Search Results - "George, Arup K."

A 1.0 V, 5.4 pJ/bit GFSK Demodulator Based on an Injection Locked Ring Oscillator for Low-IF Receivers by Hong, Soonyoung, George, Arup K., Im, Donggu, Je, Minkyu, Lee, Junghyup

“…This paper presents an ultra-low power, low cost demodulator for gaussian frequency shift keying (GFSK) receivers that use low intermediate frequencies (IF)…”
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An Ultra-Low-Noise Swing-Boosted Differential Relaxation Oscillator in 0.18-μm CMOS by Lee, Junghyup, George, Arup K., Je, Minkyu

“…This article presents an ultra-low-noise differential relaxation oscillator that achieves a phase noise figure of merits (FoMs) of 157.7 and 162.1 dBc/Hz,…”
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A 46-nF/10-MΩ Range 114-aF/0.37-Ω Resolution Parasitic- and Temperature-Insensitive Reconfigurable RC-to-Digital Converter in 0.18-μm CMOS by George, Arup K., Shim, Wooyoon, Kung, Jaeha, Kim, Ji-Hoon, Je, Minkyu, Lee, Junghyup

“…This paper presents a 46 nF/10 <inline-formula> <tex-math notation="LaTeX">\text{M}\Omega </tex-math></inline-formula>-range, digital-intensive, reconfigurable…”
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A 1V 136.6dB-DR 4kHz-BW \Delta\Sigma Current-to-Digital Converter with a Truncation-Noise-Shaped Baseline-Servo-Loop in 0.18\mu\mathrm$ CMOS by Seol, Taeryoung, Lee, Sehwan, Kim, Geunha, Kim, Samhwan, Kim, Euiseong, Baik, Seungyeob, Kung, Jaeha, Choi, Ji-Woong, George, Arup K., Lee, Junghyup

“…Precise current measurements underpin emerging applications such as photoplethysmography (PPG), electrochemical sensing, and fast-scan cyclic voltammetry…”
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A 3.3-to-11V-Supply-Range 10μW/Ch Arbitrary-Waveform-Capable Neural Stimulator with Output-Adaptive-Self-Bias and Supply-Tracking Schemes in 0.18μm Standard CMOS by Wie, Jeongyoon, Jung, Sangwoo, Seol, Taeryoung, Kim, Geunha, Lee, Sehwan, Jang, Homin, Kim, Samhwan, Shin, Yeonjae, Jang, Jae Eun, Kung, Jaeha, George, Arup K., Lee, Junghyup

“…Neurostimulation has emerged as the cornerstone that enables closed-loop brain-machine interfaces and targeted treatments for many neurological disorders…”
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A 0.8 V Supply- and Temperature-Insensitive Capacitance-to-Digital Converter in 0.18- \mu \text CMOS by George, Arup K., Junghyup Lee, Zhi Hui Kong, Minkyu Je

“…A low-voltage, low-power, capacitance-to-digital converter (CDC) that is insensitive to supply and temperature variations is presented in this paper. The CDC…”
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A 97dB-PSRR 178.4dB-FOMDR Calibration-Free \text-\mathrm ADC Using a PVT-Insensitive Frequency-Locked Differential Regulation Scheme for Multi-Channel ExG Acquisition by Lee, Sehwan, Seol, Taeryoung, Kim, Geunha, Song, Minyoung, Kim, Gain, Yoon, Jong-Hyeok, George, Arup K., Lee, Junghyup

“…This paper proposes a 97dB-PSRR, 178.4dB-FOM DR calibration-free 16-channel \text{VCO}-\Delta\Sigma ADC system using a PVT-insensitive frequency-locked…”
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A 2.54μJ∙ppm2-FOMS Supply- and Temperature-Independent Time-Locked ΔΣ Capacitance-to-Digital Converter in 0.18-μm CMOS by Baik, Seungyeob, Seol, Taeryoung, Lee, Sehwan, Kim, Geunha, Cho, SeongHwan, George, Arup K., Lee, Junghyup

“…In this paper, we propose a time-locked ΔΣ CDC (TLΔΣ CDC) that achieves the state-of-the-art FOMS=2.54µJ∙ppm 2 , supply sensitivity of ±0.55%/V over 1.2-2.2V…”
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A 0.8 V Supply- and Temperature-Insensitive Capacitance-to-Digital Converter in 0.18-[Formula Omitted] CMOS by George, Arup K, Lee, Junghyup, Zhi Hui Kong, Je, Minkyu

“…A low-voltage, low-power, capacitance-to-digital converter (CDC) that is insensitive to supply and temperature variations is presented in this paper. The CDC…”
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32.4 A 1V-Supply 1.85\mathrm} -Input-Range 1kHz-BW 181.9dB-FOMDR179.4dB-FOMSNDR 2nd-Order Noise-Shaping SAR-ADC with Enhanced Input Impedance in 0.18μm CMOS by Kim, Geunha, Lee, Sehwan, Seol, Taeryoung, Baik, Seungyeob, Shin, Yeonjae, Kim, Gain, Yoon, Jong-Hyeok, George, Arup K., Lee, Junghyup

“…Wearable devices rely on accurately read bio-potentials such as ECG, EEG, EMG, and EOG (ExG) to track health. Specifications-wise, such a system requires an…”
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33.11 A Hybrid Recording System with 10kHz-BW 630mVPP 84.6dB-SNDR 173.3dB-FOMSNDR and 5kHz-BW 114dB-DR for Simultaneous ExG and Biocurrent Acquisition by Seol, Taeryoung, Kim, Geunha, Lee, Sehwan, Kim, Samhwan, Kim, Dongwook, Wie, Jeongyoon, Shin, Yeonjae, Kang, Hongki, Jang, Jae Eun, George, Arup K., Lee, Junghyup

“…As the precise acquisition of continuous ExG (ENG, ECG, etc.) and biocurrent (chemical, PPG, etc.) signals provides further insights into chronic health…”
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A 0.7V 17fJ/Step-FOMW 178.1dB-FOMSNDR 10kHz-BW 560mVPP True-ExG Biopotential Acquisition System with Parasitic-Insensitive 421MΩ Input Impedance in 0.18μm CMOS by Lee, Sehwan, Choi, Yoonsung, Kim, Geunha, Baik, Seungyeob, Seol, Taeryoung, Jang, Homin, Lee, Doyoung, Je, Minkyu, Choi, Ji-Woong, George, Arup K., Lee, Junghyup

“…Insights derived from epidemiological studies on the ExG (ECG, EEG, ENG, etc.) biopotentials can shed light on the underlying mechanisms of several chronic…”
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A 110dB-CMRR 100dB-PSRR multi-channel neural-recording amplifier system using differentially regulated rejection ratio enhancement in 0.18μm CMOS by Lee, Sehwan, George, Arup K., Lee, Taeju, Chu, Jun-Uk, Han, Sungmin, Kim, Ji-Hoon, Je, Minkyu, Lee, Junghyup

“…Multi-channel neural-recording amplifier systems have evolved into the method of choice for analyzing neurophysiological behavior, and are leading to a deeper…”
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A Monolithically Integrated Pressure/Oxygen/Temperature Sensing SoC for Multimodality Intracranial Neuromonitoring by Wai Pan Chan, Narducci, Margarita, Yuan Gao, Ming-Yuan Cheng, Jia Hao Cheong, George, Arup K., Daw Don Cheam, Siew Chong Leong, Damalerio, Maria Ramona B., Ruiqi Lim, Ming-Ling Tsai, Rahman, Abdur R. A., Mi Kyoung Park, Zhi Hui Kong, Prashanth, Rao Jai, Minkyu Je

“…A fully integrated SoC for multimodality intracranial neuromonitoring is presented in this paper. Three sensors including a capacitive MEMS pressure sensor, an…”
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A 1 V 2.5 μW fully-differential ASK demodulator with 12.5 pJ/bit FOM for ultra-low power biomedical applications by Seungyeob Baik, George, Arup K., Minkyu Je, Junghyup Lee

“…Wireless transceivers that receive data and power are important circuit blocks in implantable biomedical devices. In such wirelessly powered devices, supply…”
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An ultra-low-noise differential relaxation oscillator based on a swing-boosting scheme by Lee, Junghyup, George, Arup K., Je, Minkyu

“…This paper presents an ultra-low-noise differential relaxation oscillator implemented in a 0.18-pm standard CMOS process. The proposed oscillator having output…”
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A 114-AF RMS- Resolution 46-NF/10-MΩ -Range Digital-Intensive Reconfigurable RC-to-Digital Converter with Parasitic-Insensitive Femto-Farad Baseline Sensing by George, Arup K., Wooyoon Shim, Minkyu Je, Junghyup Lee

“…This paper presents a digital-intensive dynamically reconfigurable RC-to-digital converter with an input range of 46 nF/10 MΩ, suitable for reading out R or C…”
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CMOS-MEMS capacitive sensors for intra-cranial pressure monitoring: Sensor fabrication & system design by George, A. K., Wai Pan Chan, Narducci, M. S., Zhi Hui Kong, Minkyu Je

“…Low-frequency variation of intracranial pressure (ICP) is a key indicator determining the successful outcome of a patient, subjected to traumatic brain injury…”
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A pressure/oxygen/temperature sensing SoC for multimodality intracranial neuromonitoring by Wai Pan Chan, George, Arup K., Narducci, Margarita Sofia, Daw Don Cheam, Siew Chong Leong, Ming-Lin Tsai, Rahman, Abdur R. A., Mi Kyoung Park, Zhi Hui Kong, Rao, Jai Prashanth, Yuan Gao, Minkyu Je

“…A fully integrated SoC for multimodality intracranial neuromonitoring is presented. This SoC includes a capacitive MEMS pressure sensor, an electrochemical…”
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