Compensation.
IEEE J. Solid State Circuits, 2012

Low-Distortion Sinewave Generation Method Using Arbitrary Waveform Generator.
J. Electron. Test., 2012

A clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
Proceedings of the Symposium on VLSI Circuits, 2012

A New Procedure for Measuring High-Accuracy Probability Density Functions.
Proceedings of the 21st IEEE Asian Test Symposium, 2012

Post-Silicon Jitter Measurements.
Proceedings of the 21st IEEE Asian Test Symposium, 2012

Two-Tone Signal Generation for Communication Application ADC Testing.
Proceedings of the 21st IEEE Asian Test Symposium, 2012

A reference-free on-chip timing jitter measurement circuit using self-referenced clock and a cascaded time difference amplifier in 65nm CMOS.
Proceedings of the 17th Asia and South Pacific Design Automation Conference, 2012

Multi-bit sigma-delta TDC architecture with self-calibration.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012

Single inductor dual output DC-DC converter design with exclusive control.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012

Digitally-controlled Gm-C bandpass filter.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012

DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012

2011
Analysis and Techniques for Mitigating Interference From Power/Signal Lines and to SRAM Circuits in CMOS Inductive-Coupling Link for Low-Power 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2011

A 14-GHz AC-Coupled Clock Distribution Scheme With Phase Averaging Technique Using Single LC-VCO and Distributed Phase Interpolators.
IEEE Trans. Very Large Scale Integr. Syst., 2011

Design for Testability That Reduces Linearity Testing Time of SAR ADCs.
IEICE Trans. Electron., 2011

Analysis of jitter accumulation in interleaved phase frequency detectors for high-accuracy on-chip jitter measurements.
Proceedings of the International SoC Design Conference, 2011

An on-chip timing jitter measurement circuit using a self-referenced clock and a cascaded time difference amplifier with duty-cycle compensation.
Proceedings of the IEEE Asian Solid-State Circuits Conference, 2011

2010
Modeling and Experimental Verification of Misalignment Tolerance in Inductive-Coupling Inter-Chip Link for Low-Power 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2010

3-D System Integration of Processor and Multi-Stacked SRAMs Using Inductive-Coupling Link.
IEEE J. Solid State Circuits, 2010

ADC linearity test signal generation algorithm.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010

SAR ADC that is configurable to optimize yield.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010

Stochastic TDC architecture with self-calibration.
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010

2009
A 750 Mb/s, 12 pJ/b, 6-to-10 GHz CMOS IR-UWB Transmitter With Embedded On-Chip Antenna.
IEEE J. Solid State Circuits, 2009

An inductive-coupling link for 3D integration of a 90nm CMOS processor and a 65nm CMOS SRAM.
Proceedings of the IEEE International Solid-State Circuits Conference, 2009

MuCCRA-Cube: A 3D dynamically reconfigurable processor with inductive-coupling link.
Proceedings of the 19th International Conference on Field Programmable Logic and Applications, 2009

2008
A 0.14 pJ/b Inductive-Coupling Transceiver With Digitally-Controlled Precise Pulse Shaping.
IEEE J. Solid State Circuits, 2008

2007
A 1 Tb/s 3 W Inductive-Coupling Transceiver for 3D-Stacked Inter-Chip Clock and Data Link.
IEEE J. Solid State Circuits, 2007

Daisy Chain Transmitter for Power Reduction in Inductive-Coupling CMOS Link.
IEICE Trans. Electron., 2007

2006
A 1Tb/s 3W inductive-coupling transceiver for inter-chip clock and data link.
Proceedings of the 2006 IEEE International Solid State Circuits Conference, 2006


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