Sequential (A B) trigger concepts...................................................................................................................................... 254
W
aveform display concepts...................................................................................................................................................... 255
Waveform display overview............................................................................................................................................... 255
Waveform preview mode................................................................................................................................................... 255
Horizontal position and the horizontal reference point.......................................................................................................255
Annotating the screen........................................................................................................................................................ 255
Vertical graticule readout................................................................................................................................................... 256
Measurement concepts.............................................................................................................................................................257
Taking automatic measurements in the time domain.........................................................................................................257
Taking automatic measurements in the frequency domain................................................................................................257
Taking digital voltmeter measurements..............................................................................................................................257
Taking manual measurements with cursors.......................................................................................................................258
Making automated power measurements..........................................................................................................................259
Using cursor readouts........................................................................................................................................................260
Using XY Cursors.............................................................................................................................................................. 260
Measurement variables......................................................................................................................................................260
Missing or out-of-range samples........................................................................................................................................262
Math waveforms.................................................................................................................................................................262
Math waveform elements...................................................................................................................................................262
Guidelines for working with math waveforms.....................................................................................................................263
Math waveform editor syntax............................................................................................................................................. 263
Math waveform differentiation............................................................................................................................................264
Math waveform offset position and scale...........................................................................................................................264
Waveform integration......................................................................................................................................................... 264
Using math waveforms...................................................................................................................................................... 265
Using advanced math........................................................................................................................................................ 266
Using FFT.......................................................................................................................................................................... 266
FFT process.......................................................................................................................................................................267
FFT and aliasing................................................................................................................................................................ 267
Blackman-Harris FFT window concepts.............................................................................................................................268
Hanning FFT window......................................................................................................................................................... 268
Hamming window...............................................................................................................................................................269
Rectangular window...........................................................................................................................................................269
Using spectrum math......................................................................................................................................................... 269
References................................................................................................................................................................................271
Upgrading firmware............................................................................................................................................................271
Cleaning.............................................................................................................................................................................271
Index......................................................................................................................................................................................... 272
Table of Contents
3 Series Mixed Domain Oscilloscope Printable Help 9