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Home ‣ Digital Electronics ‣ Interfacing to the Analog World Comments
- Question
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
- Correct Answer
- True
- 1. Voltage-to-frequency ADC is more complicated than other ADCs.
Options- A. True
- B. False Discuss
- 2. A summing op-amp can be used for DAC.
Options- A. True
- B. False Discuss
- 3. A light bulb and a switch are examples of an analog circuit.
Options- A. True
- B. False Discuss
- 4. One way to determine the resolution of a DAC is to calculate the ratio of one step voltage to the maximum output voltage.
Options- A. True
- B. False Discuss
- 5. A CD player probably uses a sigma/delta D/A converter.
Options- A. True
- B. False Discuss
- 6. Flash A/D converters depend on an input clock pulse to perform each conversion.
Options- A. True
- B. False Discuss
- 7. The time required to complete a conversion cycle is called conversion time.
Options- A. True
- B. False Discuss
- 8. An operational amplifier is used as a comparator.
Options- A. True
- B. False Discuss
- 9. 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
- 10. 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 Discuss
Interfacing to the Analog World problems
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