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

  • Two characteristics of ideal operational amplifiers are very high input impedance and very high voltage gain.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Interfacing to the Analog World problems

    Search Results

    • 1. An AD7524 is an eight-bit D/A converter that uses an R/2R ladder network.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Electrical quantities can be interpreted without conditioning by a digital computer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A DRAM has a RAS and a CAS because ________.

    • Options
    • A. the address lines are multiplexed to reduce pin count
    • B. the RAS determines the operation mode and the CAS enables the tristate outputs
    • C. the RAS latches in the address and the CAS latches in data
    • D. None of the above
      • Discuss
    • 4. When the term RAM is used with semiconductor memories, it usually means ________ as opposed to ROM.

    • Options
    • A. Random-Access Memory
    • B. Read/Write Memory (RWM)
    • C. flash memory
    • D. temporary storage
      • Discuss
    • 5. The memory operation that stores data into a memory location after entering a new address is called ________.

    • Options
    • A. a read cycle
    • B. a write cycle
    • C. a refresh cycle
    • D. chip select
      • Discuss
    • 6. The output voltage or current of a digital-to-analog converter is truly an analog signal.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The amount of deviation of the measured step size from the ideal step size is a measure of linearity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. In a digital storage scope, when memory is full, the next data point is lost.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The current across the MSB "rung" of a 4-bit R/2R ladder DAC if the reference voltage is 5 v and R is 8 Ω is 625 µA.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A sample-and-hold circuit is used in D/A conversion.

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

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