Electronics and Communication Engineering - Communication Systems - Discussion
Discussion Forum : Communication Systems - Section 2 (Q.No. 9)
9.
If transmission bandwidth is doubled in FM, SNR is
Answer: Option
Explanation:
SNR changes in the ratio of square of change in bandwidth.
Discussion:
18 comments Page 1 of 2.
Nikunj said:
9 years ago
S/N is directly proportional to Bandwidth.
So, the answer should be B.
So, the answer should be B.
Vishu gupta said:
9 years ago
Yes, the answer should be B.
Devendra said:
9 years ago
Yes, the answer should be B.
SWETHA said:
9 years ago
Yes, I too agree the answer should be B.
Pankaj said:
9 years ago
@Nikunj please explain with formulae.
Swastik Sahoo said:
9 years ago
SNR in FM is :- 3/2 (mf)^2.
Modulation index is directly proportional to BW.
So, as BW is doubled, SNR will increase 4 times.
Modulation index is directly proportional to BW.
So, as BW is doubled, SNR will increase 4 times.
Eng.mohammed said:
8 years ago
Yes, the answer should be B. Because B.W is doubled SNR increase 4 time.
Asif said:
8 years ago
Yes, increasing deviation improve noise performance.
Ayush kumar said:
8 years ago
Answer will be B because SNR is directly proportional to square of the bandwidth.
Kshitij khandelwal said:
8 years ago
Yes, answer should be B. Since the S/N is directly proportional to B.W.
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