SIGNALLING

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  • Created by: Pro
  • Created on: 14-05-13 19:01

Analouge & Digital Signals

Analouge signals vary continuously 

Digital signals are represented by binary numbers

Advantages of Analouge Signals:-

  • They vary over a huge range of frequency and loudness
  • No AD (Analouge to Digital) devices required

Disadvantages of Analouge Signals:-

  • Prone to picking up noise
  • Noise causes extra random unwanted variation
  • Amplifying the signal

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