Discussion :: Digital Electronics - Section 1 (Q.No.26)
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26. | A 12 bit ADC is used to convert analog voltage of 0 to 10 V into digital. The resolution is |
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Answer: Option A Explanation:
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Rajkumar said: (Aug 18, 2014) | |
What is the formula used here? |
Dilip N said: (Feb 13, 2015) | |
10/(2^12 - 1) is 0.002442. When you multiply with 1000 we get 2.442? How come it is 2.44m? |
Hareesh Babu said: (Sep 4, 2015) | |
But answer is given by mv that why multiply by 1000. |
Ansu said: (Aug 4, 2016) | |
Because in question, it's given v. |
Sameer said: (Aug 21, 2016) | |
But, the answer should be in the form of mV that's why he multplyed by 1000. |
Deepshikha said: (Jun 20, 2017) | |
Formula used : R=V/(2^n)-1. Where R= resolution. V=voltage. N =bit used. |
Rishi Ram Panth said: (Jul 25, 2017) | |
Thank you so much for all. |
Arun Shunmugam said: (Sep 7, 2017) | |
Thank you all for explaining it. |
Deepak said: (Oct 19, 2017) | |
Why 1000? Explain it. |
Faiyaz said: (Feb 6, 2018) | |
@Deepak. Because option has given in mv. |
Akshata said: (Jun 21, 2019) | |
@All. Why you are multiply by 1000. It is not necessary; 10/2^12-1 = 2.44mv. Formula =E(v)/2^n-1 (n=no of bits). |
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