A compact QRS detection system based on 0.79 μW analog CMOS energy-of-derivative circuit
We propose a novel QRS detection system consisting of compact and low-power blocks: an
analog energy-of-derivative operator, comparator, and a refractory period timer. The goal is
to offer a mixed-signal alternative to mainstream algorithmic QRS-detection techniques
reducing both the overall power consumption and silicon area in wearable or implantable
ECG processing systems. Circuit design, simulations, and tests are performed with the 0.18
μm CMOS process. The system performance is evaluated by identifying QRS complexes in a …
analog energy-of-derivative operator, comparator, and a refractory period timer. The goal is
to offer a mixed-signal alternative to mainstream algorithmic QRS-detection techniques
reducing both the overall power consumption and silicon area in wearable or implantable
ECG processing systems. Circuit design, simulations, and tests are performed with the 0.18
μm CMOS process. The system performance is evaluated by identifying QRS complexes in a …
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