Digital Electronics - Interfacing to the Analog World - Discussion
Discussion Forum : Interfacing to the Analog World - General Questions (Q.No. 35)
35.
An analog quantity varies from 0–7 V and is input to a 6-bit A/D converter. What analog value is represented by each step on the digital output?
Discussion:
5 comments Page 1 of 1.
Mushtaq Ahmad said:
7 years ago
Here full-scale output voltage=7.
Step size=full scale output voltage/2powern-1,
Step size=7/64-1=.1111.
Step size=full scale output voltage/2powern-1,
Step size=7/64-1=.1111.
Shahzad said:
8 years ago
Correct Answer is (C):
Step size = Range/2^n.
Step Value = 7/64 = 0.109.
Step size = Range/2^n.
Step Value = 7/64 = 0.109.
Meenu said:
9 years ago
Analog value for each step o/p = Vref/2n - 1.
= 7/64 - 1 = .111.
= 7/64 - 1 = .111.
Sang said:
9 years ago
@Sukhpreet Singh.
How did you say it is 0.109? Please explain.
How did you say it is 0.109? Please explain.
Sukhpreet Singh said:
9 years ago
According to me, the right answer is C) 0.109 v.
If I'm wrong then please explain.
If I'm wrong then please explain.
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