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- Question
Which A/D conversion method has a fixed conversion time?
Options- A. Single-slope analog-to-digital converter
- B. Dual-slope analog-to-digital converter
- C. Digital-ramp analog-to-digital converter
- D. Successive-approximation analog-to-digital converter
- Correct Answer
- Successive-approximation analog-to-digital converter
- 1. What is the result of taking more samples during the quantization process?
Options- A. More errors in the analog-to-digital conversion
- B. More bit requirements
- C. More accurate signal representation
- D. More bit requirements and more accurate signal representation Discuss
- 2. Which term applies to the maintaining of a given signal level until the next sampling?
Options- A. Holding
- B. Aliasing
- C. Shannon frequency sampling
- D. "Stair-stepping" Discuss
- 3. A binary-weighted-input digital-to-analog converter has an input resistor of 100 kΩ. If the resistor is connected to a 5 V source, current through the resistor is ________.
Options- A. 50 mA
- B. 50 µA
- C. 5 mA
- D. 500 µA Discuss
- 4. In a digital representation of voltages using an 8-bit binary code, how many values can be defined?
Options- A. 16
- B. 64
- C. 128
- D. 256 Discuss
- 5. For a 4-bit DAC, the least significant bit (LSB) is ________.
Options- A. 6.25% of full scale
- B. 0.625% of full scale
- C. 12% of full scale
- D. 1.2% of full scale Discuss
- 6. Which type of ADC quantizes the analog signal into a stream of bits whose amount corresponds to the signal level?
Options- A. Successive approximation
- B. Sigma-delta
- C. Dual-slope
- D. None of the above Discuss
- 7. The ADC0804 is an example of a ________.
Options- A. single-slope analog-to-digital converter
- B. dual-slope analog-to-digital converter
- C. digital-ramp analog-to-digital converter
- D. successive-approximation analog-to-digital converter Discuss
- 8. A 4-bit R/2R ladder digital-to-analog converter uses ________.
Options- A. one resistor value
- B. two resistor values
- C. three resistor values
- D. four resistor values Discuss
- 9. What do we call the manipulation of an analog signal in a digital domain?
Options- A. Analog-to-digital conversion
- B. Digital-to-analog conversion
- C. Digital signal processing
- D. Signal filtering Discuss
- 10. The dual-slope analog-to-digital converter finds extensive use in ________.
Options- A. digital voltmeters
- B. function generators
- C. frequency counters
- D. all of the above Discuss
Digital Signal Processing problems
Search Results
Correct Answer: More bit requirements and more accurate signal representation
Correct Answer: Holding
Correct Answer: 50 µA
Correct Answer: 256
Correct Answer: 6.25% of full scale
Correct Answer: Sigma-delta
Correct Answer: successive-approximation analog-to-digital converter
Correct Answer: two resistor values
Correct Answer: Digital-to-analog conversion
Correct Answer: all of the above
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