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MCQs

Total Questions : 170 | Page 3 of 17 pages
Question 21. Which of the following represents over sampling DAC?
  1.    PWM DAC
  2.    Delta-sigma DAC
  3.    Binary weighted DAC
  4.    Switched resistor DAC
 Discuss Question
Answer: Option B. -> Delta-sigma DAC
Answer: (b).Delta-sigma DAC
Question 22. Which of the following is a binary weighted DAC?
  1.    R-2R ladder DAC
  2.    PWM DAC
  3.    Switched resistor DAC
  4.    Sampling DAC
 Discuss Question
Answer: Option A. -> R-2R ladder DAC
Answer: (a).R-2R ladder DAC
Question 23. Segmented DAC uses _________________
  1.    Thermometer coded principle conversion only
  2.    Binary weighted principle only
  3.    Both thermometer coded and Binary weighted principle
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Both thermometer coded and Binary weighted principle
Answer: (c).Both thermometer coded and Binary weighted principle
Question 24. Dynamic range is expressed in ________________
  1.    Volts
  2.    Ampere
  3.    Hz
  4.    Decibel
 Discuss Question
Answer: Option D. -> Decibel
Answer: (d).Decibel
Question 25. Ability of analog output to move only in the direction of digital input move is known as ________________
  1.    Monotonicity
  2.    Resolution
  3.    Sampling rate
  4.    Dynamicity
 Discuss Question
Answer: Option A. -> Monotonicity
Answer: (a).Monotonicity
Question 26. Thermal noise is absent in DAC.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 27. SFDR stands for ______________________
  1.    Spurious free dielectric range
  2.    Signal free dynamic range
  3.    Spurious free dynamic range
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Spurious free dynamic range
Answer: (c).Spurious free dynamic range
Question 28. Typical conversion speed of ADC is _______________
  1.    Less than 1µs
  2.    Less than 100 µs
  3.    Less than 500 µs
  4.    Greater than 1000 µs
 Discuss Question
Answer: Option B. -> Less than 100 µs
Answer: (b).Less than 100 µs
Question 29. Which of the following method is employed for ADC?
  1.    Ladder network
  2.    Successive approximation type
  3.    PWM type
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Successive approximation type
Answer: (b).Successive approximation type
Question 30. Which of the following type output is provided by ADC?
  1.    Serial type
  2.    Parallel type
  3.    Both serial and parallel type
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Both serial and parallel type
Answer: (c).Both serial and parallel type

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