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The signal to noise ratio for a voice grade line is...

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The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

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Correct Answer: Option D
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2 Comments
Raneem Hazem
Raneem Hazem 5 years ago
Can you explain please
Tech Info
Tech Info 7 years ago
aximum bit rate = Bandwidth*log(1+S/N).
Log base is not said. So taken as 2.

S/n = 1023/1.
Bw = 4300-300.

Maximum bit rate = 4000*log(1 = 1023).
= 4000*10 = 40000 bps.

So the answer will be none of this.
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