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Question

A sinusoidal message signal is uniformily quantized by a 6-bit quantizer. The signal-to-quantization noise ratio at the output of the quantizer is equal to _______dB.
  1. 37.88

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Solution

The correct option is A 37.88
For sinusoidal message signal,
[SQNR]dB=6.02n+1.76dB
n= number of bits/ sample = 6
So, [SQNR]dB=(6.02×6)+1.76=37.88dB

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