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Home Electronics Analog and Digital Converters Comments

  • Question
  • A binary-weighted resistor used in a digital-to-analog converter (DAC) is only practical up to a resolution of ________.


  • Options
  • A. 10 bits
  • B. 2 bits
  • C. 8 bits
  • D. 4 bits

  • Correct Answer
  • 4 bits 


  • Analog and Digital Converters problems


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    • 1. The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________.

    • Options
    • A. an 8-bit binary-weighted resistor DAC
    • B. an R/2R ladder DAC
    • C. a staircase DAC
    • D. a flash DAC
    • Discuss
    • 2. ________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.

    • Options
    • A. Actuator
    • B. Dual
    • C. Flash
    • D. Bipolar
    • Discuss
    • 3. The characteristic that a change of one binary step on the input of a digital-to-analog converter (DAC) should cause exactly one step change on the output is called ________.

    • Options
    • A. resolution
    • B. monotonicity
    • C. linearity
    • D. accuracy
    • Discuss
    • 4. A(n) ________ converts an analog input to a digital output.

    • Options
    • A. flash converter
    • B. bipolar converter
    • C. ADC
    • D. DAC
    • Discuss
    • 5. A digital-to-analog converter (DAC) is said to be nonmonotonic if the magnitude of the output voltage increases every time the input code increases.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. Inaccurate analog-to-digital conversion may be due to ____________.

    • Options
    • A. constant analog input voltage
    • B. linear ramp usage
    • C. intermittent counter inputs
    • D. faulty sample-and-hold circuitry
    • Discuss
    • 7. ________ analog-to-digital converters (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
    • 8. The number of binary bits at the input of a digital-to-analog converter (DAC) is known as ________.

    • Options
    • A. accuracy
    • B. linearity
    • C. resolution
    • D. monotonicity
    • Discuss


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