Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 3 (Q.No. 4)
4.
The resolution of a 4 bit counting ADC is 0.5 volts. For an analog input of 6.6 volts, the digital output of the ADC will be
Answer: Option
Explanation:
Resolution = 
⇒ 
= 0.5
2n = 14 = (1110)
n = 4 bits.
Discussion:
2 comments Page 1 of 1.
Bharath Namakkal said:
8 years ago
=6.6/0.5
=13.2
13.2 is greater than 13
13.2>13.
Answer 14.
14 digital o/p to 1110 (8421)
Anws =1110.
=13.2
13.2 is greater than 13
13.2>13.
Answer 14.
14 digital o/p to 1110 (8421)
Anws =1110.
(2)
Suchi said:
9 years ago
I think it's 6.6/((2^n)-1) = 0.5.
(2)
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