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Communications Mask Testing

SDA

3010/4000A/4020/5000A/6020/6000A/9000/11000/13000/18000

SONET/SDH

OC-1/STM0

OC-3/STM1 Optical

OC-12/STM4 Optical

OC-48/STM16 Optical

Ethernet IEEE Std 802.3 and

ANSI X3.263-1995

1000Base-SX Short Wave Optical

1000Base-LX Long Wave Optical

Fibre Channel Electrical

(ANSI X3.303-1997)

FC133E, FC266E, FC531E, FC1063E

IEEE 1394b (draft)

S400 Optical

S400b T1

S400b T2

S800 Optical

S800b T1

S800b T2

S1600 Optical

S1600b T1

S1600b T2

Serial ATA

G1, G1 Rx, G1 Tx

G2, G2 Rx, G2 Tx

DVI (rev.1.0)

Transmit normalized, Receiver Low/high

InfiniBand (draft)

2.5 Gb/s Optical

2.5 Gb/s Electrical

Jitter Testing

• Data Measurements: Period, Frequency, TIE

• Clock Measurements: Frequency, Period, Half Period, Cycle-Cycle, N-Cycle, Positive Cy-

Cy Duty, Negative Cy-Cy Duty, Clock TIE

• Analysis: Tj, DCD, DDj, Pj, Rj, Dj, Rje, Dje

• Delta Time Accuracy: 1 ps rms at 20 GS/s

40 SDA-OM-E Rev H

Default Chapter3
- Table of Contents3
Introduction18
- How to Use Online Help18
  - Type Styles18
  - Instrument Help18
- Windows Help19
- Returning a Product for Service or Repair19
- Technical Support19
- Staying Up-To-Date20
- Warranty20
- Windows License Agreement20
- End-User License Agreement for Lecroy X-Stream Software21
- Virus Protection27
SDA Specifications28
- Vertical System28
  - Horizontal System29
  - Jitter Noise Floor29
- Acquisition System29
  - Memory30
  - Sda 18000/13000/11000/900030
  - Acquisition Modes30
  - Acquisition Processing30
- Triggering System30
- Automatic Setup31
- Probes31
- Basic Triggers31
- SMART Triggers31
  - SMART Triggers with Exclusion Technology31
- Serial Trigger32
- Clock Recovery32
- Jitter Analysis32
- Math Tools - Standard33
- Automated Measure Tools - Standard33
- Pass/Fail Testing34
- Advanced Math Package (XMATH) - Standard34
- Jitter and Timing Analysis Package (JTA2) - Standard34
- ASDA-J - Standard35
- 8B/10B Protocol Decoding - Standard35
- Advanced Customization Package (XDEV) - Optional35
- Color Waveform Display35
  - Analog Persistence Display36
  - Zoom Expansion Traces36
- Cpu36
- Internal Waveform Memory36
- Setup Storage36
- Interface36
- Auxiliary Output36
- Auxiliary Input36
- General37
  - Environmental Characteristics37
  - Certifications37
  - CE Declaration of Conformity37
- Physical Dimensions38
  - Warranty and Service39
- Optical Reference Receiver (with OE425/OE455)39
- Software Clock Recovery System39
- Communications Mask Testing40
- Jitter Testing40
- Bit Error Rate (Optional)41
Safety42
- Safety Requirements42
  - Safety Symbols42
- Operating Environment43
- Cooling44
- AC Power Source44
- Power Consumption45
- Power and Ground Connections45
- Standby (Power) Switch and Scope Operational States46
- Fuse Replacement46
- Calibration47
- Cleaning47
- Abnormal Conditions47
Basic Controls48
- Alternate Access Methods48
  - Mouse and Keyboard Operation48
  - Toolbar Buttons48
- Trace Descriptors49
- Trace Annotation50
  - Annotating a Waveform51
  - Turning on a Channel Trace Label52
Installation53
- Software53
  - Checking the Scope Status53
- Default Settings53
  - DDA, SDA, and Waverunner Dsos53
- Adding a New Option53
- Restoring Software54
  - Restarting the Application54
  - Restarting the Operating System55
- Removable Hard Drive55
Connecting to a Signal56
- Probus Interface56
- Prolink Interface56
  - Connecting the Adapters58
- AP-1M Hi-Z Adapter59
- Auxiliary Output Signals60
- Auxiliary Output Setup60
Sampling Modes61
- Sampling Mode Selection61
- Single-Shot Sampling Mode61
  - Basic Capture Technique61
- Sequence Sampling Mode Working with Segments62
- RIS SAMPLING Mode - for Higher Sample Rates66
- Roll Mode67
Vertical Settings and Channel Controls67
- Adjusting Sensitivity and Position67
  - Adjusting Sensitivity67
  - Adjusting the Waveform's Position68
- Coupling68
  - Overload Protection68
  - Coupling Setup68
- Probe Attenuation68
  - Setting Probe Attenuation68
- Bandwidth Limit69
- Linear and (Sinx)/X Interpolation69
  - Interpolation Setup69
  - Inverting Waveforms69
- Quickzoom69
  - Turning on a Zoom69
- Finding Scale70
  - Using Find Scale70
- Variable Gain70
  - Enabling Variable Gain70
- Channel Deskew70
  - Channel Deskew Setup70
- Group Delay Compensation71
Timebase and Acquisition System72
- Timebase Setup and Control72
- Autosetup72
- SDA DBI Controls72
- SDA18000 DBI Controls72
- SDA 13000/11000/9000 DBI Controls73
- Smart Memory73
  - SMART Memory Setup74
- External Timebase Vs. External Clock74
Triggering74
- Trigger Setup Considerations74
  - Trigger Modes74
  - Trigger Types75
- Determining Trigger Level, Slope, Source, and Coupling76
- Trigger Source77
- Level77
- Holdoff by Time or Events77
  - Hold off by Time78
  - Hold off by Events79
- Simple Triggers79
- SMART Triggers83
  - Width Trigger83
  - Glitch Trigger84
- Interval Trigger85
- Aux Input Trigger95
  - Aux Input Setup95
Display Formats96
- Display Setup96
  - Sequence Mode Display97
- Persistence Setup97
- Locking of Traces100
- Persistence Setup100
- Screen Saver101
- Moving Traces from Grid to Grid101
- Zooming Waveforms102
- XY Display105
  - XY Display Setup106
Save and Recall106
- Saving and Recalling Scope Settings106
- Saving Screen Images107
- Saving and Recalling Waveforms108
  - Saving Waveforms108
  - Recalling Waveforms110
- Disk Utilities110
Printing and File Management111
- Print, Plot, or Copy111
- Printing111
- Managing Files112
  - Hard Disk Partitions112
100Base-T Ethernet Connection113
- Connecting to a Network113
- Communicating over the Network113
  - Windows Setups113
  - System Restore114
Track Views114
- Creating and Viewing a Trend114
- Creating a Track View115
Histograms116
- Creating and Viewing a Histogram116
- Histogram Parameters119
- Histogram Theory of Operation132
- Histogram Parameters (XMAP and JTA2 Options)134
- Histogram Peaks135
- Binning and Measurement Accuracy135
Waveform Measurements136
- Measuring with Cursors136
  - Cursor Measurement Icons136
- Cursors Setup137
  - Quick Display137
  - Full Setup137
- Overview of Parameters137
- Statistics141
- Applying a Measure Mode141
- Measure Modes141
  - Standard Vertical Parameters141
  - My Measure142
- Parameter Math (Xmath or XMAP Option Required)142
- Measure Gate145
  - Measure Gate Setup146
- Help Markers147
  - Help Marker Setup149
  - Turning off Help Markers149
- Customizing a Parameter149
- Parameter Calculations150
- List of Parameters155
- Qualified Parameters177
  - Range Limited Parameters177
- Waveform Gated Parameters178
  - Waveform Qualifier Setup178
Waveform Math178
- Introduction to Math Traces and Functions178
- Math Made Easy179
  - Setting up a Math Function179
- Resampling to Deskew180
  - Resampling180
- Rescaling and Assigning Units180
- Rescaling Setup182
- Averaging Waveforms182
- Enhanced Resolution184
  - How the Instrument Enhances Resolution184
- Enhanced Resolution (ERES) Setup187
- Waveform Copy187
- Waveform Sparser187
  - Waveform Sparser Setup188
- Interpolation188
  - Interpolation Setup188
- Fast Wave Port188
- Fft195
Analysis204
- Pass/Fail Testing204
- Setting up Pass/Fail Testing206
Utilities210
- Status210
  - Status Dialog Access210
- Remote Communication210
  - Remote Communication Setup210
  - Configuring the Remote Control Assistant Event Log211
- Hardcopy211
- Aux Output212
- Date & Time212
- Options214
- Preferences214
- Acquisition Status216
- Service217
- Show Windows Desktop217
- Touch-Screen Calibration217
Customization218
- Customizing Your Instrument218
  - Introduction218
  - Solutions219
  - Examples219
  - What Is Excel224
  - What Is Mathcad224
  - What Is MATLAB224
  - What Is VBS224
  - What Can You Do with a Customized Instrument226
  - Number of Samples227
- Calling Excel from Your Instrument227
- How to Select a Math Function Call227
- How to Select a Parameter Function Call227
- The Excel Control Dialog228
- Entering a File Name228
- Organizing Excel Spreadsheets229
- Setting the Vertical Scale230
- Trace Descriptors230
- Multiple Inputs and Outputs230
  - Simple Excel Example 1231
  - Simple Excel Example 2234
- Excel Example 1: Exponential Decay Time Constant Excel Parameter238
- Excel Example 2: Gated Parameter Using Excel239
  - How Does this Work241
- Excel Example 3: Correlation Excel Waveform Function242
- Excel Example 4: Multiple Traces on One Grid244
- Excel Example 5: Using a Surface Plot247
- Writing Vbscripts248
  - Types of Scripts in VBS248
  - Loading and Saving Vbscripts248
  - The Default Parameter Function Script: Explanatory Notes251
  - Scripting with Vbscript252
  - Variable Types252
- Variable Names253
- Arithmetic Operators254
- VBS Controls255
  - Summary of if257
  - Select Case258
  - Summary of Select Case258
  - While259
  - For259
- VBS Keywords and Functions260
  - Other VBS Words261
- Functions262
- Hints and Tips for Vbscripting263
- Errors264
- Error Handling266
- Speed of Execution266
- Scripting Ideas267
- Debugging Scripts267
- Horizontal Control Variables268
- Vertical Control Variables268
- List of Variables Available to Scripts268
- Communicating with Excel from a Vbscript269
- Calling MATLAB from the Instrument270
- How to Select a Waveform Function Call271
- The MATLAB Waveform Control Panel272
- MATLAB Waveform Function Editor - Example272
- MATLAB Example Waveform Plot274
- How to Select a MATLAB Parameter Call274
- The MATLAB Parameter Control Panel275
- The MATLAB Parameter Editor275
- MATLAB Example Parameter Panel276
- More Examples of MATLAB Waveform Functions277
- Creating Your Own MATLAB Function280
Customdso281
- What Is Customdso281
- Invoking Customdso281
- Customdso Basic Mode282
- Editing a Customdso Setup File282
- Creating a Customdso Setup File283
- Customdso Plugin Mode284
- Creating a Customdso Plugin284
- Properties of the Control and Its Objects285
- Removing a Plugin288
- Plugin Example 1: Exchanging Two Traces on the Grids289
- Second Example Plugin: Log-Log FFT Plot291
- Control Variables in Customdso293
Labnotebook293
- Introduction to Labnotebook293
- Preferences293
- Recalling Notebook Entries298
- Creating a Report299
- Formatting the Report300
- Managing Notebook Entry Data301
Processing Web Option302
- Using the Web Editor303
Serial Data Analyzer306
- Serial Data Analyzer Standard and Optional Capabilities306
  - SDA Capabilities306
  - SDM Capabilities307
  - ASDA-J Capabilities307
- Jitter Wizard309
- SDA Basic Setup312
- PLL Setup315
- Summary317
- Mask Test317
  - Eye Setup318
  - Mask Margin319
  - Testing320
- Bit Error Rate - ASDA-J Option Only320
- Serial Trigger321
  - Serial Trigger Setup322
  - PLL Locking323
  - Setting the Data Pattern323
  - Storing and Recalling Serial Data Patterns into the Trigger325
  - Using the Serial Pattern Trigger325
- Jitter Setup325
- SDA DBI Controls329
- SDA 13000/11000/9000 DBI Controls329
- Vertical Noise Calibration330
- Running the Script330
- Using Noise Compensation331
- Jitter Measurements332
- Pj Breakdown333
- Alternate Jitter Breakdown Methods (Option ASDA-J Only)333
  - Effective Jitter333
  - MJSQ Jitter335
- Bathtub Curve336
- Jitter Filter337
- TIE Histogram337
- DDJ (Synchronous N-Cycle Plot)338
- Ddj (ISI Plot) - ASDA-J Option Only339
- Edge-To-Edge Basic Setup341
- Edge-Edge Jitter Measurements342
- Edge-Edge Jitter Measurement Controls345
  - Adjust Rj345
  - Async N Cycle Plot345
  - Edge-Edge Spacing Controls345
SDA Function Reference346
- Altncycle347
  - Altncycle Control Summary348
- Htie to BER350
- Jitter Filter Function352
- Slice2Persist353
Multi-Eye Measurements355
- Overview of Multi-Eye Measurement Tools355
- Setup and Installation356
  - Multi-Eye Setup and Installation356
  - Example Setups357
- Front Side Bus (FSB)359
  - Introduction to FSB359
  - FSB Theory of Operation360
- Transition/Non-Transition Eye Diagram363
- Gated (Qualified) Eye Diagram364
SDA Theory365
- Clock Recovery365
- Eye Pattern368
  - Eye Violation Locator (ASDA Option)369
- Eye Pattern Measurements370
- Jitter Measurement373
- Comparing Models382
  - Bit Error Rate383
  - Bit Error Map383
- Vertical Noise Compensation385
- Q-Scale Theory386

Brand	LeCroy
Model	SDA
Category	Measuring Instruments
Language	English

LeCroy SDA User Manual

Table of Contents

Questions and Answers:

LeCroy SDA Specifications