Fig. 16
From: Design of low power energy efficient sigma-delta ADC for biomedical IoT applications
a Relationship between the signal-to-noise ratio (SNR) and the oversampling ratio (OSR) for different orders in a \(\Sigma\)-\(\Delta\) modulator. b Power Spectra of the \(\Sigma\)-\(\Delta\) modulator using a \(2^{14}\)-point FFT for an input signal at 201 Hz.
