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该论文提出了一种用于3D肺通气监测的电气阻抗断层扫描(EIT) SoC及48通道集线器SoC，实现了1.4mΩ灵敏度和94dB动态范围，解决了3D EIT中布线复杂、噪声大及电极接触变化等设计挑战。
ventilation because it is the only real-time lung imaging method without large equipment [1-2]. However, previous EIT systems just provided 2D cross-sectional image with limited spatial information of the lung and unneglectable volume detection error depending on the location of 2D EIT belt relative to the patient’s lung. In spite of its importance, the 3D-EIT has not been realized in lung monitoring because it has many design challenges such as noises incurred by complicated wiring, long cable length, wide variation in electrode contact and signal, and large personal-to-person impedance variation. In this paper, we present a portable 3D-EIT SoC for real-time lung ventilation monitoring with following 5 features: 1) The active electrodes (AEs) system to reduce coupling
Minseo Kim, Hyunki Kim, Jaeeun Jang, Jihee Lee, Jaehyuk Lee,
Jiwon Lee, Kyungrog Lee, Kwantae Kim, Yongsu Lee, Hoi-jun Yoo KAIST, Daejeon, Korea Electrical impedance tomography (EIT) has been studied to monitor lung