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Monday Quiz: Still on oscilloscopes

05 Oct 2015  | Martin Rowe

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Answers

1. Which of the following statements about active and passive probes is the most accurate?

The correct answer is b, Active probes operate at higher frequencies than passive probes do.

2. When troubleshooting high-speed serial data buses, how can you minimise the effects of probe loading?

The correct answer is a, choose a probe whose impedance is at least 10 times the source impedance.

3. Which statement best describes digital oscilloscope sampling techniques?

The correct answer is b, Oscilloscopes can use sin x/x interpolation to reconstruct a periodic waveform based on two or more acquired samples per waveform period.

4. Which of the following statements are true?

The correct answer is f, a, b and c only.

5. Why might you employ an oscilloscope's x-y mode?

The correct answer is g, a and c only. That is, if you're doing real work. Otherwise, answer d, display images of Elvis on a screen, could also be correct.


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