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An analog front-end (AFE) for Electrocardiogram (ECG) monitoring with built-in compressed sensing (CS) is presented. The CS is incorporated into an array of incremental ADCs, and the power overhead is minimized through segmented CS and dynamic bias control. A decompression technique is also presented to enhance the effective resolution of CS by 1b without degrading the compression ratio (CR). This AFE, fabricated in a 0.11μm CMOS process, compresses data by 78/56% with a 7/8b resolution, and consumes only 9μA from a 1V supply.