GATE 2023 EC – Question 31
The signal-to-noise ratio (SNR) of an ADC with a full-scale sinusoidal input is given to be 61.96 dB. The resolution of the ADC is ________ bits (rounded off to the nearest integer).
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Correct answer: 10
Explanation
For a full-scale sinusoid, SNR $=6.02N+1.76$ dB. So $N=\dfrac{61.96-1.76}{6.02}=10$ bits.