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A4 9m Ω-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-
一款用于早期乳腺癌检测的移动电阻抗断层成像IC，灵敏度达4.9mΩ。
0.18µm CMOS, 2.5×5mm, 53.4mW, 4.9mΩ灵敏度
电阻抗断层成像乳腺癌检测移动医疗低噪声放大器电流刺激器
▸多层织物电路板集成90个EIT电极和2个参考电极
▸差分正弦电流刺激器(DSCS)实现低失真可编程电流注入
▸6通道电压传感放大器自适应增益控制(最高60dB)
Abstract
A mobile electrical impedance tomography (EIT)
IC is proposed for early breast cancer detection personally at
home. T o assemble the entire system into a simple brassiere shape,
EIT IC is integrated via a multi-layered fabric circuit board
which includes 90 EIT electrodes and two reference electrodes for
current stimulation and voltage sensing .T h eI Cs u p p o r t st h r e e
operating modes; gain scanning, contact impedance monitoring,
and EIT modes for the clear EIT image. A differential sinu