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Communication Systems

Q1:

In TV transmitter some possible advantages of IF modulation are
  1. The modulator section and visual exciter can be solid state devices
  2. VSB filter can be introduced at low power level
  3. The subsequent stages following VSB filter can be tuned permanently for wideband linear operation
  4. It is economical
which of the above are true?

A 1 and 2

B 1, 2 and 3

C 2, 3 and 4

D 1, 2, 3 and 4

ANS:D - 1, 2, 3 and 4

No answer description is available. 



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