If the bandwidth is increased by 2, the ?FM ?AM (where ? is the ratio of SNR of output to SNR at input, FM is frequency modulation and AM is amplitude modulation) is increased by a factor of
Options
A. 2
B. 3
C. 4
D. 6
Correct Answer
4
Explanation
Doubling of frequency increase SNR in frequency modulation by 4. It has no effect in AM.
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