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Home ‣ Electronics ‣ Analog and Digital Converters Comments
  • Question

  • A sample-and-hold circuit samples an analog value and holds it long enough for the analog-to-digital conversion to occur.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Analog and Digital Converters problems

    Search Results

    • 1. In a binary-weighted digital-to-analog converter (DAC), the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The key advantage of the successive approximation analog-to-digital converter (ADC) is its conversion speed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Incorrect codes are a form of output error for a digital-to-analog converter (DAC).

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The bits of a number that tell how large the number is are called ____________________.

    • Options
    • A. carry bits
    • B. magnitude bits
    • C. sign bits
    • D. most significant bits
      • Discuss
    • 5. The 1's complement of 1010102 is _________.

    • Options
    • A. 0101102
    • B. 0101012
    • C. 1101112
    • D. 1010112
      • Discuss
    • 6. The relative accuracy of a digital-to-analog converter (DAC) is determined by settling time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. One way to determine the resolution of a digital-to-analog converter (DAC) is to compare the ratio of one step voltage to the maximum output voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The flash method of analog-to-digital conversion (ADC) uses comparators that compare reference voltages with the analog input voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. An 8-bit digital-to-analog converter (DAC) has a resolution of 0.125 V.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. If we double the number of bits in our digital representation of a number from 4 to 8 bits, we double the relative accuracy of the conversion from digital to analog.

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

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