Make Great Oscilloscope Measurements

Learn tips & techniques for making better measurements!

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This webcast is part of the Keysight Oscilloscopes Webcast Series, and discusses how to improve the quality of your measurements when using digital storage oscilloscopes.

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Agenda 0:55

100 kHz clock example 1:18

Make great time-dependent measurements: -Frequency measurement with statistics 2:00

Key Measurement Concept #1 -Memory depth = Acquisition time x Sample Rate 3:57 -Sample rate matters 4:47

Make great voltage-dependent measurements: -Peak to peak measurement 5:14

Key Measurement Concept #2 -Vertical scaling & bits of resolution 6:24 -Vertical scaling matters 7:31

Typical power saving device (example) 8:31 High sensitivity and high dynamic range current probe (N2820A) 10:45

Make fast measurements 11:59 -Oscilloscope architecture matters 12:15 -Quickly characterize and validate rise time --of a 100 kHz clock chip 13:41

See an issue: -Waveform update rate 14:48 --3Mb/s data signal example 16:47 -Isolate a signal using triggering 17:16

Refined measurements -Segmented memory 18:42 --3Mb/s data signal example 19:47 -Mask testing 21:11

How to use acquisition modes for better measurements 23:50 What acquisition modes are we going to look at? 24:11 -Normal acquisition mode 24:46 -Averaging acquisition mode 25:16 -High resolution acquisition mode 26:18

-Comparing measurements with different acq modes 27:11

-When to use each acquisition mode 28:02

FSK modulated signal with I2C controller 29:20 -The measurement challenge 29:54

-Gating measurements with the zoom window 30:18 -Gating measurements with cursors 31:29

Other measurement tools 33:28 Jitter analysis 33:56 -time interval error measurements (TIE) and trend plotting -Jitter histograms

Real time eye analysis 36:04

Infiniium offline for advanced analysis 37:29

The 4000 X-Series oscilloscope we used 38:50

Questions and Answers 40:36

Music by Lou Leaves the Room ... https://www.youtube.com/watch?v=H-udnGrOcIw