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We measure the performance of a telephone line (4 KHz of
bandwidth). When the signal is 20 V, the noise is 6 mV.
What is the maximum data rate supported by this telephone
line?

Question Posted / hina_liaquat04@yahoo.com

Answers were Sorted based on User's Feedback



We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / zeeshan ali hirani

Capacity=B*log2(1+SNR)=
4000 * (log(1 + (20 / 0.006)) / log(2)) = 46 812.7305 bps

Is This Answer Correct ?    76 Yes 17 No

We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / shikamaru

Ans 4,000 log2 (1 + 10 / 0.005) = 43,866 bps

Is This Answer Correct ?    22 Yes 7 No

We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / vikas chauhan

snr = sig power/noise power
snr = 20Vsq / 6mVsq
and use the formula

Is This Answer Correct ?    4 Yes 0 No

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