Tektronix DPOJET Jitter, Noise,Eye Diagram Analysis Solution Help User manual

DPOJET
Jitter, Noise and Eye Diagram Analysis Solution

Printable Application Help

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077-0048-30

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Table of Contents

Table of Contents

List of Figures..............................................................................................................................................................................20

List of Tables............................................................................................................................................................................... 27

Welcome..................................................................................................................................................................................... 33

Introduction to the application..................................................................................................................................................... 34

Related documentation........................................................................................................................................................ 34

Conventions......................................................................................................................................................................... 34

Technical support.................................................................................................................................................................35

Customer feedback..............................................................................................................................................................35

Getting started.............................................................................................................................................................................37

Product description.............................................................................................................................................................. 37

DPOJET option levels..........................................................................................................................................................37

Compatibility........................................................................................................................................................................ 38

Requirements and restrictions............................................................................................................................................. 38

Supported probes................................................................................................................................................................ 39

Installing the application.......................................................................................................................................................39

About DPOJET.................................................................................................................................................................... 40

Operating basics......................................................................................................................................................................... 41

About basic operations........................................................................................................................................................ 41

Starting the application................................................................................................................................................. 41

Application interface menu controls..............................................................................................................................41

Virtual keypad............................................................................................................................................................... 41

Tips on DPOJET user interface.................................................................................................................................... 42

Basic oscilloscope functions................................................................................................................................................ 42

Application directories...................................................................................................................................................42

File name extensions....................................................................................................................................................43

Application menu shortcuts...........................................................................................................................................44

Returning to the application.......................................................................................................................................... 45

Warning log notifiers..................................................................................................................................................... 45

Saving and recalling setups................................................................................................................................................. 46

Saving a setup.............................................................................................................................................................. 46

Recalling a saved setup................................................................................................................................................46

Recalling the default setup........................................................................................................................................... 46

Jitter, Noise and Eye Diagram Analysis...................................................................................................................................... 47

About Jitter, Noise and Eye-diagram analysis..................................................................................................................... 47

Setting up DPOJET to take measurements......................................................................................................................... 49

Setting up the application for analysis.......................................................................................................................... 49

Deskew for accurate measurement.............................................................................................................................. 50

Selecting a measurement............................................................................................................................................. 51

Table of measurements-Period/Freq.............................................................................................................................52

Table of measurements-Jitter........................................................................................................................................53

Table of measurements-Noise...................................................................................................................................... 55

Table of measurements-Time....................................................................................................................................... 57

Table of measurements-Eye......................................................................................................................................... 58

Table of measurements-Amplitude............................................................................................................................... 59

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 5

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Table of measurements-Standard.................................................................................................................................60

Test point selection in the standard tab........................................................................................................................ 64

Configuring measurements..................................................................................................................................................65

About configuring a measurement................................................................................................................................65

General......................................................................................................................................................................... 66

Global........................................................................................................................................................................... 66

Filters............................................................................................................................................................................ 71

Clock recovery.............................................................................................................................................................. 76

Bit config....................................................................................................................................................................... 89

BER.............................................................................................................................................................................. 97

RJ-DJ............................................................................................................................................................................98

RN-DN........................................................................................................................................................................ 100

Bus state.....................................................................................................................................................................103

Custom gating.............................................................................................................................................................105

Edges..........................................................................................................................................................................106

SSC.............................................................................................................................................................................119

Margin.........................................................................................................................................................................120

DFE.............................................................................................................................................................................120

General configuration (DPOJET)....................................................................................................................................... 122

One touch jitter........................................................................................................................................................... 122

Serial Data/Jitter guide................................................................................................................................................124

Source configuration...................................................................................................................................................131

Preferences setup.......................................................................................................................................................147

Export data and measurement....................................................................................................................................153

Data logging................................................................................................................................................................157

Sequencing.................................................................................................................................................................166

Limits.......................................................................................................................................................................... 166

Measurement summary.............................................................................................................................................. 169

Results as statistics........................................................................................................................................................... 172

Viewing statistical results............................................................................................................................................172

Export results to ref waveform.................................................................................................................................... 175

Bit rate and pattern length detection...........................................................................................................................176

Result as plots................................................................................................................................................................... 177

About plots..................................................................................................................................................................177

Plot usage...................................................................................................................................................................179

Selecting plots............................................................................................................................................................ 181

Configuring plots.........................................................................................................................................................182

Viewing plots...............................................................................................................................................................199

Reports.............................................................................................................................................................................. 203

About reports.............................................................................................................................................................. 203

Tutorial...................................................................................................................................................................................... 208

Introduction to the tutorial.................................................................................................................................................. 208

Setting up the oscilloscope................................................................................................................................................ 208

Starting the application...................................................................................................................................................... 208

Waveform files................................................................................................................................................................... 208

Recalling a waveform file................................................................................................................................................... 208

Taking a period measurement............................................................................................................................................209

Taking a Gated skew measurement...................................................................................................................................210

Taking a TIE measurement................................................................................................................................................ 212

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 6

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Taking an eye height and width measurement...................................................................................................................213

Summary tutorial................................................................................................................................................................214

Stopping the tutorial........................................................................................................................................................... 215

Returning to the tutorial......................................................................................................................................................215

Parameters................................................................................................................................................................................216

About parameters.............................................................................................................................................................. 216

Measurement select parameters....................................................................................................................................... 216

Autoset parameters............................................................................................................................................................217

Ref level menu parameters................................................................................................................................................217

Preferences parameters.................................................................................................................................................... 218

Deskew parameters........................................................................................................................................................... 219

Data logging parameters....................................................................................................................................................220

Control panel parameters.................................................................................................................................................. 221

Configure measurement parameters................................................................................................................................. 221

Bit config parameters..................................................................................................................................................221

BER parameters......................................................................................................................................................... 222

Edges parameters...................................................................................................................................................... 222

Clock recovery parameters.........................................................................................................................................225

SSC parameters......................................................................................................................................................... 228

RJ-DJ analysis parameters.........................................................................................................................................228

RN-DN analysis parameters....................................................................................................................................... 229

Filters parameters.......................................................................................................................................................230

Bus state.....................................................................................................................................................................230

General parameters....................................................................................................................................................231

Global parameters...................................................................................................................................................... 231

Margin parameters......................................................................................................................................................232

DFE parameters..........................................................................................................................................................232

Plots................................................................................................................................................................................... 233

Histogram plot parameters..........................................................................................................................................233

Eye diagram plot parameters......................................................................................................................................233

Spectrum plot parameters...........................................................................................................................................234

Time trend plot parameters.........................................................................................................................................234

Phase noise plot parameters...................................................................................................................................... 235

Bathtub plot parameters............................................................................................................................................. 235

Transfer function plot parameters...............................................................................................................................235

Composite jitter histogram plot parameters................................................................................................................ 235

Noise bathtub plot parameters....................................................................................................................................236

BER Eye contour plot paramters................................................................................................................................ 236

Composite noise histogram plot parameters.............................................................................................................. 236

BER Eye plot parameters........................................................................................................................................... 237

Correlated Eye plot parameters..................................................................................................................................237

PDF Eye plot parameters............................................................................................................................................237

Reports.............................................................................................................................................................................. 237

Reference..................................................................................................................................................................................239

Progress bar status messages.......................................................................................................................................... 239

Breakdown of jitter (Jitter map).......................................................................................................................................... 242

Breakdown of noise (Noise map).......................................................................................................................................244

Error codes........................................................................................................................................................................ 246

Measurement range limit values........................................................................................................................................ 252

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 7

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Measurement units............................................................................................................................................................ 258

Custom mask file requirements......................................................................................................................................... 259

Correlation of measurement to configuration.....................................................................................................................260

Algorithms................................................................................................................................................................................. 268

About algorithms................................................................................................................................................................ 268

Period/Freq measurements............................................................................................................................................... 268

Period......................................................................................................................................................................... 268

Positive and negative width........................................................................................................................................ 268

Frequency...................................................................................................................................................................269

N-Period......................................................................................................................................................................269

Positive and negative duty cycle.................................................................................................................................270

CC-Period................................................................................................................................................................... 270

Positive and negative CC duty....................................................................................................................................271

Data rate..................................................................................................................................................................... 271

Jitter measurements.......................................................................................................................................................... 271

TIE.............................................................................................................................................................................. 271

RJ............................................................................................................................................................................... 272

RJ(h)........................................................................................................................................................................... 272

RJ(v)........................................................................................................................................................................... 272

Dual dirac random jitter...............................................................................................................................................272

Jitter summary............................................................................................................................................................ 273

TJ@BER.....................................................................................................................................................................273

DJ............................................................................................................................................................................... 273

Dual Dirac deterministic jitter...................................................................................................................................... 273

Phase noise................................................................................................................................................................ 273

PJ................................................................................................................................................................................273

PJ(h)........................................................................................................................................................................... 273

PJ(v)........................................................................................................................................................................... 273

NPJ............................................................................................................................................................................. 274

DDJ.............................................................................................................................................................................274

DCD............................................................................................................................................................................ 274

J2................................................................................................................................................................................ 274

J9................................................................................................................................................................................ 274

SRJ............................................................................................................................................................................. 274

F/N.............................................................................................................................................................................. 274

PJrms..........................................................................................................................................................................275

SJ@Freq.....................................................................................................................................................................275

Clock Pk-Pk................................................................................................................................................................ 275

Noise measurements......................................................................................................................................................... 276

TN@BER.................................................................................................................................................................... 276

RN...............................................................................................................................................................................276

RN(v).......................................................................................................................................................................... 276

RN(h).......................................................................................................................................................................... 276

DN...............................................................................................................................................................................277

PN...............................................................................................................................................................................277

PN(v)...........................................................................................................................................................................277

PN(h).......................................................................................................................................................................... 277

DDN(0)........................................................................................................................................................................277

DDN(1)........................................................................................................................................................................278

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 8

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DDN............................................................................................................................................................................ 278

NPN............................................................................................................................................................................ 278

Unit Amplitude............................................................................................................................................................ 278

Noise summary...........................................................................................................................................................278

Timing measurements........................................................................................................................................................279

Rise time.....................................................................................................................................................................279

Fall time...................................................................................................................................................................... 279

Gated Skew................................................................................................................................................................ 279

Skew........................................................................................................................................................................... 280

High time.....................................................................................................................................................................280

Low time..................................................................................................................................................................... 280

Setup.......................................................................................................................................................................... 280

Rising Slew Rate measurement algorithm..................................................................................................................281

Fall slew rate...............................................................................................................................................................281

Hold............................................................................................................................................................................ 282

SSC profile..................................................................................................................................................................282

SSC MOD rate............................................................................................................................................................282

SSC FREQ DEV MIN..................................................................................................................................................283

SSC FREQ DEV MAX................................................................................................................................................ 283

SSC FREQ DEV......................................................................................................................................................... 283

tCMD-CMD................................................................................................................................................................. 283

Time Outside Level measurement algorithm.............................................................................................................. 284

Eye diagram measurements.............................................................................................................................................. 284

Eye width.................................................................................................................................................................... 284

Width@BER................................................................................................................................................................285

Eye height...................................................................................................................................................................285

Height@BER.............................................................................................................................................................. 285

Eye high......................................................................................................................................................................285

Eye low....................................................................................................................................................................... 286

Q-factor.......................................................................................................................................................................286

Mask hits.....................................................................................................................................................................287

Autofit mask hits......................................................................................................................................................... 287

V-Widest Open Eye.................................................................................................................................................... 287

DFE eye height........................................................................................................................................................... 287

DFE eye width............................................................................................................................................................ 288

DFE eye diagram........................................................................................................................................................288

Amplitude measurements.................................................................................................................................................. 288

AC RMS......................................................................................................................................................................288

High............................................................................................................................................................................ 288

Low............................................................................................................................................................................. 289

DC common mode......................................................................................................................................................289

AC common mode...................................................................................................................................................... 289

T/nT ratio.................................................................................................................................................................... 290

High-Low.....................................................................................................................................................................291

V-Diff-Xovr...................................................................................................................................................................291

Overshoot................................................................................................................................................................... 292

Undershoot................................................................................................................................................................. 292

Cycle max................................................................................................................................................................... 292

Cycle min.................................................................................................................................................................... 293

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 9

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Cycle Pk-Pk................................................................................................................................................................ 293

Standard-Specific measurements......................................................................................................................................293

PCIe T-Tx-Diff-PP.......................................................................................................................................................293

PCIe T-TX...................................................................................................................................................................294

PCIe T-Tx-Fall.............................................................................................................................................................294

PCIe Tmin-Pulse.........................................................................................................................................................295

PCIe DeEmph.............................................................................................................................................................295

PCIe T-Tx-Rise........................................................................................................................................................... 295

PCIe UI....................................................................................................................................................................... 296

PCIe Med-Mx-Jitter.....................................................................................................................................................296

PCIe T-RF-Mismch..................................................................................................................................................... 296

PCIe MAX-MIN ratio................................................................................................................................................... 296

PCIe SSC PROFILE................................................................................................................................................... 297

PCIe SSC FREQ DEV................................................................................................................................................ 297

PCIe AC common mode............................................................................................................................................. 297

USB VTx-Diff-PP.........................................................................................................................................................298

USB TCdr-Slew-Max...................................................................................................................................................298

USB Tmin-Pulse-Tj..................................................................................................................................................... 299

USB Tmin-Pulse-Dj.....................................................................................................................................................299

USB SSC MOD RATE................................................................................................................................................ 299

USB SSC FREQ-DEV-MAX........................................................................................................................................299

USB SSC FREQ-DEV-MIN.........................................................................................................................................300

USB SSC PROFILE....................................................................................................................................................300

USB UI........................................................................................................................................................................300

USB AC common mode..............................................................................................................................................300

Average optical power................................................................................................................................................ 300

Extinction ratio............................................................................................................................................................ 300

Optical modulation amplitude......................................................................................................................................301

Optical high.................................................................................................................................................................301

Optical low.................................................................................................................................................................. 301

Eye Crossing Level.....................................................................................................................................................302

Eye Crossing Time......................................................................................................................................................302

Eye Crossing Percent................................................................................................................................................. 302

Mask Hit Ratio.............................................................................................................................................................303

Mask Margin............................................................................................................................................................... 303

Jitter separation................................................................................................................................................................. 303

Jitter analysis through RJ-DJ separation.................................................................................................................... 303

RJ-DJ separation via spectrum analysis.....................................................................................................................303

RJ-DJ separation for arbitrary patterns.......................................................................................................................304

Separation of Non-Periodic jitter (NPJ).......................................................................................................................304

Estimation of TJ@BER and eye Width@BER............................................................................................................ 304

Jitter estimation using Dual-Dirac models...................................................................................................................305

Joint Jitter/Noise analysis.................................................................................................................................................. 305

Differences between Jitter-Only and Jitter+Noise analysis.........................................................................................305

Use of Jitter+Noise analysis when DJAN is not enabled............................................................................................ 306

Basic steps in joint Jitter+Noise analysis.................................................................................................................... 306

Noise model component interrelationships.................................................................................................................306

Results............................................................................................................................................................................... 307

GPIB commands....................................................................................................................................................................... 309

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 10

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About the GPIB program....................................................................................................................................................309

GPIB reference materials...................................................................................................................................................309

Argument types..................................................................................................................................................................309

DPOJET:ACTIVATE........................................................................................................................................................... 309

DPOJET:ADDMeas............................................................................................................................................................310

DPOJET:APPLYAll............................................................................................................................................................. 310

DPOJET:BITRatestate....................................................................................................................................................... 310

DPOJET:CLEARALLMeas................................................................................................................................................. 311

DPOJET:DATAratelimits..................................................................................................................................................... 311

DPOJET:DESKEW.............................................................................................................................................................311

DPOJET:DESKEW:DESKEWchannel................................................................................................................................311

DPOJET:DESKEW:DESKEWHysteresis........................................................................................................................... 312

DPOJET:DESKEW:DESKEWMidlevel...............................................................................................................................312

DPOJET:DESKEW:EDGE..................................................................................................................................................312

DPOJET:DESKEW:MAXimum........................................................................................................................................... 313

DPOJET:DESKEW:MINimum............................................................................................................................................ 313

DPOJET:DESKEW:REFChannel....................................................................................................................................... 313

DPOJET:DESKEW:REFHysteresis....................................................................................................................................313

DPOJET:DESKEW:REFMidlevel....................................................................................................................................... 314

DPOJET:DIRacmodel........................................................................................................................................................ 314

DPOJET:EXPORT..............................................................................................................................................................314

DPOJET:EXPORTRaw...................................................................................................................................................... 315

DPOJET:GATING...............................................................................................................................................................315

DPOJET:HALTFreerunonlimfail..........................................................................................................................................315

DPOJET:HIGHPerfrendering............................................................................................................................................. 315

DPOJET:INTERp............................................................................................................................................................... 316

DPOJET:JITtermode?........................................................................................................................................................ 316

DPOJET:JITtermodel......................................................................................................................................................... 316

DPOJET:ANALYSISMETHOD........................................................................................................................................... 316

DPOJET:LASTError?......................................................................................................................................................... 317

DPOJET:LIMITRise............................................................................................................................................................317

DPOJET:MINBUJUI........................................................................................................................................................... 317

DPOJET:LIMits:FILEName................................................................................................................................................ 317

DPOJET:LIMits:STATE.......................................................................................................................................................318

DPOJET:LOGging:MEASurements:FOLDer......................................................................................................................318

DPOJET:LOGging:MEASurements:STATE........................................................................................................................318

DPOJET:LOGging:SNAPshot............................................................................................................................................ 319

DPOJET:LOGging:STATistics:FILEName.......................................................................................................................... 319

DPOJET:LOGging:STATistics:STATE................................................................................................................................319

DPOJET:LOGging:WORSTcase:FOLDer...........................................................................................................................319

DPOJET:LOGging:WORSTcase:STATE............................................................................................................................ 320

DPOJET:MEAS<x>............................................................................................................................................................ 320

DPOJET:MEAS<x>:BER:TARGETBER.............................................................................................................................320

DPOJET:MEAS<x>:BITCfgmethod....................................................................................................................................321

DPOJET:MEAS<x>:BITPcnt.............................................................................................................................................. 321

DPOJET:MEAS<x>:BITConfig:STARTPercent.................................................................................................................. 321

DPOJET:MEAS<x>:BITConfig:ENDPercent...................................................................................................................... 321

DPOJET:MEAS<x>:BITConfig:NUMBins...........................................................................................................................322

DPOJET:MEAS<x>:BITConfig:ABSRELstate.................................................................................................................... 322

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DPOJET:MEAS<x>:BITType..............................................................................................................................................322

DPOJET:MEAS<x>:BUSState:CLOCKPolarity..................................................................................................................323

DPOJET:MEAS<x>:BUSState:FROMPattern.................................................................................................................... 323

DPOJET:MEAS<x>:BUSState:FROMSymbol....................................................................................................................323

DPOJET:MEAS<x>:BUSState:MEASUREType.................................................................................................................324

DPOJET:MEAS<x>:BUSState:MEASUREFrom................................................................................................................ 324

DPOJET:MEAS<x>:BUSState:MEASURETO....................................................................................................................324

DPOJET:MEAS<x>:BUSState:TOPattern..........................................................................................................................324

DPOJET:MEAS<x>:BUSState:TOSymbol......................................................................................................................... 325

DPOJET:MEAS<x>:CLOCKRecovery:BHVRSTANdard....................................................................................................325

DPOJET:MEAS<x>:CLOCKRecovery:CLOCKBitrate........................................................................................................325

DPOJET:MEAS<x>:CLOCKRecovery:CLOCKFrequency................................................................................................. 326

DPOJET:MEAS<x>:CLOCKRecovery:CLOCKMultiplier....................................................................................................326

DPOJET:MEAS<x>:CLOCKRecovery:CLOCKPath...........................................................................................................326

DPOJET:MEAS<x>:CLOCKRecovery:DAMPing............................................................................................................... 326

DPOJET:MEAS<x>:CLOCKRecovery:DATARate..............................................................................................................327

DPOJET:MEAS<x>:CLOCKRecovery:BWType.................................................................................................................327

DPOJET:MEAS<x>:CLOCKRecovery:LOOPBandwidth....................................................................................................327

DPOJET:MEAS<x>:CLOCKRecovery:MEANAUTOCalculate........................................................................................... 328

DPOJET:MEAS<x>:CLOCKRecovery:METHod................................................................................................................ 328

DPOJET:MEAS<x>:CLOCKRecovery:MODel................................................................................................................... 328

DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset.................................................................................................. 328

DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:AUTO?..................................................................................... 329

DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:MANual.................................................................................... 329

DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:Recalctype............................................................................... 329

DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:SELECTIONtype......................................................................330

DPOJET:MEAS<x>:CLOCKRecovery:PATTern................................................................................................................. 330

DPOJET:MEAS<x>:CLOCKRecovery:STAndard...............................................................................................................330

DPOJET:MEAS<x>:COMMONMode:FILTers:STATE.........................................................................................................330

DPOJET:MEAS<x>:CUSTomname....................................................................................................................................331

DPOJET:MEAS<x>:CUSTOMGATING:SOURCE1GATE.................................................................................................. 331

DPOJET:MEAS<x>:CUSTOMGATING:SOURCE2GATE.................................................................................................. 331

DPOJET:MEAS<x>:CUSTOMGATING:FROMedge.......................................................................................................... 332

DPOJET:MEAS<x>:CUSTOMGATING:TOedge................................................................................................................332

DPOJET:MEAS<x>:CUSTOMGATING:MEASUREMENTEdge.........................................................................................332

DPOJET:MEAS<x>:DATA?................................................................................................................................................ 333

DPOJET:MEAS<x>:DFE:RESOlution................................................................................................................................ 333

DPOJET:MEAS<x>:DFE:TAPState....................................................................................................................................333

DPOJET:MEAS<x>:DFE:ABSOLUTEVOLTAGEState.......................................................................................................334

DPOJET:MEAS<x>:DFE:ABSOLUTEVOLTAGEValue...................................................................................................... 334

DPOJET:MEAS<x>:DFE:ABSOLUTETIMEState...............................................................................................................334

DPOJET:MEAS<x>:DFE:ABSOLUTETIMEValue.............................................................................................................. 334

DPOJET:MEAS<x>:DFE:MEASatpercent..........................................................................................................................335

DPOJET:MEAS<x>:DFE:DELAYCOMPENSATION.......................................................................................................... 335

DPOJET:MEAS<x>:DFE:MANUALDELAY........................................................................................................................ 335

DPOJET:MEAS<x>:DISPLAYNAME?................................................................................................................................336

DPOJET:MEAS<x>:DFE:TAPValue................................................................................................................................... 336

DPOJET:MEAS<x>:EDGE1...............................................................................................................................................336

DPOJET:MEAS<x>:EDGE2...............................................................................................................................................336

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DPOJET:MEAS<x>:EDGEIncre.........................................................................................................................................337

DPOJET:MEAS<x>:EDGES:FROMLevel.......................................................................................................................... 337

DPOJET:MEAS<x>:EDGES:LEVel.................................................................................................................................... 337

DPOJET:MEAS<x>:EDGES:SLEWRATETechnique..........................................................................................................338

DPOJET:MEAS<x>:EDGES:SUBRATEDivisor..................................................................................................................338

DPOJET:MEAS<x>:EDGES:EYEHeightstate.................................................................................................................... 338

DPOJET:MEAS<x>:EDGES:VOLTAGEState.....................................................................................................................338

DPOJET:MEAS<x>:EDGES:USERDefinedvoltage............................................................................................................339

DPOJET:MEAS<x>:EDGES:TOLevel................................................................................................................................339

DPOJET:MEAS<x>:FILTers:BLANKingtime.......................................................................................................................339

DPOJET:MEAS<x>:FILTers:HIGHPass:FREQ.................................................................................................................. 340

DPOJET:MEAS<x>:FILTers:HIGHPass:SPEC...................................................................................................................340

DPOJET:MEAS<x>:FILTers:LOWPass:FREQ................................................................................................................... 340

DPOJET:MEAS<x>:FILTers:LOWPass:SPEC................................................................................................................... 340

DPOJET:MEAS<x>:FILTers:SJBAndwidth.........................................................................................................................341

DPOJET:MEAS<x>:FILTers:SJFRequency........................................................................................................................341

DPOJET:MEAS<x>:REFVoltage........................................................................................................................................341

DPOJET:MEAS<x>:FILTers:RAMPtime............................................................................................................................. 342

DPOJET:MEAS<x>:FROMedge........................................................................................................................................ 342

DPOJET:MEAS<x>:HIGHREFVoltage...............................................................................................................................342

DPOJET:MEAS<x>:LOWREFVoltage................................................................................................................................342

DPOJET:MEAS<x>:LOGging:MEASurements:FILEname?...............................................................................................343

DPOJET:MEAS<x>:LOGging:MEASurements:SELect......................................................................................................343

DPOJET:MEAS<x>:LOGging:STATistics:SELect...............................................................................................................343

DPOJET:MEAS<x>:LOGging:WORSTcase:SELect...........................................................................................................343

DPOJET:MEAS<x>:MARGIN:HITCOUNTValue................................................................................................................ 344

DPOJET:MEAS<x>:MARGIN:HITRATIOState...................................................................................................................344

DPOJET:MEAS<x>:MARGIN:HITRATIOValue.................................................................................................................. 344

DPOJET:MEAS<x>:MARGIN:RESOlution.........................................................................................................................345

DPOJET:MEAS<x>:MASKfile............................................................................................................................................ 345

DPOJET:MEAS<x>:MASKOffset:HORIzontal:SELECTIONtype........................................................................................345

DPOJET:MEAS<x>:MASKOffset:HORIzontal:AUTOfit?....................................................................................................346

DPOJET:MEAS<x>:MASKOffset:HORIzontal:MANual......................................................................................................346

DPOJET:MEAS<x>:MEASRange:MAX..............................................................................................................................346

DPOJET:MEAS<x>:MEASRange:MIN...............................................................................................................................346

DPOJET:MEAS<x>:MEASRange:STATE.......................................................................................................................... 347

DPOJET:MEAS<x>:MEASStart......................................................................................................................................... 347

DPOJET:MEAS<x>:N........................................................................................................................................................ 347

DPOJET:MEAS<x>:NAME?...............................................................................................................................................347

DPOJET:MEAS<x>:PHASENoise:HIGHLimit.................................................................................................................... 348

DPOJET:MEAS<x>:PHASENoise:LOWLimit.....................................................................................................................348

DPOJET:MEAS<x>:PLOTFILES........................................................................................................................................348

DPOJET:MEAS<x>:RJDJ:SCOPERN................................................................................................................................348

DPOJET:MEAS<x>:RNDN:SCOPERN..............................................................................................................................349

DPOJET:MEAS<x>:REFVoltage........................................................................................................................................349

DPOJET:MEAS<x>:RESULts?.......................................................................................................................................... 349

DPOJET:MEAS<x>:RESULts:ALLAcqs?...........................................................................................................................350

DPOJET:MEAS<x>:RESULts:ALLAcqs:HITPopulation?................................................................................................... 350

DPOJET:MEAS<x>:RESULts:ALLAcqs:HITS?..................................................................................................................350

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DPOJET:MEAS<x>:RESULts:ALLacqs:LIMits:STATus?................................................................................................... 350

DPOJET:MEAS<x>:RESULts:ALLacqs:LIMits:HIgh:STATus?...........................................................................................350

DPOJET:MEAS<x>:RESULts:ALLacqs:LIMits:LOw:STATus?...........................................................................................351

DPOJET:MEAS<x>:RESULts:ALLAcqs:MAX?.................................................................................................................. 351

DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXCC?.............................................................................................................351

DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXCC:STATus?................................................................................................351

DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXHits?............................................................................................................351

DPOJET:MEAS<x>:RESULts:ALLAcqs:MAX:STATus?.....................................................................................................352

DPOJET:MEAS<x>:RESULts:ALLacqs:MAX:HIGHLimit?.................................................................................................352

DPOJET:MEAS<x>:RESULts:ALLacqs:MAX:HIGHMArgin?............................................................................................. 352

DPOJET:MEAS<x>:RESULts:ALLacqs:MIN:LOWLimit?...................................................................................................352

DPOJET:MEAS<x>:RESULts:ALLacqs:MIN:LOWMArgin?............................................................................................... 352

DPOJET:MEAS<x>:RESULts:ALLAcqs:MEAN?................................................................................................................353

DPOJET:MEAS<x>:RESULts:ALLacqs:MEAN:HIGHLimit?.............................................................................................. 353

DPOJET:MEAS<x>:RESULts:ALLAcqs:MEAN:STATus?.................................................................................................. 353

DPOJET:MEAS<x>:RESULts:ALLAcqs:MIN?................................................................................................................... 353

DPOJET:MEAS<x>:RESULts:ALLAcqs:MINCC?.............................................................................................................. 353

DPOJET:MEAS<x>:RESULts:ALLAcqs:MINCC:STATus?.................................................................................................354

DPOJET:MEAS<x>:RESULts:ALLAcqs:MINHits?............................................................................................................. 354

DPOJET:MEAS<x>:RESULts:ALLAcqs:MIN:STATus?......................................................................................................354

DPOJET:MEAS<x>:RESULts:ALLacqs:PK2PK?...............................................................................................................354

DPOJET:MEAS<x>:RESULts:ALLacqs:PK2PK:STATus?................................................................................................. 354

DPOJET:MEAS<x>:RESULts:ALLAcqs:POPUlation?....................................................................................................... 355

DPOJET:MEAS<x>:RESULts:ALLacqs:POPUlation:STATus?.......................................................................................... 355

DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):Hits?.......................................................................................................355

DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):MAXHits?............................................................................................... 355

DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):MINHits?................................................................................................ 355

DPOJET:MEAS<x>:RESULts:ALLAcqs:STDDev?............................................................................................................ 356

DPOJET:MEAS<x>:RESULts:ALLacqs:STDDEV:STATus?...............................................................................................356

DPOJET:MEAS<x>:RESULts:CURRentacq:MAX?........................................................................................................... 356

DPOJET:MEAS<x>:RESULts:CURRentacq:MAXCC?...................................................................................................... 356

DPOJET:MEAS<x>:RESULts:CURRentacq:MAXCC:STATus?.........................................................................................356

DPOJET:MEAS<x>:RESULts:CURRentacq:MAX:STATus?..............................................................................................357

DPOJET:MEAS<x>:RESULts:CURRentacq:MEAN?.........................................................................................................357

DPOJET:MEAS<x>:RESULts:CURRentacq:MEAN:STATus?........................................................................................... 357

DPOJET:MEAS<x>:RESULts:CURRentacq:MIN?.............................................................................................................357

DPOJET:MEAS<x>:RESULts:CURRentacq:MINCC?....................................................................................................... 357

DPOJET:MEAS<x>:RESULts:CURRentacq:MINCC:STATus?..........................................................................................358

DPOJET:MEAS<x>:RESULts:CURRentacq:MIN:STATus?............................................................................................... 358

DPOJET:MEAS<x>:RESULts:CURRentacq:PK2PK?........................................................................................................358

DPOJET:MEAS<x>:RESULts:CURRentacq:PK2PK:STATus?.......................................................................................... 358

DPOJET:MEAS<x>:RESULts:CURRentacq:POPUlation?................................................................................................ 358

DPOJET:MEAS<x>:RESULts:CURRentacq:POPUlation:STATus?...................................................................................359

DPOJET:MEAS<x>:RESULts:CURRentacq:STDDev?......................................................................................................359

DPOJET:MEAS<x>:RESULts:CURRentacq:STDDev:STATus?........................................................................................ 359

DPOJET:MEAS<x>:RESULts:GETAll................................................................................................................................ 359

DPOJET:MEAS<x>:RESULTS:STATus?........................................................................................................................... 360

DPOJET:MEAS<x>:RESULts:VIew?................................................................................................................................. 360

DPOJET:MEAS<x>:RJDJ:BER..........................................................................................................................................360

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 14

Table of Contents

DPOJET:MEAS<x>:RJDJ:DETECTPLEN..........................................................................................................................360

DPOJET:MEAS<x>:RJDJ:PATLen.....................................................................................................................................361

DPOJET:MEAS<x>:RJDJ:TYPe........................................................................................................................................ 361

DPOJET:MEAS<x>:RJDJ:WINDOwlength.........................................................................................................................361

DPOJET:MEAS<x>:RNDN:BER........................................................................................................................................ 361

DPOJET:MEAS<x>:RNDN:AUTODETECTpattern............................................................................................................ 362

DPOJET:MEAS<x>:RNDN:PATLen................................................................................................................................... 362

DPOJET:MEAS<x>:RNDN:TYPe.......................................................................................................................................362

DPOJET:MEAS<x>:RNDN:WINDOwlength.......................................................................................................................362

DPOJET:MEAS<x>:SIGNALType...................................................................................................................................... 363

DPOJET:MEAS<x>:SOUrce1............................................................................................................................................ 363

DPOJET:MEAS<x>:SOUrce2............................................................................................................................................ 363

DPOJET:MEAS<x>:SSC:NOMinalfreq:AUTO?..................................................................................................................364

DPOJET:MEAS<x>:SSC:NOMinalfreq:MANual.................................................................................................................364

DPOJET:MEAS<x>:SSC:NOMinalfreq:SELECTIONtype.................................................................................................. 364

DPOJET:MEAS<x>:TIMEDATa?........................................................................................................................................364

DPOJET:MEAS<x>:TOEdge..............................................................................................................................................365

DPOJET:MEAS<x>:ZOOMEVENT.................................................................................................................................... 365

DPOJET:NOISEENABLED................................................................................................................................................ 365

DPOJET:NUMPlot?............................................................................................................................................................366

DPOJET:NUMMeas?......................................................................................................................................................... 366

DPOJET:OPTICALUNITType.............................................................................................................................................366

DPOJET:ADDPlot.............................................................................................................................................................. 366

DPOJET:CLEARALLPlots..................................................................................................................................................367

DPOJET:PLOT<x>:COMPOSITEJitterhist:VERTical:SCALE............................................................................................ 367

DPOJET:PLOT<x>:COMPOSITEJitterhist:NUMBins.........................................................................................................367

DPOJET:PLOT<x>:COMPOSITEJitterhist:TJ....................................................................................................................367

DPOJET:PLOT<x>:COMPOSITEJitterhist:RJNPJ.............................................................................................................368

DPOJET:PLOT<x>:COMPOSITEJitterhist:PJ....................................................................................................................368

DPOJET:PLOT<x>:COMPOSITEJitterhist:DDJDCD......................................................................................................... 368

DPOJET:PLOT<x>:CURRENTUISACquired..................................................................................................................... 369

DPOJET:PLOT<x>:CURRENTUISANalyzed.....................................................................................................................369

DPOJET:PLOT<x>:DATA:XDATa?.....................................................................................................................................369

DPOJET:PLOT<x>:DATA:XDATa:TJ?................................................................................................................................370

DPOJET:PLOT<x>:DATA:XDATa:RJBUJ?.........................................................................................................................370

DPOJET:PLOT<x>:DATA:XDATa:PJ?................................................................................................................................370

DPOJET:PLOT<x>:DATA:XDATa:DDJDCD?..................................................................................................................... 371

DPOJET:PLOT<x>:DATA:XDATa:TN................................................................................................................................. 371

DPOJET:PLOT<x>:DATA:XDATa:RNNPN......................................................................................................................... 371

DPOJET:PLOT<x>:DATA:XDATa:PN.................................................................................................................................372

DPOJET:PLOT<x>:DATA:XDATa:DDNZERO.................................................................................................................... 372

DPOJET:PLOT<x>:DATA:XDATa:DDNONE...................................................................................................................... 372

DPOJET:PLOT<x>:DATA:YDATa?.....................................................................................................................................373

DPOJET:PLOT<x>:DATA:YDATa:TJ?................................................................................................................................373

DPOJET:PLOT<x>:DATA:YDATa:RJBUJ?.........................................................................................................................373

DPOJET:PLOT<x>:DATA:YDATa:PJ?................................................................................................................................374

DPOJET:PLOT<x>:DATA:YDATa:DDJDCD?..................................................................................................................... 374

DPOJET:PLOT<x>:DATA:YDATa:TN................................................................................................................................. 374

DPOJET:PLOT<x>:DATA:YDATa:RNNPN......................................................................................................................... 375

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 15

Table of Contents

DPOJET:PLOT<x>:DATA:YDATa:PN.................................................................................................................................375

DPOJET:PLOT<x>:DATA:YDATa:DDNONE...................................................................................................................... 376

DPOJET:PLOT<x>:DATA:YDATa:DDNZERO.................................................................................................................... 376

DPOJET:PLOT<x>:XUnits?............................................................................................................................................... 376

DPOJET:PLOT<x>:YUnits?............................................................................................................................................... 377

DPOJET:PLOT<x>:SOUrce?............................................................................................................................................. 377

DPOJET:PLOT<x>:TREND:TYPe......................................................................................................................................377

DPOJET:PLOT<x>:TYPe?................................................................................................................................................. 377

DPOJET:PLOT<x>:BATHtub:BER..................................................................................................................................... 378

DPOJET:PLOT<x>:BATHtub:VERTical:SCALE.................................................................................................................378

DPOJET:PLOT<x>:EYE:ALIGNment................................................................................................................................. 378

DPOJET:PLOT<x>:EYE:HORizontal:AUTOscale.............................................................................................................. 379

DPOJET:PLOT<x>:EYE:HORizontal:RESolution.............................................................................................................. 379

DPOJET:PLOT<x>:EYE:INTERPolationtype..................................................................................................................... 379

DPOJET:PLOT<x>:EYE:MASKfile..................................................................................................................................... 379

DPOJET:PLOT<x>:EYE:STATE.........................................................................................................................................380

DPOJET:PLOT<x>:EYE:SUPERImpose............................................................................................................................380

DPOJET:PLOT<x>:EYE:VERTICALAlignment.................................................................................................................. 380

DPOJET:PLOT<x>:EYE:VERTScale................................................................................................................................. 381

DPOJET:PLOT<x>:EYE:HORIZScale............................................................................................................................... 381

DPOJET:PLOT<x>:EYE:VERTical:YAXISMAx.................................................................................................................. 381

DPOJET:PLOT<x>:EYE:VERTical:YAXISMIn....................................................................................................................382

DPOJET:PLOT<x>:EYE:HORizontal:XAXISMAx...............................................................................................................382

DPOJET:PLOT<x>:EYE:HORizontal:XAXISMIn................................................................................................................382

DPOJET:PLOT<x>:TOTALUISAnalyzed?..........................................................................................................................382

DPOJET:PLOT<x>:TOTALUISAcquired?.......................................................................................................................... 383

DPOJET:PLOT<x>:HISTOgram:HORizontal:SPAN...........................................................................................................383

DPOJET:PLOT<x>:HISTOgram:AUTOset......................................................................................................................... 383

DPOJET:PLOT<x>:HISTOgram:HORizontal:AUTOscale.................................................................................................. 383

DPOJET:PLOT<x>:HISTOgram:HORizontal:CENter.........................................................................................................384

DPOJET:PLOT<x>:HISTOgram:HORizontal:SPAN...........................................................................................................384

DPOJET:PLOT<x>:HISTOgram:NUMBins.........................................................................................................................384

DPOJET:PLOT<x>:HISTOgram:VERTical:SCALE............................................................................................................ 385

DPOJET:PLOT<x>:PHASEnoise:BASEline....................................................................................................................... 385

DPOJET:PLOT<x>:PHASEnoise:SMOOTHENINGFilter................................................................................................... 386

DPOJET:PLOT<x>:SPECtrum:BASE................................................................................................................................ 386

DPOJET:PLOT<x>:SPECtrum:HORizontal:SCALE...........................................................................................................386

DPOJET:PLOT<x>:SPECtrum:MODE............................................................................................................................... 386

DPOJET:PLOT<x>:SPECtrum:VERTical:SCALE.............................................................................................................. 387

DPOJET:PLOT<x>:TRANSfer:DENominator..................................................................................................................... 387

DPOJET:PLOT<x>:TRANSfer:HORizontal:SCALE........................................................................................................... 387

DPOJET:PLOT<x>:TRANSfer:MODE................................................................................................................................388

DPOJET:PLOT<x>:TRANSfer:NUMerator......................................................................................................................... 388

DPOJET:PLOT<x>:TRANSfer:VERTical:SCALE...............................................................................................................388

DPOJET:PLOT<x>:BERContour:ALIGNment.................................................................................................................... 389

DPOJET:PLOT<x>:BERContour:HORizontal:AUTOscale................................................................................................. 389

DPOJET:PLOT<x>:BERContour:HORizontal:RESolution................................................................................................. 389

DPOJET:PLOT<x>:BERContour:MASK.............................................................................................................................389

DPOJET:PLOT<x>:BERContour:MASKFile.......................................................................................................................390

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 16

Table of Contents

DPOJET:PLOT<x>:BERContour:SUPERImpose...............................................................................................................390

DPOJET:PLOT<x>:BERContour:BER1E6V.......................................................................................................................390

DPOJET:PLOT<x>:BERContour:BER1E9V.......................................................................................................................390

DPOJET:PLOT<x>:BERContour:BER1E12V.....................................................................................................................391

DPOJET:PLOT<x>:BERContour:BER1E15V.....................................................................................................................391

DPOJET:PLOT<x>:BERContour:BER1E18V.....................................................................................................................391

DPOJET:PLOT<x>:BERContour:TARGETBER.................................................................................................................392

DPOJET:PLOT<x>:VERTBATHtub:BER............................................................................................................................392

DPOJET:PLOT<x>:VERTBATHtub:YAXISUnits.................................................................................................................392

DPOJET:PLOT<x>:VERTBATHtub:HORIzontal:SCALE....................................................................................................392

DPOJET:PLOT<x>:CORRELATEDEye:BER1E6V............................................................................................................ 393

DPOJET:PLOT<x>:EXPORTRaw...................................................................................................................................... 393

DPOJET:PLOT<x>:CORRELATEDEye:BER1E9V............................................................................................................ 393

DPOJET:PLOT<x>:CORRELATEDEye:BER1E12V.......................................................................................................... 393

DPOJET:PLOT<x>:CORRELATEDEye:BER1E15V.......................................................................................................... 394

DPOJET:PLOT<x>:CORRELATEDEye:BER1E18V.......................................................................................................... 394

DPOJET:PLOT<x>:CORRELATEDEye:TARGETBER.......................................................................................................394

DPOJET:PLOT<x>:CORRELATEDEye:EYEHEIGHT........................................................................................................395

DPOJET:PLOT<x>:CORRELATEDEye:EYEWIDTH......................................................................................................... 395

DPOJET:PLOT<x>:PDFEye:BER1E6V............................................................................................................................. 395

DPOJET:PLOT<x>:PDFEye:BER1E9V............................................................................................................................. 395

DPOJET:PLOT<x>:PDFEye:BER1E12V........................................................................................................................... 396

DPOJET:PLOT<x>:PDFEye:BER1E15V........................................................................................................................... 396

DPOJET:PLOT<x>:PDFEye:BER1E18V........................................................................................................................... 396

DPOJET:PLOT<x>:PDFEye:TARGETBER........................................................................................................................397

DPOJET:PLOT<x>:BEREye:BER1E6V............................................................................................................................. 397

DPOJET:PLOT<x>:BEREye:BER1E9V............................................................................................................................. 397

DPOJET:PLOT<x>:BEREye:BER1E12V........................................................................................................................... 397

DPOJET:PLOT<x>:BEREye:BER1E15V........................................................................................................................... 398

DPOJET:PLOT<x>:BEREye:BER1E18V........................................................................................................................... 398

DPOJET:PLOT<x>:BEREye:TARGETBER........................................................................................................................398

DPOJET:PLOT<x>:COMPOSITENoisehist:HORIzontal:SCALE....................................................................................... 399

DPOJET:PLOT<x>:COMPOSITENoisehist:NUMBins....................................................................................................... 399

DPOJET:PLOT<x>:COMPOSITENoisehist:TN..................................................................................................................399

DPOJET:PLOT<x>:COMPOSITENoisehist:RNNPN..........................................................................................................399

DPOJET:PLOT<x>:COMPOSITENoisehist:PN..................................................................................................................400

DPOJET:PLOT<x>:COMPOSITENoisehist:DDNZERO.....................................................................................................400

DPOJET:PLOT<x>:COMPOSITENoisehist:DDNONE....................................................................................................... 400

DPOJET:PLOT<X>:EYE:EYEVerticalscale........................................................................................................................401

DPOJET:PLOT<X>:EYE:INTERPOLATIONFactor............................................................................................................ 401

DPOJET:POPULATION:CONDition................................................................................................................................... 401

DPOJET:POPULATION:LIMIT........................................................................................................................................... 401

DPOJET:POPULATION:LIMITBY...................................................................................................................................... 402

DPOJET:POPULATION:STATE......................................................................................................................................... 402

DPOJET:QUALify:ACTIVE................................................................................................................................................. 402

DPOJET:QUALify:SOUrce................................................................................................................................................. 402

DPOJET:QUALify:STATE...................................................................................................................................................403

DPOJET:REFLevel:CH<x>:MIDZero................................................................................................................................. 403

DPOJET:REFLevels:AUTOSet.......................................................................................................................................... 403

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 17

Table of Contents

DPOJET:REFLevels:AUTOset:STATE?............................................................................................................................. 404

DPOJET:REFLevels:CH<x>:AUTOSet.............................................................................................................................. 404

DPOJET:REFLevels:CH<x>:ABSolute.............................................................................................................................. 404

DPOJET:REFLevels:CH<x>:ABSolute:RISEHigh..............................................................................................................404

DPOJET:REFLevels:CH<x>:ABSolute:RISELow...............................................................................................................404

DPOJET:REFLevels:CH<x>:ABSolute:RISEMid............................................................................................................... 405

DPOJET:REFLevels:CH<x>:ABSolute:FALLHigh..............................................................................................................405

DPOJET:REFLevels:CH<x>:ABSolute:FALLLow...............................................................................................................405

DPOJET:REFLevels:CH<x>:ABSolute:FALLMid............................................................................................................... 405

DPOJET:REFLevels:CH<x>:ABSolute:HYSTeresis...........................................................................................................406

DPOJET:REFLevels:CH<x>:BASETop..............................................................................................................................406

DPOJET:REFLevels:CH<x>:PERcent............................................................................................................................... 406

DPOJET:REFLevels:CH<x>:PERcent:FALLHigh...............................................................................................................406

DPOJET:REFLevels:CH<x>:PERcent:FALLLow............................................................................................................... 407

DPOJET:REFLevels:CH<x>:PERcent:FALLMid................................................................................................................ 407

DPOJET:REFLevels:CH<x>:PERcent:PERCENTReflevel................................................................................................ 407

DPOJET:REFLevels:CH<x>:PERcent:HYSTeresis............................................................................................................408

DPOJET:REFLevels:CH<x>:PERcent:RISEHigh...............................................................................................................408

DPOJET:REFLevels:CH<x>:PERcent:RISELow............................................................................................................... 408

DPOJET:REFLevels:CH<x>:PERcent:RISEMid................................................................................................................ 408

DPOJET:REPORT............................................................................................................................................................. 409

DPOJET:REPORT:APPlicationconfig.................................................................................................................................409

DPOJET:REPORT:AUTOincrement................................................................................................................................... 409

DPOJET:REPORT:COMments...........................................................................................................................................409

DPOJET:REPORT:DETailedresults....................................................................................................................................410

DPOJET:REPORT:ENABlecomments................................................................................................................................410

DPOJET:REPORT:GETIMAGE..........................................................................................................................................410

DPOJET:REPORT:GETIMAGEName................................................................................................................................410

DPOJET:REPORT:GETXMLReport...................................................................................................................................410

DPOJET:REPORT:PASSFailresults................................................................................................................................... 411

DPOJET:REPORT:PLOTimages........................................................................................................................................ 411

DPOJET:REPORT:REPORTName.................................................................................................................................... 411

DPOJET:REPORT:SETupconfig.........................................................................................................................................411

DPOJET:REPORT:SAVEWaveforms................................................................................................................................. 412

DPOJET:REPORT:SETIMAGEPath...................................................................................................................................412

DPOJET:REPORT:STATE?................................................................................................................................................412

DPOJET:REPORT:VIEWreport.......................................................................................................................................... 412

DPOJET:RESULts:STATus?.............................................................................................................................................. 413

DPOJET:RESULts:VIew.................................................................................................................................................... 413

DPOJET:RESULts:GETALLResults?.................................................................................................................................413

DPOJET:SAVE...................................................................................................................................................................413

DPOJET:SAVEALLPLOTS.................................................................................................................................................414

DPOJET:SETIMAGETPath................................................................................................................................................ 414

DPOJET:SETLOGGINGPath............................................................................................................................................. 414

DPOJET:SETREPORTPath............................................................................................................................................... 414

DPOJET:SHOWMEASWARNing....................................................................................................................................... 415

DPOJET:SNC:ACTIvate.....................................................................................................................................................415

DPOJET:SNC:CLOse........................................................................................................................................................ 415

DPOJET:SOURCEAutoset.................................................................................................................................................415

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 18

Table of Contents

DPOJET:SOURCEAutoset:HORizontal:UICount............................................................................................................... 416

DPOJET:SOURCEAutoset:HORizontal:UIValue................................................................................................................416

DPOJET:SOURCEAutoset:STATE?...................................................................................................................................416

DPOJET:STATE................................................................................................................................................................. 416

DPOJET:TDCOMPensation............................................................................................................................................... 417

DPOJET:UNITType............................................................................................................................................................ 417

DPOJET:LOCKRJ.............................................................................................................................................................. 417

DPOJET:LOCKRJValue..................................................................................................................................................... 417

DPOJET:PLOT<x>:BATHtub:XAXISUnits..........................................................................................................................418

DPOJET:PLOT<x>:NOISEBATHtub:YAXISUnits...............................................................................................................418

DPOJET:VERTUNITType...................................................................................................................................................418

DPOJET:VERsion?............................................................................................................................................................ 419

Index......................................................................................................................................................................................... 420

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 19

List of Figures

List of Figures

Figure 1: About DPOJET............................................................................................................................................................ 40

Figure 2: Virtual keypad.............................................................................................................................................................. 42

Figure 3: Warning log notifiers(Error)..........................................................................................................................................45

Figure 4: Warning log notifiers(Warning).....................................................................................................................................45

Figure 5: Control panel................................................................................................................................................................47

Figure 6: Control panel (Show Plots).......................................................................................................................................... 48

Figure 7: Navigation panel.......................................................................................................................................................... 49

Figure 8: Deskew setup.............................................................................................................................................................. 51

Figure 9: Deskew summary channel source and deskew values............................................................................................... 51

Figure 10: Jitter Only measurements are enabled...................................................................................................................... 52

Figure 11: Jitter/Noise measurements are enabled.....................................................................................................................52

Figure 12: Test point selection in the standard tab......................................................................................................................64

Figure 13: Test point selection in the standard tab (Measurements).......................................................................................... 64

Figure 14: Test point selection in the standard tab (Measurements with show plots)................................................................. 65

Figure 15: General configuration.................................................................................................................................................66

Figure 16: Global Configuration.................................................................................................................................................. 67

Figure 17: Global-Gating.............................................................................................................................................................67

Figure 18: Global-Qualify............................................................................................................................................................ 68

Figure 19: Global-Population...................................................................................................................................................... 70

Figure 20: Configuring population limit........................................................................................................................................70

Figure 21: Filters (High Pass, Low Pass, SSC).......................................................................................................................... 71

Figure 22: Band Pass Filtering....................................................................................................................................................72

Figure 23: Filter........................................................................................................................................................................... 72

Figure 24: Filter (High Pass Frequency)..................................................................................................................................... 73

Figure 25: Brick wall filter............................................................................................................................................................ 73

Figure 26: Advanced filter configuration......................................................................................................................................75

Figure 27: Configuring Filters for SJ@Freq................................................................................................................................ 76

Figure 28: Constant clock recovery.............................................................................................................................................77

Figure 29: Constant clock - mean............................................................................................................................................... 78

Figure 30: Constant clock - median............................................................................................................................................ 78

Figure 31: Constant clock - fixed.................................................................................................................................................79

Figure 32: Clock recovery advanced setup.................................................................................................................................80

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 20

List of Figures

Figure 33: PLL clock recovery setup...........................................................................................................................................81

Figure 34: PLL standard BW.......................................................................................................................................................82

Figure 35: PLL custom BW......................................................................................................................................................... 83

Figure 36: Explicit Clock-Edge.................................................................................................................................................... 84

Figure 37: Advanced explicit Clock-Edge................................................................................................................................... 85

Figure 38: Explicit Clock-PLL...................................................................................................................................................... 86

Figure 39: Nominal Clock Offset Relative to Data.......................................................................................................................87

Figure 40: Bit config for eye height............................................................................................................................................. 89

Figure 41: Bit config for eye high, low, and Q-Factor..................................................................................................................89

Figure 42: Bit config for Height@BER.........................................................................................................................................90

Figure 43: Bit config for Height@BER.........................................................................................................................................91

Figure 44: Bit config for TN@BER.............................................................................................................................................. 91

Figure 45: Bit config for mask hits...............................................................................................................................................92

Figure 46: Bit config for autofit mask hits measurement............................................................................................................. 93

Figure 47: Bit config for mask hits ratio measurement................................................................................................................95

Figure 48: Bit config for mask margin measurement.................................................................................................................. 95

Figure 49: Bit config for amplitude measurements......................................................................................................................96

Figure 50: Bit config for PCI express measurements..................................................................................................................97

Figure 51: BER configure panel.................................................................................................................................................. 97

Figure 52: RJ-DJ......................................................................................................................................................................... 98

Figure 53: RJ-DJ analysis of repeating pattern...........................................................................................................................99

Figure 54: RJ-DJ analysis of arbitrary pattern...........................................................................................................................100

Figure 55: RN-DN..................................................................................................................................................................... 101

Figure 56: RN-DN analysis for repeating pattern...................................................................................................................... 102

Figure 57: RN-DN analysis for arbitrary pattern........................................................................................................................103

Figure 58: Configuring bus states............................................................................................................................................. 103

Figure 59: Configuring bus states (tCKSRE)............................................................................................................................ 104

Figure 60: Configuring bus states (tBurst-CMD measurement)................................................................................................ 104

Figure 61: Configuring bus states (Required symbol bit pattern)..............................................................................................104

Figure 62: Configuring edges - Jitter only................................................................................................................................. 106

Figure 63: Configuring edges - Jitter + Noise............................................................................................................................107

Figure 64: Configuring edges - Jitter + Noise............................................................................................................................107

Figure 65: Configuring edges for skew measurements.............................................................................................................108

Figure 66: Configuring edges for differential CrossOver voltage measurements......................................................................109

Figure 67: Configuring edges for phase noise measurements................................................................................................. 109

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 21

List of Figures

Figure 68: Configuring edges for N-Period measurements.......................................................................................................110

Figure 69: Configuring edges for setup/hold..............................................................................................................................111

Figure 70: Configuring edges for CC-Period/Duty cycle measurements................................................................................... 111

Figure 71: Configuring edges for DCD measurement............................................................................................................... 112

Figure 72: Configuring edges for Overshoot/Undershoot measurements.................................................................................112

Figure 73: Configuring edges for rise slew rate.........................................................................................................................113

Figure 74: Configuration options for fall slew rate .................................................................................................................... 113

Figure 75: Configuring edges for time outside level.................................................................................................................. 114

Figure 76: Configuring edges for F/N measurements - Jitter Only............................................................................................115

Figure 77: Configuring edges for F/N measurements - Jitter + Noise....................................................................................... 116

Figure 78: Configuring edges for DDR tCH(avg) and DDR tCL(avg)........................................................................................ 116

Figure 79: Configuring edges for DDR tERR(m-n)....................................................................................................................117

Figure 80: Configuring edges for DDR tERR(n)........................................................................................................................ 117

Figure 81: Configuring edges for DDR tHZDQ and DDR tLZDQ...............................................................................................118

Figure 82: Configuring edges for DDRtJIT(per) DDRtCK(avg) and DDRtJIT(duty)...................................................................118

Figure 83: Configuring edges for DDR VIH.DQ(AC), VIH.DQ(DC), VIL.DQ(AC), and VIL.DQ(DC)..........................................119

Figure 84: Spread spectrum clock.............................................................................................................................................119

Figure 85: Margin config for mask margin.................................................................................................................................120

Figure 86: DFE configuration for DFE EH.................................................................................................................................121

Figure 87: DFE configuration for DFE EW................................................................................................................................ 121

Figure 88: DFE configuration for DFE Eye Diagram................................................................................................................. 122

Figure 89: One touch jitter.........................................................................................................................................................123

Figure 90: Plot after One Touch Jitter is performed.................................................................................................................. 124

Figure 91: Select measurement................................................................................................................................................ 125

Figure 92: Configure measurement-Skew................................................................................................................................ 126

Figure 93: Configure measurement-Jitter summary..................................................................................................................127

Figure 94: Select sources (Measurement source).................................................................................................................... 128

Figure 95: Select sources (Two source measurements)...........................................................................................................128

Figure 96: Configure autoset.....................................................................................................................................................129

Figure 97: Period and Frequency measurement.......................................................................................................................130

Figure 98: Results..................................................................................................................................................................... 130

Figure 99: Measurement table.................................................................................................................................................. 131

Figure 100: Source configuration ............................................................................................................................................. 131

Figure 101: Results................................................................................................................................................................... 132

Figure 102: Plots....................................................................................................................................................................... 132

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 22

List of Figures

Figure 103: Data snapshot........................................................................................................................................................132

Figure 104: Data logging...........................................................................................................................................................133

Figure 105: Measurement summary......................................................................................................................................... 133

Figure 106: Export results to Ref.............................................................................................................................................. 134

Figure 107: Source measurements (Period1)........................................................................................................................... 135

Figure 108: Source measurements (Setup1)............................................................................................................................ 135

Figure 109: Autoset configuration options.................................................................................................................................136

Figure 110: Bus setup............................................................................................................................................................... 137

Figure 111: configuration of bus................................................................................................................................................ 137

Figure 112: Source Configuration..............................................................................................................................................138

Figure 113: Source Configuration..............................................................................................................................................138

Figure 114: Digital channels......................................................................................................................................................139

Figure 115: Digital channels......................................................................................................................................................140

Figure 116: Source Configurations............................................................................................................................................140

Figure 117: Ref levels................................................................................................................................................................141

Figure 118: Reference levels in percentages............................................................................................................................144

Figure 119: Reference levels manually.....................................................................................................................................144

Figure 120: Reference levels in percentages (Advanced not checked)....................................................................................144

Figure 121: Reference levels manually (Advanced not checked)............................................................................................. 145

Figure 122: Min - Max............................................................................................................................................................... 147

Figure 123: Preferences Setup-General................................................................................................................................... 148

Figure 124: Preferences Setup-Measurement.......................................................................................................................... 149

Figure 125: Analysis Method - Jitter Only................................................................................................................................. 150

Figure 126: Analysis Method - Jitter + Noise............................................................................................................................ 151

Figure 127: Preferences-Path defaults..................................................................................................................................... 152

Figure 128: Export data snapshot-Statistics............................................................................................................................. 153

Figure 129: Export data snapshot-Measurement......................................................................................................................155

Figure 130: View Log File Names............................................................................................................................................. 156

Figure 131: Export measurement..............................................................................................................................................157

Figure 132: Data logging-Statistics........................................................................................................................................... 157

Figure 133: Data Logging-Measurement.................................................................................................................................. 159

Figure 134: View log file names................................................................................................................................................ 160

Figure 135: View log file names (Global > Qualify)...................................................................................................................161

Figure 136: View log file names (Math).....................................................................................................................................161

Figure 137: Data logging-Worst case........................................................................................................................................162

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 23

List of Figures

Figure 138: View log file names................................................................................................................................................ 163

Figure 139: View log file names (Global > Qualify)...................................................................................................................164

Figure 140: View log file names (Math).....................................................................................................................................164

Figure 141: Logging worst case for mask hits measurement....................................................................................................165

Figure 142: Logging worst case for mask hits measurement (maximum and minimum values)...............................................165

Figure 143: Sequencing (Progress indicator)............................................................................................................................166

Figure 144: Pass/Fail Limit Setup............................................................................................................................................. 168

Figure 145: Limits for mask hits................................................................................................................................................ 169

Figure 146: Limits for mask hits (Result)...................................................................................................................................169

Figure 147: Measurement configuration summary-Measurement............................................................................................ 169

Figure 148: Measurement summary-Ref levels........................................................................................................................ 170

Figure 149: Measurement Summary-Misc................................................................................................................................ 171

Figure 150: Viewing statistical results....................................................................................................................................... 172

Figure 151: Viewing statistical results (Vector measurement)...................................................................................................173

Figure 152: Results with Error Notification................................................................................................................................174

Figure 153: Results with Warning Notification...........................................................................................................................174

Figure 154: Overall Test Result................................................................................................................................................. 174

Figure 155: Overall Test Result (Fail)........................................................................................................................................175

Figure 156: Summary................................................................................................................................................................175

Figure 157: Detailed results...................................................................................................................................................... 175

Figure 158: Export results to ref waveform............................................................................................................................... 176

Figure 159: Bit rate and pattern length detection...................................................................................................................... 177

Figure 160: Plots....................................................................................................................................................................... 177

Figure 161: Bathtub Curve plot................................................................................................................................................. 180

Figure 162: Selecting plots........................................................................................................................................................181

Figure 163: Configuring plots.................................................................................................................................................... 182

Figure 164: Configuring a bathtub plot......................................................................................................................................183

Figure 165: Configuring a spectrum plot................................................................................................................................... 184

Figure 166: Configuring a time trend.........................................................................................................................................185

Figure 167: Configuring a histogram plot.................................................................................................................................. 185

Figure 168: Configuring a transfer plot......................................................................................................................................186

Figure 169: Configuring a phase noise plot.............................................................................................................................. 187

Figure 170: Configuring an eye diagram plot for eye height..................................................................................................... 188

Figure 171: Configuring an eye diagram for mask hits............................................................................................................. 190

Figure 172: Configuring an eye diagram for DFE measurements.............................................................................................192

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 24

List of Figures

Figure 173: Configuring a composite jitter histogram plot.........................................................................................................194

Figure 174: Configuring a composite noise histogram plot....................................................................................................... 195

Figure 175: Configuring a noise bathtub plot............................................................................................................................ 196

Figure 176: Configure a BER Eye contour plot......................................................................................................................... 197

Figure 177: Configure a BER Eye plot...................................................................................................................................... 198

Figure 178: Configure a Correlated Eye plot.............................................................................................................................198

Figure 179: Configure a PDF Eye plot...................................................................................................................................... 199

Figure 180: Plot toolbar functions............................................................................................................................................. 200

Figure 181: Reports.................................................................................................................................................................. 203

Figure 182: Append Reports..................................................................................................................................................... 205

Figure 183: Reports compatibility..............................................................................................................................................205

Figure 184: Print Background Color and Images...................................................................................................................... 206

Figure 185: Add Comments...................................................................................................................................................... 207

Figure 186: Recalling a waveform file....................................................................................................................................... 209

Figure 187: Setting up a Period Measurement......................................................................................................................... 209

Figure 188: Period Measurement plot.......................................................................................................................................210

Figure 189: custom_gating_selection....................................................................................................................................... 210

Figure 190: Custom_gating_window......................................................................................................................................... 211

Figure 191: Gatedskew_Navig_Panel.......................................................................................................................................211

Figure 192: DPOJET plots........................................................................................................................................................ 212

Figure 193: TIE measurement.................................................................................................................................................. 212

Figure 194: Plots for TIE measurement.................................................................................................................................... 212

Figure 195: Height and Width measurement............................................................................................................................ 213

Figure 196: Plot summary window............................................................................................................................................ 214

Figure 197: Time Trend plot......................................................................................................................................................214

Figure 198: Math1 for TIE1 and TIE2........................................................................................................................................215

Figure 199: Time Trend plots for TIE1, TIE2 and Spectrum plots for TIE1, TIE2......................................................................215

Figure 200: Jitter map - Spectral Only...................................................................................................................................... 243

Figure 201: Jitter map - Spectral + BUJ....................................................................................................................................244

Figure 202: Noise map - Spectral Only..................................................................................................................................... 245

Figure 203: Noise map - Spectral + BUJ...................................................................................................................................245

Figure 204: Rising Slew Rate measurement algorithm.............................................................................................................281

Figure 205: Fall slew rate..........................................................................................................................................................282

Figure 206: tCMD-CMD............................................................................................................................................................ 284

Figure 207: Time Outside Level measurement algorithm......................................................................................................... 284

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 25

List of Figures

Figure 208: Eye high................................................................................................................................................................. 286

Figure 209: Eye low.................................................................................................................................................................. 286

Figure 210: T/nT ratio................................................................................................................................................................290

Figure 211: High-Low................................................................................................................................................................291

Figure 212: Overshoot.............................................................................................................................................................. 292

Figure 213: Undershoot............................................................................................................................................................ 292

Figure 214: PCIe T-Tx-Fall........................................................................................................................................................294

Figure 215: PCIe T-Tx-Rise...................................................................................................................................................... 295

Figure 216: PCIe MAX-MIN ratio.............................................................................................................................................. 297

Figure 217: USB VTx-Diff-PP....................................................................................................................................................298

Figure 218: Eye Crossing Level................................................................................................................................................ 302

Figure 219: Noise model component interrelationships............................................................................................................ 307

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 26

List of Tables

List of Tables

Table 1: List of reference documents.......................................................................................................................................... 34

Table 2: Icon descriptions............................................................................................................................................................34

Table 3: Application menu controls descriptions......................................................................................................................... 41

Table 4: Application directories................................................................................................................................................... 43

Table 5: File name extensions.....................................................................................................................................................43

Table 6: Application shortcuts..................................................................................................................................................... 44

Table 7: Control panel selections................................................................................................................................................ 47

Table 8: Navigation panel functions............................................................................................................................................ 48

Table 9: Period/Frequency measurements definitions................................................................................................................ 53

Table 10: Jitter measurements definitions................................................................................................................................... 53

Table 11: Noise measurements definitions..................................................................................................................................56

Table 12: Time measurements definitions...................................................................................................................................57

Table 13: Eye measurements definitions.................................................................................................................................... 58

Table 14: Amplitude measurements definitions...........................................................................................................................60

Table 15: Standard-specific measurements definitions............................................................................................................... 61

Table 16: General options........................................................................................................................................................... 66

Table 17: Global-Gating options.................................................................................................................................................. 67

Table 18: Global-Qualify options................................................................................................................................................. 68

Table 19: Qualify-Configure options............................................................................................................................................ 68

Table 20: Global-Population options........................................................................................................................................... 70

Table 21: Population-Configure options...................................................................................................................................... 70

Table 22: Filter options................................................................................................................................................................ 72

Table 23: Filter options................................................................................................................................................................ 73

Table 24: Advanced filter configuration options...........................................................................................................................75

Table 25: Configuring Filters for SJ@FREQ............................................................................................................................... 76

Table 26: Constant clock - mean options.................................................................................................................................... 78

Table 27: Constant clock - median options................................................................................................................................. 79

Table 28: Advanced clock recovery options................................................................................................................................ 80

Table 29: PLL-standard clock recovery options.......................................................................................................................... 82

Table 30: PLL-Custom clock recovery options............................................................................................................................ 83

Table 31: Explicit-Clock edge options......................................................................................................................................... 84

Table 32: Advanced explicit-Clock edge options......................................................................................................................... 85

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 27

List of Tables

Table 33: Explicit Clock-PLL options........................................................................................................................................... 86

Table 34: Advanced Explicit-Clock PLL options.......................................................................................................................... 87

Table 35: Bit config for eye height............................................................................................................................................... 89

Table 36: Bit config for eye high, low, and Q-Factor....................................................................................................................89

Table 37: Bit config for Height@BER.......................................................................................................................................... 90

Table 38: Bit config for Height@BER.......................................................................................................................................... 91

Table 39: Bit config for TN@BER................................................................................................................................................ 91

Table 40: Bit config for mask hits................................................................................................................................................ 92

Table 41: Bit config for autofit mask hits measurement...............................................................................................................93

Table 42: Bit config for mask hits ratio measurement................................................................................................................. 95

Table 43: Bit config for mask margin measurement.................................................................................................................... 95

Table 44: Bit config for amplitude measurements....................................................................................................................... 96

Table 45: Bit config for PCI express measurements................................................................................................................... 97

Table 46: BER configure............................................................................................................................................................. 97

Table 47: RJ-DJ analysis of repeating options............................................................................................................................ 98

Table 48: RN-DN analysis of repeating options........................................................................................................................ 101

Table 49: Bus state options....................................................................................................................................................... 104

Table 50: Configuration for custom gating.................................................................................................................................105

Table 51: Configuring edges - Jitter only................................................................................................................................... 106

Table 52: Configuring edges - Jitter + Noise............................................................................................................................. 107

Table 53: Configuring edges - Jitter + Noise............................................................................................................................. 107

Table 54: Configuring edges for skew measurements.............................................................................................................. 108

Table 55: Configuring edges for differential CrossOver voltage measurements....................................................................... 109

Table 56: Configuring edges for phase noise measurements................................................................................................... 109

Table 57: Configuring edges for N-Period measurements.........................................................................................................110

Table 58: Configuring edges for setup/hold............................................................................................................................... 111

Table 59: Configuring edges for CC-Period/Duty cycle measurements.....................................................................................111

Table 60: Configuring edges for DCD measurement.................................................................................................................112

Table 61: Configuration options for rise slew rate .....................................................................................................................113

Table 62: Configuration options for fall slew rate ......................................................................................................................113

Table 63: Configuring edges for time outside level....................................................................................................................114

Table 64: Configuring edges for F/N measurements - Jitter Only..............................................................................................115

Table 65: Configuring edges for F/N measurements - Jitter + Noise.........................................................................................116

Table 66: Configuring edges for DDR tERR(m-n)......................................................................................................................117

Table 67: Configuring edges for DDR tERR(n)..........................................................................................................................118

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 28

List of Tables

Table 68: Configuring edges for DDRtJIT(per) DDRtCK(avg) and DDRtJIT(duty).................................................................... 118

Table 69: Configuring edges for DDR VIH.DQ(AC), VIH.DQ(DC), VIL.DQ(AC), and VIL.DQ(DC)........................................... 119

Table 70: Spread spectrum clock.............................................................................................................................................. 120

Table 71: Margin config for mask margin.................................................................................................................................. 120

Table 72: DFE configuration for DFE EH.................................................................................................................................. 121

Table 73: DFE configuration for DFE EW..................................................................................................................................121

Table 74: DFE configuration for DFE Eye Diagram...................................................................................................................122

Table 75: Measurements and available plots............................................................................................................................ 129

Table 76: Autoset configuration options.................................................................................................................................... 136

Table 77: Digital channels......................................................................................................................................................... 139

Table 78: Digital channels......................................................................................................................................................... 140

Table 79: Configure sources ref levels autoset configuration....................................................................................................143

Table 80: Configure sources ref levels configuration................................................................................................................ 145

Table 81: Autoset ref level configuration................................................................................................................................... 146

Table 82: Preferences-General options.....................................................................................................................................148

Table 83: Preferences-Measurement options........................................................................................................................... 149

Table 84: Preferences-Jitter Decomp options........................................................................................................................... 151

Table 85: Preferences-Path defaults options............................................................................................................................ 153

Table 86: Data snapshot- Statistics options.............................................................................................................................. 154

Table 87: Data snapshot- Measurement options.......................................................................................................................155

Table 88: Log-Statistics options................................................................................................................................................ 158

Table 89: Log-Measurements options....................................................................................................................................... 159

Table 90: Log-Worst case options............................................................................................................................................. 162

Table 91: Limits options.............................................................................................................................................................168

Table 92: Measurement configuration information.................................................................................................................... 169

Table 93: Ref level configuration information............................................................................................................................ 170

Table 94: Miscellaneous configuration information................................................................................................................... 171

Table 95: Results menu options................................................................................................................................................ 172

Table 96: Plot type definitions................................................................................................................................................... 178

Table 97: Plot selections........................................................................................................................................................... 182

Table 98: Configuring a bathtub plot......................................................................................................................................... 183

Table 99: Configuring a spectrum plot.......................................................................................................................................184

Table 100: Configuring a time trend.......................................................................................................................................... 185

Table 101: Configuring a histogram plot....................................................................................................................................185

Table 102: Configuring a transfer plot....................................................................................................................................... 186

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 29

List of Tables

Table 103: Configuring a phase noise plot................................................................................................................................ 188

Table 104: Configuring an eye diagram plot for eye height....................................................................................................... 188

Table 105: Configuring an eye diagram for mask hits............................................................................................................... 191

Table 106: Configuring an eye diagram for DFE measurements.............................................................................................. 192

Table 107: Composite jitter histogram plot................................................................................................................................ 194

Table 108: Composite noise histogram plot.............................................................................................................................. 195

Table 109: Configuring a noise bathtub plot.............................................................................................................................. 196

Table 110: Configure a BER Eye contour plot...........................................................................................................................197

Table 111: Configure a BER Eye plot........................................................................................................................................ 198

Table 112: Configure a Correlated Eye plot...............................................................................................................................198

Table 113: Configure a PDF Eye plot........................................................................................................................................ 199

Table 114: Plot toolbar functions............................................................................................................................................... 200

Table 115: Zoom functions in a plot...........................................................................................................................................201

Table 116: Cursor functions in a plot......................................................................................................................................... 202

Table 117: Report generation options........................................................................................................................................203

Table 118: Comment options.....................................................................................................................................................207

Table 119: Source parameters.................................................................................................................................................. 216

Table 120: Ref level menu parameters..................................................................................................................................... 217

Table 121: Autoset Ref Levels Parameters............................................................................................................................... 217

Table 122: Preferences parameters.......................................................................................................................................... 218

Table 123: Deskew parameters.................................................................................................................................................219

Table 124: Data logging parameters......................................................................................................................................... 220

Table 125: Bit config parameters...............................................................................................................................................221

Table 126: Mask Hits, Autofit Mask Hits parameters.................................................................................................................222

Table 127: BER parameters...................................................................................................................................................... 222

Table 128: Edges parameters................................................................................................................................................... 222

Table 129: N-Period parameters............................................................................................................................................... 223

Table 130: Positive and Negative duty cycle, CC Period parameters....................................................................................... 223

Table 131: Phase noise parameters..........................................................................................................................................223

Table 132: DCD parameters......................................................................................................................................................223

Table 133: F/N parameters........................................................................................................................................................224

Table 134: Skew parameters.....................................................................................................................................................224

Table 135: Setup and Hold parameters.....................................................................................................................................224

Table 136: Rise slew rate parameters....................................................................................................................................... 224

Table 137: Fall slew rate parameters........................................................................................................................................ 225

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 30

List of Tables

Table 138: Time outside level parameters.................................................................................................................................225

Table 139: Overshoot/Undershoot parameters......................................................................................................................... 225

Table 140: V-Diff-Xovr parameters............................................................................................................................................ 225

Table 141: CrossOver parameters............................................................................................................................................ 225

Table 142: PLL Clock recovery method parameters................................................................................................................. 226

Table 143: Constant clock recovery method parameters.......................................................................................................... 227

Table 144: Explicit clock recovery method parameters............................................................................................................. 227

Table 145: Advanced clock recovery configuration parameters................................................................................................ 227

Table 146: SSC parameters...................................................................................................................................................... 228

Table 147: RJ-DJ analysis parameters..................................................................................................................................... 228

Table 148: RN-DN analysis parameters.................................................................................................................................... 229

Table 149: Filters parameters....................................................................................................................................................230

Table 150: Filter configuration for SJ@Freq..............................................................................................................................230

Table 151: Advanced filter configure parameters...................................................................................................................... 230

Table 152: Bus state options..................................................................................................................................................... 230

Table 153: General parameters.................................................................................................................................................231

Table 154: Global parameters................................................................................................................................................... 232

Table 155: Margin parameters.................................................................................................................................................. 232

Table 156: DFE parameters...................................................................................................................................................... 233

Table 157: Histogram plot parameters...................................................................................................................................... 233

Table 158: Eye diagram plot parameters.................................................................................................................................. 234

Table 159: Spectrum plot parameters....................................................................................................................................... 234

Table 160: Time trend plot parameters......................................................................................................................................234

Table 161: Phase noise plot parameters................................................................................................................................... 235

Table 162: Bathtub plot parameters.......................................................................................................................................... 235

Table 163: Transfer function plot parameters............................................................................................................................235

Table 164: Composite jitter histogram plot parameters............................................................................................................. 236

Table 165: Noise bathtub plot parameters................................................................................................................................ 236

Table 166: Noise bathtub plot parameters................................................................................................................................ 236

Table 167: Composite noise histogram plot parameters........................................................................................................... 236

Table 168: BER Eye plot parameters........................................................................................................................................ 237

Table 169: Correlated Eye plot parameters...............................................................................................................................237

Table 170: PDF Eye plot parameters........................................................................................................................................ 237

Table 171: Reports parameters................................................................................................................................................. 238

Table 172: Progress bar status messages................................................................................................................................ 239

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 31

List of Tables

Table 173: Error codes.............................................................................................................................................................. 246

Table 174: Measurement range limit values..............................................................................................................................252

Table 175: Measurement units.................................................................................................................................................. 259

Table 176: Period/Freq measurements..................................................................................................................................... 260

Table 177: Jitter measurements................................................................................................................................................ 261

Table 178: Noise measurements...............................................................................................................................................263

Table 179: Timing measurements............................................................................................................................................. 263

Table 180: Eye measurements..................................................................................................................................................264

Table 181: Amplitude measurements........................................................................................................................................ 265

Table 182: Standard-specific measurements............................................................................................................................ 265

Table 183: Argument types....................................................................................................................................................... 309

DPOJET Jitter, Noise and Eye Diagram Analysis Solution Printable Application Help 32