logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ Interfacing to the Analog World Comments
  • Question

  • The primary disadvantage of the simultaneous A/D converter is ________.


  • Options
  • A. that it requires the input voltage to be applied to the inputs simultaneously
  • B. the long conversion time required
  • C. the large number of output lines required to simultaneously decode the input voltage
  • D. the large number of comparators required to represent a reasonable-sized binary number

  • Correct Answer
  • the large number of comparators required to represent a reasonable-sized binary number 

    • Interfacing to the Analog World problems

    Search Results

    • 1. A binary-weighter resistor DAC is practical only up to a resolution of ________.

    • Options
    • A. 10 bits
    • B. 2 bits
    • C. 8 bits
    • D. 4 bits
      • Discuss
    • 2. The fastest analog-to-digital converter is the ________.

    • Options
    • A. counter ADC
    • B. successive-approximation ADC
    • C. dual slope ADC
    • D. parallel ADC
      • Discuss
    • 3. A signal ________ is produced by sampling the signal at a rate less than the minimum rate identified by Nyquist.

    • Options
    • A. Nyquist
    • B. sampling frequency
    • C. basis
    • D. alias
      • Discuss
    • 4. ________ ADCs have a fixed value of conversion time that is not dependent on the value of the analog input.

    • Options
    • A. Substandard
    • B. Dual
    • C. Recessive-approximation
    • D. Successive-approximation
      • Discuss
    • 5. The output of the circuit in the given figure (a) at point X on figure (b) will be ________.


    • Options
    • A. 1.011 V
    • B. 2.75 V
    • C. ?1.011 V
    • D. ?2.75 V
      • Discuss
    • 6. When analog inputs from several sources are to be converted, a(n) ________ technique can be used.

    • Options
    • A. demultiplexing
    • B. multiplexing
    • C. R/2R
    • D. comparator
      • Discuss
    • 7. A DAC is ________ if its output increases as the binary input increments from one value to the next.

    • Options
    • A. monotonic
    • B. self adjusting
    • C. accurate
    • D. broken
      • Discuss
    • 8. ________ DACs produce both positive and negative output values.

    • Options
    • A. Tristate
    • B. Double
    • C. Bipolar
    • D. Unilateral
      • Discuss
    • 9. Unused TTL inputs should be tied LOW.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. There are four different logic level ranges for TTL and CMOS: VIL, VIH, VOL, and VOH.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.