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Communication Systems - Engineering

Q1:

In TV transmitter, visual exciter may consist of
  1. Video processing unit
  2. Visual modulator
  3. VSB filter
  4. Delay equaliser
  5. Frequency converter
Which of the above are actually a part of visual exciter?

A 1, 2 and 3

B 2, 3 and 4

C 1, 2, 3 and 4

D 1, 2, 3, 4 and 5

ANS:D - 1, 2, 3, 4 and 5

All these are part of visual exciter.