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ECE · Q63

Communication Systems

Engineering and GATE · ECE · question 63

Q63

The narrow band FM signal is 10cos(2π1000t + 0.2sin(2π100t)) what is instantaneous frequency:

A.
1000 + 20cos(2π100t)
Answer
B.
2000 + 10cos(2π100t)
C.
1000 +10sin(2π100t)
D.
2cos(2π100t)

Answer: Option A

Solution

Answer: Option A
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