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A continuous-time (CT) bandpass sigma-delta modulation based closed-loop interface implemented with an innovative chargeto-voltage (C/V) converter is proposed in this paper. Compared to conventional CT closed-loop implementations with large feedback resistors to settle the input common mode (CM) voltage of the amplifier within the C/V converter, the proposed C/V converter with reset is simple and has an area advantage. Additionally, it contributes adequate phase shift to eliminate thedoi:10.1016/j.proeng.2015.08.771 fatcat:obuinmvkwrgsxbne3xx5nsjbpm