What is jitter and how should you troubleshoot it?
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What is jitter? In this episode of Scopes University, we continue our conversation from the previous InfiniiVision episode where we discussed How to Set Up Eye Diagrams (episode 3):
• How to Set Up an Eye D...
Today, you’ll learn about what jitter is, what causes it, why jitter is bad, and the basics of troubleshooting it on an oscilloscope.
First, you’ll gain an understanding of what jitter is: the deviation from where an edge crossing actually ends up compared to where it ideally should be.
Next, we’ll discuss some of the causes of jitter. Jitter can be caused by components on your board (deterministic jitter) or by uncontrollable random noise (random jitter).
Then, you’ll learn why you should care about jitter and why you should measure it on an oscilloscope. If you have too much jitter in your signal, it will cause errors in the data you transmit.
Lastly, you will get a firsthand look at the jitter analysis tool on the oscilloscope. You’ll learn how to use the capabilities to identify what it is that’s causing the jitter, as well as what you can do to fix it.
By the end of the episode you will understand how to measure jitter with a scope quickly and easily.
Tune in for future Scopes University episodes covering more oscilloscope capabilities to see how you can test more efficiently!
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The digital storage oscilloscope we used:
www.keysight.com/en/pcx-x20521...
(The Keysight InfiniiVision 6000 X-Series Oscilloscope)
This oscilloscope supports the most applications of any InfiniiVision oscilloscope, including power analysis, jitter measurements, and built-in dual arbitrary waveform generators. It features a 12.1 inch touch screen display and dedicated vertical control knobs for each channel. This all makes it the value leader in price for performance.
Scopes University is hosted by Erin East and Melissa Spencer. The video series covers when and how to use different applications and capabilities of the InfiniiVision and Infiniium oscilloscopes. You’ll gain familiarity with features that will help you save time in your measurement, further your analysis, and deepen your insight.
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7 авг 2017
