How to Decrease Noise in your Signals

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Are you having trouble getting some of the noise out of your measurements? Did you know the fix could be as simple as using a different probe? Learn about the noise sources in your probe and oscilloscope, and how to decrease the effect they have on your signal.

In this episode of Probing Pitfalls, we’ll take a look at system noise, how this impacts your signal, and how to decrease it. The “system” is the oscilloscope and the probe being used together. Certain components in this system will create some noise. I’ll dive into why this happens, but the solution to this pitfall of excess noise is to simply select the correct probe attenuation ration. This will ensure you are introducing the least amount of noise possible and seeing and accurate signal on screen. I’ll guide you through how to select the correct attenuation ratio with some helpful tips.

After watching this episode, you’ll know which attenuation ratio to be using for your tests, and you’ll be making more accurate measurements than ever.

Stay tuned for future Probing Pitfalls episodes covering common probing mistakes and how to avoid them to ensure you are making accurate measurements.

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The digital storage oscilloscope we used: http://www.keysight.com/en/pcx-x205209/infiniivision-4000-x-series-oscilloscopes?cc=US&lc=eng

(The Keysight InfiniiVision 4000 X-Series Oscilloscope)

The 4000 X-Series oscilloscopes offers a large 12.1 inch capacitive touch screen, a user interface designed for touch, and the exclusive Zone touch trigger, all combined with an industry-leading uncompromised update rate of 1 million wfm/s to help you see all of your signal detail. Plus, advanced analysis capabilities help you solve your hardest challenges quickly.

If you are looking for a lower cost oscilloscope that still has the segmented memory capability: http://www.keysight.com/en/pcx-275 ... https://www.youtube.com/watch?v=sWPRAKayC3g