logo

CuriousTab

CuriousTab

Discussion

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

  • When analog inputs from several sources are to be converted, a multiplexing technique can be used so that one ADC may be time-shared.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Interfacing to the Analog World problems

    Search Results

    • 1. In a counter-ramp A/D converter, the end-of-conversion line must be tied back to the clear input of the counter to change the circuit to perform continuous conversions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. An operational amplifier is used as a comparator.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The time required to complete a conversion cycle is called conversion time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Flash A/D converters depend on an input clock pulse to perform each conversion.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A D/A converter changes things such as temperature variations into digital quantities.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In a binary-weighted D/A converter the sum of all the currents from the binary weighted resistors flows through the operational amplifier.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The main advantage of the SAR ADC method is its high speed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Resolution in the analog output of a DAC is primarily dependent on the number of input binary bits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The delay between a change on the digital input of a DAC and the appearance of the change on the output is called settling time.

    • 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.