Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 11 (Q.No. 35)
35.
Consider the frequency modulated signal 10 cos (2p x 105t + 5 sin (2p x 1500t) + 7.5 sin (2p x 1000t) with carrier frequency of 105Hz. The modulation index is
Answer: Option
Explanation:
Total frequency deviation = 5 x 1500 + 7.5 x 1000 = 15000
Thus modulation index = 
.
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