The goal of the Guard Patch is to develop a Low-power Long-term Wearable Body Sensor SOC for Wireless Electrocardiogram Monitor. Our team designsimplements a high resolutionlow power bio-signal acquisition chip. The chip is fabricated in a TSMC 0.18 μm standard CMOS process. Based on this chip, we integrate the required circuits into a wearable system module to sense the ECG signal from 

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