GATE EE 2016 Digital Electronics Q 5 - Grad Plus
GATE EE 2016 Digital Electronics Q 5

GATE EE 2016 Digital Electronics Q 5

A temperature in the range of -40oC to 55oC is to be measured with a resolution of 0.1oC. The minimum number of ADC bits required to get a matching dynamic range of the temperature sensor is

(a) 8

(b) 10

(c) 12

(d) 14

Ans: (b)

Explanation

Temperature range of -40oC to 55oC.

Hence, total range in 95oC.

Given resolution is 0.1oC.

So number of steps will be, (95/0.1)=950

For 950 steps we need at least 10 bits.

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