Question

Which of the following expressions give the SNR at the output of ADC?

a.

SNR=6.02*B+1.76+10log(fs/2fmax)

b.

SNR=6.02*B+1.76+10log(2fmax/fs)

c.

SNR=12.04*B+1.76+10log(2fmax/fs)

d.

SNR=6.02*B+1.76

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Answer: (a).SNR=6.02*B+1.76+10log(fs/2fmax) Explanation:SNR=6.02*B+1.76+10log(fs/2fmax) is the expression for SNR at the output of ADC. B is the number of bits. fs is the sampling frequency. fmax is the maximum frequency component of the signal.

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Q. Which of the following expressions give the SNR at the output of ADC?

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