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ECE · Q144

Digital Communication

Engineering and GATE · ECE · question 144

Q144

The temperature at a particular place varies between 14°C and 34°C. For the purpose of transmitting the temperature record of that place using PCM, the record is sampled at an appropriate sampling rate and the samples are quantized. If the error in representation of the samples due to quantization is not to exceed ±1% of the dynamic range, what is the minimum number of quantization levels that can be used?

A.
100
B.
50
Answer
C.
30
D.
15

Answer: Option B

Solution

Answer: Option B
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