Granular Noise

Granular noise occurs when
(a) Step size is too small
(b) Step size is too large
(c) Three is interference from the adjacent channel
(d) Bandwidth is too large
(AMIE, Communication Engineering, Summer 2018)

Answer:
Granular or Idle noise occurs when the step size is too large compared to small variation in the input signal.  This means that for very small variations in the input signal, the staircase signal is changed by a large amount because of large step size.


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