LeCroy WaveRunner XI Series

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WAVERUNNER XI SERIES

214 WRXi-OM-E Rev C

data points that are above a given level to the number of The next example calculates the ratio of the number of

points below the level, in this case one half of the amplitude.

Further Examples of MATLAB Waveform Functions

Negate the input signal.

Square the input signal.

Create pulses from a sinusoid.

Main Page

Default Chapter3
- Table of Contents3
Introduction12
- How to Use On-Line Help12
  - Type Styles12
  - Instrument Help12
- Windows Help12
- Returning a Product for Service or Repair12
- Technical Support13
- Staying Up-To-Date13
- Specifications13
- Warranty22
- Windows License Agreement23
- End-User License Agreement for Lecroy® X-Stream Software23
Safety Requirements28
- Safety Symbols and Terms28
- Operating Environment28
- Cooling Requirements29
- AC Power Source30
- Power and Ground Connections30
- On/Standby Switch30
- Calibration31
- Cleaning31
- Abnormal Conditions31
Ave Unner Eries32
- Horizontal Controls32
- Vertical Controls33
- Zoom Controls33
- Special Features Controls33
- General Control Buttons34
Front Panel Controls32
- Front Panel Buttons and Knobs32
  - Trigger Controls32
- Wrxi-OM-E Rev B III32
On-Screen Toolbars, Icons, and Dialog Boxes35
- Menu Bar Buttons35
- Grid Area36
- Trace Descriptors37
- Dialog Boxes38
- Alternate Access Methods38
  - Mouse and Keyboard Operation38
  - Tool Bar Buttons38
- Trace Annotation39
  - To Annotate a Waveform39
- To Turn on a Channel Trace Label41
Installation41
- Power-Up41
- Hardware Connections42
- Software Status42
- Adding a New Option42
- Restoring Software42
  - Restarting the Application42
  - Restarting the Operating System42
- External Monitor42
  - Monitor Hookup43
  - Video Setup43
- Default Settings44
- Adding a New Option44
- Restoring Software45
  - Restarting the Application45
  - Restarting the Operating System45
Connecting to a Signal45
- Probus Interface45
- Auxiliary Output Signals45
- Auxiliary Output Setup46
Probes46
- Probe Compensation48
Sampling Modes48
- Selecting a Sampling Mode49
- Single-Shot Sampling Mode49
  - Basic Capture Technique49
- Sequence Sampling Mode - Working with Segments49
- RIS Sampling Mode - for Higher Sampling Rates52
- Roll Mode53
- Vertical Settings and Channel Controls53
- Adjusting Sensitivity and Position53
  - Sensitivity Adjustment53
- Adjusting the Waveform's Position54
- Coupling54
  - Overload Protection54
  - Coupling Setup54
- Probe Attenuation54
  - Probe Attenuation Setup54
- Bandwidth Limit55
  - Bandwidth Limiting Setup55
- Averaging55
- Linear and (Sinx)/X Interpolation55
  - Interpolation Setup55
  - Inverting Waveforms55
- Quickzoom55
  - Turning on a Zoom55
- Finding Scale55
  - Using Find Scale55
- Variable Gain56
  - Enabling Variable Gain56
- Channel Deskew56
  - Channel Deskew Setup56
Timebase and Acquisition System56
- Timebase Setup and Control56
- Dual Channel Acquisition56
  - Combining of Channels56
  - Combining Channels57
- Autosetup57
Triggering57
- Trigger Setup Considerations57
  - Trigger Modes57
  - Trigger Types57
- Determining Trigger Level, Slope, Source, and Coupling59
- Trigger Source59
- Level60
- Holdoff by Time or Events60
  - Hold off by Time60
  - Hold off by Events61
- Simple Triggers61
- SMART Triggers67
Waverunner XI Series71
- Runt Trigger71
- Slew Rate Trigger71
Display Formats71
- Sequence Mode Display72
- Persistence Setup72
  - Saturation Level73
  - 3-Dimensional Persistence73
- Show Last Trace75
- Persistence Time75
- Persistence Setup75
- Screen Saver75
  - Moving a Channel or Math Trace76
- Zooming Waveforms76
Save and Recall79
- Saving and Recalling Oscilloscope Settings79
- Saving Screen Images80
- Saving and Recalling Waveforms81
  - Saving Waveforms81
  - Recalling Waveforms82
- Disk Utilities82
  - Deleting a Single File82
  - Deleting All Files in a Folder83
Printing and File Management83
- Print, Plot, or Copy83
- Printing83
- Managing Files84
  - Hard Disk Partitions84
Ase -Tethernet Connection84
- Connecting to a Network84
- Communicating over the Network84
- File and Printer Sharing over a Netwo Rk84
  - Windows Setups85
  - Windows Repair Disk86
Track Views86
- Creating and Viewing a Trend86
- Creating a Track View86
Histograms87
- Creating and Viewing a Histogram87
- Histogram Parameters90
- Histogram Theory of Operation96
- Histogram Parameters (XMAP and JTA2 Options)97
- Histogram Peaks98
- Binning and Measurement Accuracy99
Waveform Measurements99
- Measuring with Cursors99
  - Cursor Measurement Icons99
- Cursors Setup100
  - Quick Display100
  - Full Setup100
- Overview of Parameters100
- Statistics102
- Applying a Measure Mode102
- Measure Modes102
- Measure Gate106
  - Measure Gate Setup106
- Help Markers107
  - Setting up Help M Arkers108
  - Turning off Help Markers108
- Customizing a Parameter108
- Parameter Calculations109
- List of Parameters111
Ave Unner Eries126
- Math Made Easy126
  - Math Function Se Tup126
- Resampling to Deskew127
  - Resampling127
- Rescaling and Assigning Units127
  - Rescaling Setup129
- Averaging Waveforms129
- Enhanced Resolution131
  - How the Instrument Enhances Resolution131
- Enhanced Resolution (ERES) Setup134
- Waveform Copy134
- Waveform Sparser134
  - Waveform Sparser Setup135
- Interpolation135
  - Interpolation Setup135
Waveform Math126
Fft135
- Why Use FFT135
- Power (Density) Spectrum136
  - Memory for FFT136
- FFT Pitfalls to Avoid136
- Picket Fence and Scallop136
- Leakage136
- Choosing a Window136
- Improving Dynamic Range137
- Record Length137
- FFT Algorithms138
- FFT Glossary139
- FFT Setup141
  - Setting up an FFT141
Analysis142
- Pass/Fail Testing142
- Setting up Pass/Fail Testing144
Wavescan147
- Introduction to Wavescan147
- Source View148
  - Level Markers148
- Scan Overlay View149
- Scan Histogra M View150
- Zoom View151
- Wavescan Search Modes153
- Wavescan Filtering159
  - Filter Wizard159
  - Filter Methods159
Utilities160
- Status160
  - Accessing the Status Dialog160
- Remote Communication160
  - Remote Communication Setup160
  - Configuring the Remote Control Assistant Event Log161
- Hardcopy161
- Aux Output162
- Setting the Date and Time162
- Options163
- Preferences164
- Acquisition Status166
- Service166
- Show Windows Desktop166
- Touch Screen Calibration166
Customization167
- Customizing Your Instrument167
Waverunner XI Series174
- Selecting a Math Function Call174
- Selecting a Parameter Function Call174
- The Excel Control Dialog174
- Entering a File Name175
- Organizing Excel Sheets175
- Setting the Vertical Scale176
- Trace Descriptors176
- Multiple Inputs and Outputs176
- Examples177
  - Simple Excel Example 1177
  - Simple Excel Example 2179
  - Exponential Decay Time Constant Excel Parameter (Excel Example 1)181
  - Gated Parameter Using Excel (Excel Example 2)182
  - How Does this Work183
  - Correlation Excel Waveform Function (Excel Example 3)183
  - Multiple Traces on One Grid (Excel Example 4)184
  - Using a Surface Plot (Excel Example 5)186
- Writing VB Scripts186
  - Types of Scripts in VBS186
  - Loading and Saving Vbscripts187
  - Scripting with Vbscript191
  - Variable Types191
- Variable Names191
- Arithmetic Operators192
  - Results of Calculations193
  - Order of Calculations193
- VBS Controls194
  - Summary of if196
  - Select Case196
  - Summary of Select Case197
  - While198
  - For198
- VBS Keywords and Functions199
  - Other VBS Words200
- Functions200
- Hints and Tips for Vbscripting201
- Errors202
- Error Handling203
- Speed of Execution204
- Scripting Ideas205
- Example Waveform Script205
- Example Parameter Scripts205
- Debugging Scripts205
- Horizontal Control Variables206
- Vertical Control Variables206
- List of Variables Available to Scripts206
- Communicating with Excel from a Vbscript207
  - Calling MATLAB208
- How to Select a Waveform Function Call209
- The MATLAB Waveform Control Panel209
- MATLAB Example Waveform Plot211
- How to Select a MATLAB Parameter Call212
- The MATLAB Parameter Control Panel212
- The MATLAB Parameter Editor213
- MATLAB Example Parameter Panel213
- Further Examples of MATLAB Waveform Functions214
- Creating Your Own MATLAB Function215
Customdso216
- Introduction - What Is Customdso216
- Invoking Customdso216
- Customdso Basic Mode216
- Editing a Customdso Setup File217
- Creating a Customdso Setup File218
- Customdso Plugin Mode219
- Creating a Customdso Plugin219
- Properties of the Control and Its O Bjec Ts220
- Removing a Plugin222
- First Example Plugin - Exchanging Two Traces on the Grids222
- Second Example Plugin - Log-Log FFT Plot225
- Control Variables in Customdso227
Labnotebook227
- Introduction to Labnotebook227
- Preferences227
- Recalling Notebook Entries230
- Creating a Report230
  - Previewing a Report230
  - Loca Ting a Notebook Entry230
- Creating the Report231
- Formatting the Report232
- Managing Notebook Entry Data232

Table of Contents

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