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

  • Voltage-to-frequency ADC is more complicated than other ADCs.


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  • A. True
  • B. False

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    • Interfacing to the Analog World problems

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    • 1. A summing op-amp can be used for DAC.

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    • A. True
    • B. False
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    • 2. A light bulb and a switch are examples of an analog circuit.

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    • A. True
    • B. False
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    • 3. One way to determine the resolution of a DAC is to calculate the ratio of one step voltage to the maximum output voltage.

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    • A. True
    • B. False
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    • 4. A CD player probably uses a sigma/delta D/A converter.

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    • A. True
    • B. False
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    • 5. A simultaneous, multiple comparator, or flash converter uses parallel encoding.

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

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

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

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    • A. True
    • B. False
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    • 9. An operational amplifier is used as a comparator.

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    • A. True
    • B. False
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    • 10. 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.

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    • A. True
    • B. False
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