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- Question
When analog inputs from several sources are to be converted, a(n) ________ technique can be used.
Options- A. demultiplexing
- B. multiplexing
- C. R/2R
- D. comparator
- Correct Answer
- multiplexing
- 1. The primary disadvantage of the simultaneous A/D converter is ________.
Options- A. that it requires the input voltage to be applied to the inputs simultaneously
- B. the long conversion time required
- C. the large number of output lines required to simultaneously decode the input voltage
- D. the large number of comparators required to represent a reasonable-sized binary number Discuss
- 2. A binary-weighter resistor DAC is practical only up to a resolution of ________.
Options- A. 10 bits
- B. 2 bits
- C. 8 bits
- D. 4 bits Discuss
- 3. The fastest analog-to-digital converter is the ________.
Options- A. counter ADC
- B. successive-approximation ADC
- C. dual slope ADC
- D. parallel ADC Discuss
- 4. A signal ________ is produced by sampling the signal at a rate less than the minimum rate identified by Nyquist.
Options- A. Nyquist
- B. sampling frequency
- C. basis
- D. alias Discuss
- 5. ________ 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
- 6. A DAC is ________ if its output increases as the binary input increments from one value to the next.
Options- A. monotonic
- B. self adjusting
- C. accurate
- D. broken Discuss
- 7. ________ DACs produce both positive and negative output values.
Options- A. Tristate
- B. Double
- C. Bipolar
- D. Unilateral Discuss
- 8. Unused TTL inputs should be tied LOW.
Options- A. True
- B. False Discuss
- 9. There are four different logic level ranges for TTL and CMOS: VIL, VIH, VOL, and VOH.
Options- A. True
- B. False Discuss
- 10. ECL IC technology is faster than TTL technology.
Options- A. True
- B. False Discuss
Interfacing to the Analog World problems
Search Results
Correct Answer: the large number of comparators required to represent a reasonable-sized binary number
Correct Answer: 4 bits
Correct Answer: parallel ADC
Correct Answer: alias
Correct Answer: Successive-approximation
Correct Answer: monotonic
Correct Answer: Bipolar
Correct Answer: False
Correct Answer: True
Correct Answer: True
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