electrocardiography (ECG)

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A Fully Integrated Wireless Multimodal Biosensing System-on-Chip for Stress Monitoring

A Fully Integrated Wireless Multimodal Biosensing System-on-Chip for Stress Monitoring 150 150
Author(s): Min-Hua Chang, Lin Chou, Yen-Jen Liu, Chen-Hsing Hsu, Ying-Yu Yang, Bo-Cheng Juan, Guan-Yu Lin, Yi-Jie Lin, Yao-Wei Huang, An-Ting Teng, Chun-Wei Chiu, Yi-Chen Hsiao, Yen-Yu Chen, Nitish Kumar, Shu-Ping Lin, Yu-Te Liao

Abstract:

A fully integrated multimodal biosensing system-on-chip (SoC) for stress monitoring is presented. The proposed SoC integrates electrocardiography (ECG), electrochemical (ECH), photoplethysmography (PPG), and galvanic skin response (GSR) sensing together with an on-chip transmitter (TX), wake-up receiver (WuRX), and power-management unit (PMU) for compact, standalone operation. ECG and ECH share a …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3729275
Publisher: IEEE

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A 3.47 NEF 175.2-dB FoMs Direct Digitization Front-End Featuring Delta Amplification Noise-Shaping SAR ADC for Biosignal Acquisition

A 3.47 NEF 175.2-dB FoMs Direct Digitization Front-End Featuring Delta Amplification Noise-Shaping SAR ADC for Biosignal Acquisition 150 150
Author(s): Kyeongwon Jeong, Can Livanelioglu, Jiawei Liao, Inhee Lee, Taekwang Jang

Abstract:

This article presents a direct-digitization interface for ExG bio-signals’ readout that simultaneously achieves a high dynamic range (DR) and a low noise-efficiency factor (NEF). The proposed delta amplification (DA) and feedback cancellation technique reduce both the input and output ranges of the first amplifier, thus allowing the use of a …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3685168
Publisher: IEEE

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