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Radio Receivers - Engineering

Q1:

A communication channel with additive white Gaussian noise, has a bandwidth of 4 kHz and an SNR of 15. Its channel capacity is

A 1.6 kbps

B 16 kbps

C 32 kbps

D 256 kbps

ANS:B - 16 kbps

C = B log2(1+S/N) = 4 log2(1+15) = 4x4 = 16.