Discussion :: Exam Questions Paper
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Narrow band FM signal can be represented as
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A.
A cos (2pfct) - βA sin (2pfct) sin (2pfmt)
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B.
A cos (2pfmt) - βA sin (2pfct) sin (2pfmt)
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C.
A cos (2pfct) + βA sin (2pfct) sin (2pfmt)
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D.
A cos (2pfmt) + βA sin (2pfmt) sin (2pfct)
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Answer : Option A
Explanation :
General expression for narrowband FM is
A cos (2pfct) - βA sin (2pfct) sin (2pfmt).
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