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This study was aimed to design an electrocardiograph (ECG) system by the 0.35 μm CMOS technology. In this study, a two-stage operational amplifier was taken as the building block for the design of instrumentation amplifier and filters. In our measurement, excellent performance was verified by the fabricated chips.
This study proposes an integrated analog measuring interface IC chip module used for portable personal healthcare electrocardiograph (ECG) system by considering factors of chip size, weight, portability, and fabrication simplicity. An instrumentation amplifier with an active DC suppression feedback, a “driven right leg (DRL)” circuit, and an on-chip active low-pass filter (LPF) are included. The chip...
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