Search Results - "Lee, Yongsu"
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1
A 82-nW Chaotic Map True Random Number Generator Based on a Sub-Ranging SAR ADC
Published in IEEE journal of solid-state circuits (01-07-2017)“…An ultra-low power true random number generator (TRNG) based on a sub-ranging SAR analog-to-digital converter (ADC) is proposed. The proposed TRNG is composed…”
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2
Toward all-day wearable health monitoring: An ultralow-power, reflective organic pulse oximetry sensing patch
Published in Science advances (01-11-2018)“…Pulse oximetry sensors have been playing a key role as devices to monitor elemental yet critical human health states. Conventional pulse oximetry sensors,…”
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3
A 4.9 mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System
Published in IEEE journal of solid-state circuits (01-01-2015)“…A mobile electrical impedance tomography (EIT) IC is proposed for early breast cancer detection personally at home. To assemble the entire system into a simple…”
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4
A 1.4-m \Omega -Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System
Published in IEEE journal of solid-state circuits (01-11-2017)“…A wearable electrical impedance tomography (EIT) system is proposed for the portable real-time 3-D lung ventilation monitoring. It consists of two types of…”
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5
Dual-channel P-type ternary DNTT–graphene barristor
Published in Scientific reports (12-11-2022)“…P -type ternary switch devices are crucial elements for the practical implementation of complementary ternary circuits. This report demonstrates a p -type…”
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6
Area and Device Count Efficient Binary Logic Circuits using Anti‐Ambipolar Switch Devices
Published in Advanced electronic materials (01-08-2024)“…The unique characteristics of an anti‐ambipolar switch (AAS) device exhibit Λ‐shaped transfer responses (namely delta conductance) and present unique…”
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7
A Wearable EEG-HEG-HRV Multimodal System With Simultaneous Monitoring of tES for Mental Health Management
Published in IEEE transactions on biomedical circuits and systems (01-12-2015)“…A multimodal mental management system in the shape of the wearable headband and earplugs is proposed to monitor electroencephalography (EEG),…”
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8
Implementation of mmWave long‐range backhaul for UAV‐BS
Published in ETRI journal (01-10-2023)“…Uncrewed aerial vehicles (UAVs) have become a vital element in nonterrestrial networks, especially with respect to 5G communication systems and beyond. The use…”
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9
Gamma-Irradiation-Induced Electrical Characteristic Variations in MoS2 Field-Effect Transistors with Buried Local Back-Gate Structure
Published in Nanomaterials (Basel, Switzerland) (07-08-2024)“…The impact of radiation on MoS2-based devices is an important factor in the utilization of two-dimensional semiconductor-based technology in…”
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10
Copper-graphene heterostructure for back-end-of-line compatible high-performance interconnects
Published in NPJ 2D materials and applications (12-04-2021)“…Here, we demonstrate the fabrication of a Cu-graphene heterostructure interconnect by the direct synthesis of graphene on a Cu interconnect with an enhanced…”
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11
Facile process to clean PMMA residue on graphene using KrF laser annealing
Published in AIP advances (01-10-2018)“…Persistent PMMA residue formed during a graphene transfer has been a culprit in the optimization of graphene device performance. We demonstrated a facile…”
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12
Sticker-Type Hybrid Photoplethysmogram Monitoring System Integrating CMOS IC With Organic Optical Sensors
Published in IEEE journal on emerging and selected topics in circuits and systems (01-03-2017)“…A sticker-type system with hybrid integration of CMOS IC and organic optical sensors is proposed to monitor photoplethysmogram (PPG) signals. To solve problems…”
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13
Highly Enhanced Performance of Network Channel Polysilicon Thin-Film Transistors
Published in IEEE electron device letters (01-02-2017)“…This letter presents the electrical characteristics of newly proposed network-channel low-temperature polysilicon channel (LTPS) thin-film transistors (TFTs)…”
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14
Demonstration of p-type stack-channel ternary logic device using scalable DNTT patterning process
Published in Nano convergence (09-03-2023)“…A p -type ternary logic device with a stack-channel structure is demonstrated using an organic p -type semiconductor, dinaphtho[2,3- b :2',3'- f ]thieno[3,2- b…”
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15
A 79 pJ/b 80 Mb/s Full-Duplex Transceiver and a 42.5\;\upmu\text 100 kb/s Super-Regenerative Transceiver for Body Channel Communication
Published in IEEE journal of solid-state circuits (01-01-2016)“…A low-energy 40/160 MHz dual-band full duplex body channel communication (BCC) transceiver and a 13.56 MHz R-C oscillator-based super-regenerative transceiver…”
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16
A 540- \mu\text Duty Controlled RSSI With Current Reusing Technique for Human Body Communication
Published in IEEE transactions on biomedical circuits and systems (01-08-2016)“…An ultra-low-power duty controlled received signal strength indicator (RSSI) is implemented for human body communication (HBC) in 180 nm CMOS technology under…”
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17
Impact of geometrical parameters on the electrical performance of network-channel polycrystalline silicon thin-film transistors
Published in Japanese Journal of Applied Physics (01-10-2018)“…The effects of geometrical parameters on the electrical characteristics of network-channel low-temperature polycrystalline silicon (LTPS) thin-film transistors…”
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18
A 82nW chaotic-map true random number generator based on sub-ranging SAR ADC
Published in ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference (01-09-2016)“…An ultra-low power true random number generator (TRNG) based on sub-ranging SAR ADC is proposed. The proposed TRNG shares the coarse-ADC circuit with…”
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Conference Proceeding -
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Tunable AC/DC converter using graphene-germanium barristor based half-wave rectifier
Published in AIP advances (01-09-2019)“…Tunable DC voltage control circuit based on a half-wave rectifier was developed using a graphene–germanium barristor. The output DC voltage level could be…”
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20
A 0.54-mW duty controlled RSSI with current reusing technique for human body communication
Published in 2015 IEEE International Symposium on Circuits and Systems (ISCAS) (01-05-2015)“…A low power adaptive controlled current-reusing received signal strength indicator (RSSI) is proposed for the human body communication (HBC). The proposed RSSI…”
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Conference Proceeding