A 5-Channel Unipolar Fetal-ECG Readout IC for Patch-Based Fetal Monitoring

Roland van Wegberg,Wim Sijbers,Shuang Song,Arjan Breeschoten,Peter Vis,Mario Konijnenburg,Hui Jiang,Michiel Rooijakkers,Torfinn Berset,Julien Penders,Chris Van Hoof,Nick Van Helleputte

IEEE Solid-State Circuits Letters（2019）

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摘要

This letter presents a 5-channel unipolar fetal electrocardiogram readout IC for monitoring the health of a fetus during pregnancy. Each readout channel includes an instrumentation amplifier, a programable gain amplifier and a successive approximation register ADC. A unipolar, common half branch reuse topology is used to achieve low noise, low power, low crosstalk between the channels high input i...

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关键词

Electrodes,Monitoring,Electrocardiography,Integrated circuits,Impedance,Gain,Power demand

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