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Communication Systems

Q1: Consider the following statements in amplitude modulation
  1. The harmonic and intermodulation distortion may occur in audio and RF amplifiers
  2. The sum and difference frequencies are present in the output of mixer
  3. The diode detector has audio frequencies in its output
  4. A balanced modulator cannot produce an AM with suppressed carrier
Which of the above are true?

A 1, 2, 3, 4

B 1, 2, 3

C 1, 2

D 3, 4

ANS:B - 1, 2, 3

No answer description is available.



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