# Relationship between quantisation noise and bandwidth

### Noise Spectral Density: A New ADC Metric? | Analog Devices

Quantization Noise. Quantization is the mapping of a range of analog voltage to a single value. Staircase curve of a . Bandwidth of the Quantized ADC output. Quantization noise power distributed uniformly across Nyquist bandwidth Noise is aliased into the Nyquist band –fs /2 to fs /2. 2. 2 e Quantize the difference signal rather than the signal itself. • Smaller Input Signal Bandwidth. B=fs /2M. which is less than the uncertainty in gray level due to noise in the detector system . . However, if the difference between quantization steps (i.e., the width We now extend the discussion to consider the concepts of signal bandwidth and.

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