Wednesday, March 28, 2012

AMS Verification Interview Questions : ADC/DAC

One of my favorite references for ADC other than a quick look on wikipedia -
http://www.unirioja.es/cu/lzorzano/ABCs_of_ADCs.pdf

Q1. What do you mean by sampling?

Q2. What is quantization?

Q3. How does a ADC/ DAC works?

Q4. Name any one kind of ADC/ DAC that you worked on and explain the working in temrs of a block diagram.

Q5. What should be the relationship between the reference voltage and Input voltage of a SAR ADC?

Q6. Explain any one DAC.

Q7. What is the difference between INL and DNL?

Q8. Do you understand the data sheet of the ADC/DAC given in Design Spec?

Q9. What would be the points to observe on a Top Level Verification simulation output for an ADC or DAC?



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