High-Pass Sigma–Delta Modulator With Techniques of Operational Amplifier Sharing and Programmable Feedforward Coefficients for ECG Signal Acquisition
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DOI: 10.1109/tbcas.2021.3082545
Abstract: A high-pass sigma–delta modulator (HPSDM) is proposed for electrocardiography (ECG) signal acquisition system. The HPSDM is implemented using operational amplifier (op-amp) sharing and programmable feedforward coefficients. The op-amp sharing is adopted to reduce the quantity… read more here.
Keywords: feedforward coefficients; sigma delta; hpsdm; programmable feedforward ... See more keywords