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This paper discusses a novel approach to enhance the performance of ΣΔ ADCs for continuous ECG monitoring by scaling the reference voltage of the DAC to reduce quantization noise and improve signal-to-noise ratio (SNR). The proposed design utilizes a second-order cascade-of-integrators with distributed feedback ΣΔ modulator, achieving an effective number of bits (ENOB) of around 11-bits for low-amplitude signals while maintaining low power consumption. The implementation in UMC 180 nm CMOS technology demons

Author

harshavrdhan18

Language

EN