Multiple choice

A speed signal, band limited to 4 kHz and peak voltage varying between + 5 V and - 5 V, is sampled at the Nyquist rate. Each sample is quantised and represented by 8 bits.

Assuming the signal to be uniformly distributed between its peak to peak value, the signal to noise ratio at the quantiser output is

  1. 16 dB

  2. 32 dB

  3. 48 dB

  4. 4 dB

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation