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Home ‣ Digital Electronics ‣ Interfacing to the Analog World See What Others Are Saying!
  • Question

  • The main advantage of the tracking A/D converter over the stairstep-ramp A/D converter is that ________.


  • Options
  • A. it does not require a counter
  • B. it uses an up/down counter to indicate the polarity of the input voltage
  • C. it uses an up/down counter to measure both positive and negative voltages
  • D. it is faster

  • Correct Answer
  • it is faster 

    • More questions

    • 1. A CD player is an example of a device that has random access capability.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Of the methods listed, the fastest A/D conversion is done by a ________.

    • Options
    • A. single-slope ramp converter
    • B. dual-slope ramp converter
    • C. successive-approximation converter
    • D. tracking converter
      • Discuss
    • 3. By applying De Morgan's theorem to a NOR gate, two identical truth tables can be produced.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A monotonicity error in a DAC will show up as an incorrect analog output ________.

    • Options
    • A. only for higher value inputs
    • B. only for lower value inputs
    • C. only for certain (scattered) inputs
    • D. for all inputs
      • Discuss
    • 5. For the device shown here, assume the D input is LOW, both S inputs are LOW, and the input is LOW. What is the status of the outputs?


    • Options
    • A. All are HIGH.
    • B. All are LOW.
    • C. All but are LOW.
    • D. All but are HIGH.
      • Discuss
    • 6. A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A Karnaugh map is similar to a truth table because it presents all the possible values of input variables and the resulting output of each value.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The output current capability of a single 7400 NAND gate when HIGH is called ________.

    • Options
    • A. source current
    • B. sink current
    • C. IOH
    • D. source current of IOH
      • Discuss
    • 9. In a synchronous counter, each state is clocked by the same pulse.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. How many AND gates are found in a 7411 IC?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss

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