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ECE · Q222

Communication Systems

Engineering and GATE · ECE · question 222

Q222

A message signal m(t) = Amsin(2πfmt) is used to modulate the phase of carrier Accos(2πfct) to get the modulated signal y(t) = Accos(2πfct + m(t)). The bandwidth of y(t)

A.
depends of Am but not on fm
B.
depends of fm but not on Am
C.
depends of Am and fm
Answer
D.
does not depends on Am or fm

Answer: Option C

Solution

Answer: Option C
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