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Communication Systems - Engineering

Q1:

Consider the draw backs
  1. Slope overload
  2. Serration noise
  3. Granular noise
Which of these draw backs does Delta modulation have?

A 1 and 2 only

B 2 and 3 only

C 1 and 3 only

D 1, 2, 3

ANS:C - 1 and 3 only

In delta modulation the, recovered waveform may be dc whereas the original signal is not dc. This noise is called granular noise.