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Home ‣ Digital Electronics ‣ Interfacing to the Analog World Comments
- Question
A sample-and-hold circuit is used in D/A conversion.
Options- A. True
- B. False
- Correct Answer
- False
- 1. 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
- 2. In a digital storage scope, when memory is full, the next data point is lost.
Options- A. True
- B. False Discuss
- 3. 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
- 4. The output voltage or current of a digital-to-analog converter is truly an analog signal.
Options- A. True
- B. False Discuss
- 5. Two characteristics of ideal operational amplifiers are very high input impedance and very high voltage gain.
Options- A. True
- B. False Discuss
- 6. When the inputs of a four-bit D/A converter are connected to a binary up-counter, the output looks like an upward sloping line.
Options- A. True
- B. False Discuss
- 7. A data acquisition system may communicate via two common buses: the data bus and the control bus.
Options- A. True
- B. False Discuss
- 8. The output of an analog-to-digital converter is a voltage level.
Options- A. True
- B. False Discuss
- 9. When the analog input to a tracking A/D converter is at a constant level, the digital output will oscillate.
Options- A. True
- B. False Discuss
- 10. A DAC is monotonic if its output increases as its binary input is incremented from one value to the next.
Options- A. True
- B. False Discuss
Interfacing to the Analog World problems
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