Electronics and Communication Engineering - Digital Electronics - Discussion

2. 

What will be conversion rate for a counter type A/D converter contains a 4 bit binary ladder and a counter driven by a 2 MHz clock. Then conversion time

[A]. 125
[B]. 125 x 103
[C]. 125 x 106
[D]. None

Answer: Option B

Explanation:

No answer description available for this question.

Regin said: (Feb 23, 2017)  
How? Please explain.

Danish said: (Apr 23, 2017)  
conversion time= (2^n - 1)/fclk.

So, 7.5 micro seconds is the correct answer. D is correct.

Parashu.Kn said: (Nov 4, 2017)  
correct answer is,

CONVERSION TIME = 2^4/2*10^6.
= 8 MICRO SECOND.

CONVERSION RATE = 1/8*10^-6.
= 125 killo/SEC.
So answer is D.

Ajay said: (Mar 17, 2018)  
Conversion time= frequecy/2^(n-1);
where n= number of bits
=>ct=2X10^6/2^3:since n=4;
=>ct=125 X 10^3.

Tanaya said: (Oct 14, 2019)  
Conversion rate = clock rate/2^n, where n=number of bits.
Which implies, conversion rate= 2 X (10^6)/2^4.
i.e (10^6)/8 => 125 X 10^3 seconds.
Therefore, Answer = B.

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