Download Aptitude Crack
img not found img not found

Communication Systems

Q1:

The equation v(t) = A cos [ωct + φ(t)] where A and ωc are constant and φ(t) is a function of base signal represents
  1. Phase modulation
  2. Amplitude modulation
  3. Angle modulation
  4. Frequency modulation
Which of the above are true?

A 3 only

B 1, 3 and 4

C 1, 2, 3, 4

D 3 and 4 only

ANS:B - 1, 3 and 4

This equation can represent frequency, angle and phase modulation.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.