DPOJET
Jitter
, Noise and Eye Diagram Analysis Solution
Application Help
*P077004831*
077-0048-31
DPOJET
Jitter
, Noise and Eye Diagram Analysis Solution
Application Help
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*P077004831*
077-0048-31
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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 Application Help 5
Table of Contents
Table of measurements-Standard.................................................................................................................................60
T
est 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 Application Help 6
Table of Contents
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 Application Help 7
Table of Contents
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........................................................................................................................................ 269
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.......................................................................................................................................................... 272
TIE.............................................................................................................................................................................. 272
RJ............................................................................................................................................................................... 272
RJ(h)........................................................................................................................................................................... 272
RJ(v)........................................................................................................................................................................... 272
Dual dirac random jitter...............................................................................................................................................273
Jitter summary............................................................................................................................................................ 273
TJ@BER.....................................................................................................................................................................273
DJ............................................................................................................................................................................... 273
Dual Dirac deterministic jitter...................................................................................................................................... 273
Phase noise................................................................................................................................................................ 273
PJ................................................................................................................................................................................273
PJ(h)........................................................................................................................................................................... 274
PJ(v)........................................................................................................................................................................... 274
NPJ............................................................................................................................................................................. 274
DDJ.............................................................................................................................................................................274
DCD............................................................................................................................................................................ 274
J2................................................................................................................................................................................ 274
J9................................................................................................................................................................................ 274
SRJ............................................................................................................................................................................. 275
F/N.............................................................................................................................................................................. 275
PJrms..........................................................................................................................................................................276
SJ@Freq.....................................................................................................................................................................276
Clock Pk-Pk................................................................................................................................................................ 276
Noise measurements......................................................................................................................................................... 276
TN@BER.................................................................................................................................................................... 276
RN...............................................................................................................................................................................276
RN(v).......................................................................................................................................................................... 277
RN(h).......................................................................................................................................................................... 277
DN...............................................................................................................................................................................277
PN...............................................................................................................................................................................277
PN(v)...........................................................................................................................................................................277
PN(h).......................................................................................................................................................................... 278
DDN(0)........................................................................................................................................................................278
DDN(1)........................................................................................................................................................................278
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 8
Table of Contents
DDN............................................................................................................................................................................ 278
NPN
............................................................................................................................................................................ 278
Unit Amplitude............................................................................................................................................................ 279
Noise summary...........................................................................................................................................................279
Timing measurements........................................................................................................................................................279
Rise time.....................................................................................................................................................................279
Fall time...................................................................................................................................................................... 279
Gated Skew................................................................................................................................................................ 280
Skew........................................................................................................................................................................... 280
High time.....................................................................................................................................................................280
Low time..................................................................................................................................................................... 280
Setup.......................................................................................................................................................................... 281
Rising Slew Rate measurement algorithm..................................................................................................................281
Fall slew rate...............................................................................................................................................................282
Hold............................................................................................................................................................................ 282
SSC profile..................................................................................................................................................................283
SSC MOD rate............................................................................................................................................................283
SSC FREQ DEV MIN..................................................................................................................................................283
SSC FREQ DEV MAX................................................................................................................................................ 283
SSC FREQ DEV......................................................................................................................................................... 283
tCMD-CMD................................................................................................................................................................. 284
Time Outside Level measurement algorithm.............................................................................................................. 284
Eye diagram measurements.............................................................................................................................................. 284
Eye width.................................................................................................................................................................... 284
Width@BER................................................................................................................................................................285
Eye height...................................................................................................................................................................285
Height@BER.............................................................................................................................................................. 286
Eye high......................................................................................................................................................................286
Eye low....................................................................................................................................................................... 286
Q-factor.......................................................................................................................................................................287
Mask hits.....................................................................................................................................................................287
Autofit mask hits......................................................................................................................................................... 287
V-Widest Open Eye.................................................................................................................................................... 288
DFE eye height........................................................................................................................................................... 288
DFE eye width............................................................................................................................................................ 288
DFE eye diagram........................................................................................................................................................288
Amplitude measurements.................................................................................................................................................. 288
AC RMS......................................................................................................................................................................288
High............................................................................................................................................................................ 289
Low............................................................................................................................................................................. 289
DC common mode......................................................................................................................................................290
AC common mode...................................................................................................................................................... 290
T/nT ratio.................................................................................................................................................................... 290
High-Low.....................................................................................................................................................................291
V-Diff-Xovr...................................................................................................................................................................292
Overshoot................................................................................................................................................................... 293
Undershoot................................................................................................................................................................. 293
Cycle max................................................................................................................................................................... 293
Cycle min.................................................................................................................................................................... 294
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 9
Table of Contents
Cycle Pk-Pk................................................................................................................................................................ 294
Standard-Specific measurements
......................................................................................................................................294
PCIe T-Tx-Diff-PP.......................................................................................................................................................294
PCIe T-TX...................................................................................................................................................................295
PCIe T-Tx-Fall.............................................................................................................................................................295
PCIe Tmin-Pulse.........................................................................................................................................................296
PCIe DeEmph.............................................................................................................................................................296
PCIe T-Tx-Rise........................................................................................................................................................... 297
PCIe UI....................................................................................................................................................................... 297
PCIe Med-Mx-Jitter.....................................................................................................................................................297
PCIe T-RF-Mismch..................................................................................................................................................... 298
PCIe MAX-MIN ratio................................................................................................................................................... 298
PCIe SSC PROFILE................................................................................................................................................... 299
PCIe SSC FREQ DEV................................................................................................................................................ 299
PCIe AC common mode............................................................................................................................................. 299
USB VTx-Diff-PP.........................................................................................................................................................299
USB TCdr-Slew-Max...................................................................................................................................................300
USB Tmin-Pulse-Tj..................................................................................................................................................... 300
USB Tmin-Pulse-Dj.....................................................................................................................................................301
USB SSC MOD RATE................................................................................................................................................ 301
USB SSC FREQ-DEV-MAX........................................................................................................................................301
USB SSC FREQ-DEV-MIN.........................................................................................................................................301
USB SSC PROFILE....................................................................................................................................................302
USB UI........................................................................................................................................................................302
USB AC common mode..............................................................................................................................................302
Average optical power................................................................................................................................................ 302
Extinction ratio............................................................................................................................................................ 302
Optical modulation amplitude......................................................................................................................................302
Optical high.................................................................................................................................................................303
Optical low.................................................................................................................................................................. 303
Eye Crossing Level.....................................................................................................................................................303
Eye Crossing Time......................................................................................................................................................304
Eye Crossing Percent................................................................................................................................................. 304
Mask Hit Ratio.............................................................................................................................................................304
Mask Margin............................................................................................................................................................... 305
Jitter separation................................................................................................................................................................. 305
Jitter analysis through RJ-DJ separation.................................................................................................................... 305
RJ-DJ separation via spectrum analysis.....................................................................................................................305
RJ-DJ separation for arbitrary patterns.......................................................................................................................305
Separation of Non-Periodic jitter (NPJ).......................................................................................................................306
Estimation of TJ@BER and eye Width@BER............................................................................................................ 306
Jitter estimation using Dual-Dirac models...................................................................................................................306
Joint Jitter/Noise analysis.................................................................................................................................................. 307
Differences between Jitter-Only and Jitter+Noise analysis.........................................................................................307
Use of Jitter+Noise analysis when DJAN is not enabled............................................................................................ 307
Basic steps in joint Jitter+Noise analysis.................................................................................................................... 308
Noise model component interrelationships.................................................................................................................308
Results............................................................................................................................................................................... 309
GPIB commands....................................................................................................................................................................... 311
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 10
Table of Contents
About the GPIB program....................................................................................................................................................311
GPIB reference materials
...................................................................................................................................................311
Argument types.................................................................................................................................................................. 311
DPOJET:ACTIVATE........................................................................................................................................................... 311
DPOJET:ADDMeas............................................................................................................................................................312
DPOJET:APPLYAll............................................................................................................................................................. 312
DPOJET:BITRatestate....................................................................................................................................................... 312
DPOJET:CLEARALLMeas................................................................................................................................................. 313
DPOJET:DATAratelimits.....................................................................................................................................................313
DPOJET:DESKEW.............................................................................................................................................................313
DPOJET:DESKEW:DESKEWchannel................................................................................................................................313
DPOJET:DESKEW:DESKEWHysteresis........................................................................................................................... 314
DPOJET:DESKEW:DESKEWMidlevel...............................................................................................................................314
DPOJET:DESKEW:EDGE..................................................................................................................................................314
DPOJET:DESKEW:MAXimum........................................................................................................................................... 315
DPOJET:DESKEW:MINimum............................................................................................................................................ 315
DPOJET:DESKEW:REFChannel....................................................................................................................................... 315
DPOJET:DESKEW:REFHysteresis....................................................................................................................................315
DPOJET:DESKEW:REFMidlevel....................................................................................................................................... 316
DPOJET:DIRacmodel........................................................................................................................................................ 316
DPOJET:EXPORT..............................................................................................................................................................316
DPOJET:EXPORTRaw...................................................................................................................................................... 317
DPOJET:GATING...............................................................................................................................................................317
DPOJET:HALTFreerunonlimfail..........................................................................................................................................317
DPOJET:HIGHPerfrendering............................................................................................................................................. 317
DPOJET:INTERp............................................................................................................................................................... 318
DPOJET:JITtermode?........................................................................................................................................................ 318
DPOJET:JITtermodel......................................................................................................................................................... 318
DPOJET:ANALYSISMETHOD........................................................................................................................................... 318
DPOJET:LASTError?......................................................................................................................................................... 319
DPOJET:LIMITRise............................................................................................................................................................319
DPOJET:MINBUJUI........................................................................................................................................................... 319
DPOJET:LIMits:FILEName................................................................................................................................................ 319
DPOJET:LIMits:STATE.......................................................................................................................................................320
DPOJET:LOGging:MEASurements:FOLDer......................................................................................................................320
DPOJET:LOGging:MEASurements:STATE........................................................................................................................320
DPOJET:LOGging:SNAPshot............................................................................................................................................ 321
DPOJET:LOGging:STATistics:FILEName.......................................................................................................................... 321
DPOJET:LOGging:STATistics:STATE................................................................................................................................ 321
DPOJET:LOGging:WORSTcase:FOLDer...........................................................................................................................321
DPOJET:LOGging:WORSTcase:STATE............................................................................................................................322
DPOJET:MEAS<x>............................................................................................................................................................ 322
DPOJET:MEAS<x>:BER:TARGETBER............................................................................................................................. 322
DPOJET:MEAS<x>:BITCfgmethod....................................................................................................................................323
DPOJET:MEAS<x>:BITPcnt.............................................................................................................................................. 323
DPOJET:MEAS<x>:BITConfig:STARTPercent.................................................................................................................. 323
DPOJET:MEAS<x>:BITConfig:ENDPercent...................................................................................................................... 323
DPOJET:MEAS<x>:BITConfig:NUMBins...........................................................................................................................324
DPOJET:MEAS<x>:BITConfig:ABSRELstate.................................................................................................................... 324
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 11
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DPOJET:MEAS<x>:BITType..............................................................................................................................................324
DPOJET
:MEAS<x>:BUSState:CLOCKPolarity..................................................................................................................325
DPOJET:MEAS<x>:BUSState:FROMPattern.................................................................................................................... 325
DPOJET:MEAS<x>:BUSState:FROMSymbol....................................................................................................................325
DPOJET:MEAS<x>:BUSState:MEASUREType.................................................................................................................326
DPOJET:MEAS<x>:BUSState:MEASUREFrom................................................................................................................ 326
DPOJET:MEAS<x>:BUSState:MEASURETO....................................................................................................................326
DPOJET:MEAS<x>:BUSState:TOPattern..........................................................................................................................326
DPOJET:MEAS<x>:BUSState:TOSymbol......................................................................................................................... 327
DPOJET:MEAS<x>:CLOCKRecovery:BHVRSTANdard.................................................................................................... 327
DPOJET:MEAS<x>:CLOCKRecovery:CLOCKBitrate........................................................................................................327
DPOJET:MEAS<x>:CLOCKRecovery:CLOCKFrequency................................................................................................. 328
DPOJET:MEAS<x>:CLOCKRecovery:CLOCKMultiplier....................................................................................................328
DPOJET:MEAS<x>:CLOCKRecovery:CLOCKPath...........................................................................................................328
DPOJET:MEAS<x>:CLOCKRecovery:DAMPing............................................................................................................... 328
DPOJET:MEAS<x>:CLOCKRecovery:DATARate..............................................................................................................329
DPOJET:MEAS<x>:CLOCKRecovery:BWType.................................................................................................................329
DPOJET:MEAS<x>:CLOCKRecovery:LOOPBandwidth....................................................................................................329
DPOJET:MEAS<x>:CLOCKRecovery:MEANAUTOCalculate........................................................................................... 330
DPOJET:MEAS<x>:CLOCKRecovery:METHod................................................................................................................ 330
DPOJET:MEAS<x>:CLOCKRecovery:MODel................................................................................................................... 330
DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset.................................................................................................. 330
DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:AUTO?..................................................................................... 331
DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:MANual.................................................................................... 331
DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:Recalctype............................................................................... 331
DPOJET:MEAS<x>:CLOCKRecovery:NOMINALOFFset:SELECTIONtype......................................................................332
DPOJET:MEAS<x>:CLOCKRecovery:PATTern.................................................................................................................332
DPOJET:MEAS<x>:CLOCKRecovery:STAndard...............................................................................................................332
DPOJET:MEAS<x>:COMMONMode:FILTers:STATE.........................................................................................................332
DPOJET:MEAS<x>:CUSTomname....................................................................................................................................333
DPOJET:MEAS<x>:CUSTOMGATING:SOURCE1GATE..................................................................................................333
DPOJET:MEAS<x>:CUSTOMGATING:SOURCE2GATE..................................................................................................333
DPOJET:MEAS<x>:CUSTOMGATING:FROMedge.......................................................................................................... 334
DPOJET:MEAS<x>:CUSTOMGATING:TOedge................................................................................................................ 334
DPOJET:MEAS<x>:CUSTOMGATING:MEASUREMENTEdge.........................................................................................334
DPOJET:MEAS<x>:DATA?................................................................................................................................................335
DPOJET:MEAS<x>:DFE:RESOlution................................................................................................................................ 335
DPOJET:MEAS<x>:DFE:TAPState....................................................................................................................................335
DPOJET:MEAS<x>:DFE:ABSOLUTEVOLTAGEState.......................................................................................................336
DPOJET:MEAS<x>:DFE:ABSOLUTEVOLTAGEValue...................................................................................................... 336
DPOJET:MEAS<x>:DFE:ABSOLUTETIMEState...............................................................................................................336
DPOJET:MEAS<x>:DFE:ABSOLUTETIMEValue.............................................................................................................. 336
DPOJET:MEAS<x>:DFE:MEASatpercent..........................................................................................................................337
DPOJET:MEAS<x>:DFE:DELAYCOMPENSATION.......................................................................................................... 337
DPOJET:MEAS<x>:DFE:MANUALDELAY........................................................................................................................ 337
DPOJET:MEAS<x>:DISPLAYNAME?................................................................................................................................338
DPOJET:MEAS<x>:DFE:TAPValue................................................................................................................................... 338
DPOJET:MEAS<x>:EDGE1...............................................................................................................................................338
DPOJET:MEAS<x>:EDGE2...............................................................................................................................................338
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 12
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DPOJET:MEAS<x>:EDGEIncre.........................................................................................................................................339
DPOJET
:MEAS<x>:EDGES:FROMLevel.......................................................................................................................... 339
DPOJET:MEAS<x>:EDGES:LEVel....................................................................................................................................339
DPOJET:MEAS<x>:EDGES:SLEWRATETechnique..........................................................................................................340
DPOJET:MEAS<x>:EDGES:SUBRATEDivisor..................................................................................................................340
DPOJET:MEAS<x>:EDGES:EYEHeightstate.................................................................................................................... 340
DPOJET:MEAS<x>:EDGES:VOLTAGEState.....................................................................................................................340
DPOJET:MEAS<x>:EDGES:USERDefinedvoltage............................................................................................................341
DPOJET:MEAS<x>:EDGES:TOLevel................................................................................................................................341
DPOJET:MEAS<x>:FILTers:BLANKingtime.......................................................................................................................341
DPOJET:MEAS<x>:FILTers:HIGHPass:FREQ.................................................................................................................. 342
DPOJET:MEAS<x>:FILTers:HIGHPass:SPEC...................................................................................................................342
DPOJET:MEAS<x>:FILTers:LOWPass:FREQ................................................................................................................... 342
DPOJET:MEAS<x>:FILTers:LOWPass:SPEC................................................................................................................... 342
DPOJET:MEAS<x>:FILTers:SJBAndwidth.........................................................................................................................343
DPOJET:MEAS<x>:FILTers:SJFRequency........................................................................................................................343
DPOJET:MEAS<x>:REFVoltage........................................................................................................................................343
DPOJET:MEAS<x>:FILTers:RAMPtime............................................................................................................................. 344
DPOJET:MEAS<x>:FROMedge........................................................................................................................................ 344
DPOJET:MEAS<x>:HIGHREFVoltage...............................................................................................................................344
DPOJET:MEAS<x>:LOWREFVoltage................................................................................................................................344
DPOJET:MEAS<x>:LOGging:MEASurements:FILEname?...............................................................................................345
DPOJET:MEAS<x>:LOGging:MEASurements:SELect......................................................................................................345
DPOJET:MEAS<x>:LOGging:STATistics:SELect...............................................................................................................345
DPOJET:MEAS<x>:LOGging:WORSTcase:SELect...........................................................................................................345
DPOJET:MEAS<x>:MARGIN:HITCOUNTValue................................................................................................................ 346
DPOJET:MEAS<x>:MARGIN:HITRATIOState...................................................................................................................346
DPOJET:MEAS<x>:MARGIN:HITRATIOValue.................................................................................................................. 346
DPOJET:MEAS<x>:MARGIN:RESOlution.........................................................................................................................347
DPOJET:MEAS<x>:MASKfile............................................................................................................................................ 347
DPOJET:MEAS<x>:MASKOffset:HORIzontal:SELECTIONtype........................................................................................347
DPOJET:MEAS<x>:MASKOffset:HORIzontal:AUTOfit?....................................................................................................348
DPOJET:MEAS<x>:MASKOffset:HORIzontal:MANual......................................................................................................348
DPOJET:MEAS<x>:MEASRange:MAX..............................................................................................................................348
DPOJET:MEAS<x>:MEASRange:MIN...............................................................................................................................348
DPOJET:MEAS<x>:MEASRange:STATE.......................................................................................................................... 349
DPOJET:MEAS<x>:MEASStart......................................................................................................................................... 349
DPOJET:MEAS<x>:N........................................................................................................................................................ 349
DPOJET:MEAS<x>:NAME?...............................................................................................................................................349
DPOJET:MEAS<x>:PHASENoise:HIGHLimit.................................................................................................................... 350
DPOJET:MEAS<x>:PHASENoise:LOWLimit.....................................................................................................................350
DPOJET:MEAS<x>:PLOTFILES........................................................................................................................................350
DPOJET:MEAS<x>:RJDJ:SCOPERN................................................................................................................................350
DPOJET:MEAS<x>:RNDN:SCOPERN..............................................................................................................................351
DPOJET:MEAS<x>:REFVoltage........................................................................................................................................351
DPOJET:MEAS<x>:RESULts?.......................................................................................................................................... 351
DPOJET:MEAS<x>:RESULts:ALLAcqs?...........................................................................................................................352
DPOJET:MEAS<x>:RESULts:ALLAcqs:HITPopulation?................................................................................................... 352
DPOJET:MEAS<x>:RESULts:ALLAcqs:HITS?..................................................................................................................352
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 13
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DPOJET:MEAS<x>:RESULts:ALLacqs:LIMits:STATus?................................................................................................... 352
DPOJET
:MEAS<x>:RESULts:ALLacqs:LIMits:HIgh:STATus?...........................................................................................352
DPOJET:MEAS<x>:RESULts:ALLacqs:LIMits:LOw:STATus?........................................................................................... 353
DPOJET:MEAS<x>:RESULts:ALLAcqs:MAX?.................................................................................................................. 353
DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXCC?.............................................................................................................353
DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXCC:STATus?................................................................................................353
DPOJET:MEAS<x>:RESULts:ALLAcqs:MAXHits?............................................................................................................353
DPOJET:MEAS<x>:RESULts:ALLAcqs:MAX:STATus?.....................................................................................................354
DPOJET:MEAS<x>:RESULts:ALLacqs:MAX:HIGHLimit?.................................................................................................354
DPOJET:MEAS<x>:RESULts:ALLacqs:MAX:HIGHMArgin?............................................................................................. 354
DPOJET:MEAS<x>:RESULts:ALLacqs:MIN:LOWLimit?...................................................................................................354
DPOJET:MEAS<x>:RESULts:ALLacqs:MIN:LOWMArgin?............................................................................................... 354
DPOJET:MEAS<x>:RESULts:ALLAcqs:MEAN?................................................................................................................355
DPOJET:MEAS<x>:RESULts:ALLacqs:MEAN:HIGHLimit?.............................................................................................. 355
DPOJET:MEAS<x>:RESULts:ALLAcqs:MEAN:STATus?.................................................................................................. 355
DPOJET:MEAS<x>:RESULts:ALLAcqs:MIN?................................................................................................................... 355
DPOJET:MEAS<x>:RESULts:ALLAcqs:MINCC?.............................................................................................................. 355
DPOJET:MEAS<x>:RESULts:ALLAcqs:MINCC:STATus?.................................................................................................356
DPOJET:MEAS<x>:RESULts:ALLAcqs:MINHits?............................................................................................................. 356
DPOJET:MEAS<x>:RESULts:ALLAcqs:MIN:STATus?...................................................................................................... 356
DPOJET:MEAS<x>:RESULts:ALLacqs:PK2PK?...............................................................................................................356
DPOJET:MEAS<x>:RESULts:ALLacqs:PK2PK:STATus?................................................................................................. 356
DPOJET:MEAS<x>:RESULts:ALLAcqs:POPUlation?....................................................................................................... 357
DPOJET:MEAS<x>:RESULts:ALLacqs:POPUlation:STATus?.......................................................................................... 357
DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):Hits?.......................................................................................................357
DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):MAXHits?............................................................................................... 357
DPOJET:MEAS<x>:RESULts:ALLAcqs:SEG(x):MINHits?................................................................................................ 357
DPOJET:MEAS<x>:RESULts:ALLAcqs:STDDev?............................................................................................................ 358
DPOJET:MEAS<x>:RESULts:ALLacqs:STDDEV:STATus?...............................................................................................358
DPOJET:MEAS<x>:RESULts:CURRentacq:MAX?........................................................................................................... 358
DPOJET:MEAS<x>:RESULts:CURRentacq:MAXCC?...................................................................................................... 358
DPOJET:MEAS<x>:RESULts:CURRentacq:MAXCC:STATus?.........................................................................................358
DPOJET:MEAS<x>:RESULts:CURRentacq:MAX:STATus?.............................................................................................. 359
DPOJET:MEAS<x>:RESULts:CURRentacq:MEAN?.........................................................................................................359
DPOJET:MEAS<x>:RESULts:CURRentacq:MEAN:STATus?........................................................................................... 359
DPOJET:MEAS<x>:RESULts:CURRentacq:MIN?.............................................................................................................359
DPOJET:MEAS<x>:RESULts:CURRentacq:MINCC?....................................................................................................... 359
DPOJET:MEAS<x>:RESULts:CURRentacq:MINCC:STATus?.......................................................................................... 360
DPOJET:MEAS<x>:RESULts:CURRentacq:MIN:STATus?............................................................................................... 360
DPOJET:MEAS<x>:RESULts:CURRentacq:PK2PK?........................................................................................................360
DPOJET:MEAS<x>:RESULts:CURRentacq:PK2PK:STATus?.......................................................................................... 360
DPOJET:MEAS<x>:RESULts:CURRentacq:POPUlation?................................................................................................ 360
DPOJET:MEAS<x>:RESULts:CURRentacq:POPUlation:STATus?................................................................................... 361
DPOJET:MEAS<x>:RESULts:CURRentacq:STDDev?......................................................................................................361
DPOJET:MEAS<x>:RESULts:CURRentacq:STDDev:STATus?........................................................................................ 361
DPOJET:MEAS<x>:RESULts:GETAll................................................................................................................................ 361
DPOJET:MEAS<x>:RESULTS:STATus?........................................................................................................................... 362
DPOJET:MEAS<x>:RESULts:VIew?................................................................................................................................. 362
DPOJET:MEAS<x>:RJDJ:BER..........................................................................................................................................362
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 14
Table of Contents
DPOJET:MEAS<x>:RJDJ:DETECTPLEN..........................................................................................................................362
DPOJET
:MEAS<x>:RJDJ:PATLen.....................................................................................................................................363
DPOJET:MEAS<x>:RJDJ:TYPe........................................................................................................................................ 363
DPOJET:MEAS<x>:RJDJ:WINDOwlength.........................................................................................................................363
DPOJET:MEAS<x>:RNDN:BER........................................................................................................................................ 363
DPOJET:MEAS<x>:RNDN:AUTODETECTpattern............................................................................................................ 364
DPOJET:MEAS<x>:RNDN:PATLen................................................................................................................................... 364
DPOJET:MEAS<x>:RNDN:TYPe.......................................................................................................................................364
DPOJET:MEAS<x>:RNDN:WINDOwlength.......................................................................................................................364
DPOJET:MEAS<x>:SIGNALType...................................................................................................................................... 365
DPOJET:MEAS<x>:SOUrce1............................................................................................................................................ 365
DPOJET:MEAS<x>:SOUrce2............................................................................................................................................ 365
DPOJET:MEAS<x>:SSC:NOMinalfreq:AUTO?..................................................................................................................366
DPOJET:MEAS<x>:SSC:NOMinalfreq:MANual.................................................................................................................366
DPOJET:MEAS<x>:SSC:NOMinalfreq:SELECTIONtype.................................................................................................. 366
DPOJET:MEAS<x>:TIMEDATa?........................................................................................................................................366
DPOJET:MEAS<x>:TOEdge..............................................................................................................................................367
DPOJET:MEAS<x>:ZOOMEVENT.................................................................................................................................... 367
DPOJET:NOISEENABLED................................................................................................................................................ 367
DPOJET:NUMPlot?............................................................................................................................................................368
DPOJET:NUMMeas?......................................................................................................................................................... 368
DPOJET:OPTICALUNITType.............................................................................................................................................368
DPOJET:ADDPlot.............................................................................................................................................................. 368
DPOJET:CLEARALLPlots..................................................................................................................................................369
DPOJET:PLOT<x>:COMPOSITEJitterhist:VERTical:SCALE............................................................................................ 369
DPOJET:PLOT<x>:COMPOSITEJitterhist:NUMBins.........................................................................................................369
DPOJET:PLOT<x>:COMPOSITEJitterhist:TJ....................................................................................................................369
DPOJET:PLOT<x>:COMPOSITEJitterhist:RJNPJ.............................................................................................................370
DPOJET:PLOT<x>:COMPOSITEJitterhist:PJ....................................................................................................................370
DPOJET:PLOT<x>:COMPOSITEJitterhist:DDJDCD......................................................................................................... 370
DPOJET:PLOT<x>:CURRENTUISACquired..................................................................................................................... 371
DPOJET:PLOT<x>:CURRENTUISANalyzed.....................................................................................................................371
DPOJET:PLOT<x>:DATA:XDATa?.....................................................................................................................................371
DPOJET:PLOT<x>:DATA:XDATa:TJ?................................................................................................................................372
DPOJET:PLOT<x>:DATA:XDATa:RJBUJ?.........................................................................................................................372
DPOJET:PLOT<x>:DATA:XDATa:PJ?................................................................................................................................372
DPOJET:PLOT<x>:DATA:XDATa:DDJDCD?.....................................................................................................................373
DPOJET:PLOT<x>:DATA:XDATa:TN.................................................................................................................................373
DPOJET:PLOT<x>:DATA:XDATa:RNNPN.........................................................................................................................373
DPOJET:PLOT<x>:DATA:XDATa:PN.................................................................................................................................374
DPOJET:PLOT<x>:DATA:XDATa:DDNZERO....................................................................................................................374
DPOJET:PLOT<x>:DATA:XDATa:DDNONE...................................................................................................................... 374
DPOJET:PLOT<x>:DATA:YDATa?.....................................................................................................................................375
DPOJET:PLOT<x>:DATA:YDATa:TJ?................................................................................................................................375
DPOJET:PLOT<x>:DATA:YDATa:RJBUJ?.........................................................................................................................375
DPOJET:PLOT<x>:DATA:YDATa:PJ?................................................................................................................................376
DPOJET:PLOT<x>:DATA:YDATa:DDJDCD?.....................................................................................................................376
DPOJET:PLOT<x>:DATA:YDATa:TN.................................................................................................................................376
DPOJET:PLOT<x>:DATA:YDATa:RNNPN.........................................................................................................................377
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 15
Table of Contents
DPOJET:PLOT<x>:DATA:YDATa:PN.................................................................................................................................377
DPOJET
:PLOT<x>:DATA:YDATa:DDNONE...................................................................................................................... 378
DPOJET:PLOT<x>:DATA:YDATa:DDNZERO....................................................................................................................378
DPOJET:PLOT<x>:XUnits?............................................................................................................................................... 378
DPOJET:PLOT<x>:YUnits?............................................................................................................................................... 379
DPOJET:PLOT<x>:SOUrce?............................................................................................................................................. 379
DPOJET:PLOT<x>:TREND:TYPe......................................................................................................................................379
DPOJET:PLOT<x>:TYPe?.................................................................................................................................................379
DPOJET:PLOT<x>:BATHtub:BER..................................................................................................................................... 380
DPOJET:PLOT<x>:BATHtub:VERTical:SCALE.................................................................................................................380
DPOJET:PLOT<x>:EYE:ALIGNment.................................................................................................................................380
DPOJET:PLOT<x>:EYE:HORizontal:AUTOscale..............................................................................................................381
DPOJET:PLOT<x>:EYE:HORizontal:RESolution.............................................................................................................. 381
DPOJET:PLOT<x>:EYE:INTERPolationtype..................................................................................................................... 381
DPOJET:PLOT<x>:EYE:MASKfile.....................................................................................................................................381
DPOJET:PLOT<x>:EYE:STATE.........................................................................................................................................382
DPOJET:PLOT<x>:EYE:SUPERImpose............................................................................................................................382
DPOJET:PLOT<x>:EYE:VERTICALAlignment.................................................................................................................. 382
DPOJET:PLOT<x>:EYE:VERTScale................................................................................................................................. 383
DPOJET:PLOT<x>:EYE:HORIZScale............................................................................................................................... 383
DPOJET:PLOT<x>:EYE:VERTical:YAXISMAx.................................................................................................................. 383
DPOJET:PLOT<x>:EYE:VERTical:YAXISMIn....................................................................................................................384
DPOJET:PLOT<x>:EYE:HORizontal:XAXISMAx...............................................................................................................384
DPOJET:PLOT<x>:EYE:HORizontal:XAXISMIn................................................................................................................384
DPOJET:PLOT<x>:TOTALUISAnalyzed?..........................................................................................................................384
DPOJET:PLOT<x>:TOTALUISAcquired?.......................................................................................................................... 385
DPOJET:PLOT<x>:HISTOgram:HORizontal:SPAN...........................................................................................................385
DPOJET:PLOT<x>:HISTOgram:AUTOset.........................................................................................................................385
DPOJET:PLOT<x>:HISTOgram:HORizontal:AUTOscale..................................................................................................385
DPOJET:PLOT<x>:HISTOgram:HORizontal:CENter.........................................................................................................386
DPOJET:PLOT<x>:HISTOgram:HORizontal:SPAN...........................................................................................................386
DPOJET:PLOT<x>:HISTOgram:NUMBins.........................................................................................................................386
DPOJET:PLOT<x>:HISTOgram:VERTical:SCALE............................................................................................................387
DPOJET:PLOT<x>:PHASEnoise:BASEline.......................................................................................................................387
DPOJET:PLOT<x>:PHASEnoise:SMOOTHENINGFilter...................................................................................................388
DPOJET:PLOT<x>:SPECtrum:BASE................................................................................................................................ 388
DPOJET:PLOT<x>:SPECtrum:HORizontal:SCALE...........................................................................................................388
DPOJET:PLOT<x>:SPECtrum:MODE............................................................................................................................... 388
DPOJET:PLOT<x>:SPECtrum:VERTical:SCALE.............................................................................................................. 389
DPOJET:PLOT<x>:TRANSfer:DENominator.....................................................................................................................389
DPOJET:PLOT<x>:TRANSfer:HORizontal:SCALE........................................................................................................... 389
DPOJET:PLOT<x>:TRANSfer:MODE................................................................................................................................390
DPOJET:PLOT<x>:TRANSfer:NUMerator.........................................................................................................................390
DPOJET:PLOT<x>:TRANSfer:VERTical:SCALE...............................................................................................................390
DPOJET:PLOT<x>:BERContour:ALIGNment....................................................................................................................391
DPOJET:PLOT<x>:BERContour:HORizontal:AUTOscale.................................................................................................391
DPOJET:PLOT<x>:BERContour:HORizontal:RESolution................................................................................................. 391
DPOJET:PLOT<x>:BERContour:MASK.............................................................................................................................391
DPOJET:PLOT<x>:BERContour:MASKFile.......................................................................................................................392
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 16
Table of Contents
DPOJET:PLOT<x>:BERContour:SUPERImpose...............................................................................................................392
DPOJET
:PLOT<x>:BERContour:BER1E6V.......................................................................................................................392
DPOJET:PLOT<x>:BERContour:BER1E9V.......................................................................................................................392
DPOJET:PLOT<x>:BERContour:BER1E12V.....................................................................................................................393
DPOJET:PLOT<x>:BERContour:BER1E15V.....................................................................................................................393
DPOJET:PLOT<x>:BERContour:BER1E18V.....................................................................................................................393
DPOJET:PLOT<x>:BERContour:TARGETBER................................................................................................................. 394
DPOJET:PLOT<x>:VERTBATHtub:BER............................................................................................................................394
DPOJET:PLOT<x>:VERTBATHtub:YAXISUnits.................................................................................................................394
DPOJET:PLOT<x>:VERTBATHtub:HORIzontal:SCALE....................................................................................................394
DPOJET:PLOT<x>:CORRELATEDEye:BER1E6V............................................................................................................ 395
DPOJET:PLOT<x>:EXPORTRaw......................................................................................................................................395
DPOJET:PLOT<x>:CORRELATEDEye:BER1E9V............................................................................................................ 395
DPOJET:PLOT<x>:CORRELATEDEye:BER1E12V.......................................................................................................... 395
DPOJET:PLOT<x>:CORRELATEDEye:BER1E15V.......................................................................................................... 396
DPOJET:PLOT<x>:CORRELATEDEye:BER1E18V.......................................................................................................... 396
DPOJET:PLOT<x>:CORRELATEDEye:TARGETBER.......................................................................................................396
DPOJET:PLOT<x>:CORRELATEDEye:EYEHEIGHT........................................................................................................397
DPOJET:PLOT<x>:CORRELATEDEye:EYEWIDTH......................................................................................................... 397
DPOJET:PLOT<x>:PDFEye:BER1E6V............................................................................................................................. 397
DPOJET:PLOT<x>:PDFEye:BER1E9V............................................................................................................................. 397
DPOJET:PLOT<x>:PDFEye:BER1E12V........................................................................................................................... 398
DPOJET:PLOT<x>:PDFEye:BER1E15V........................................................................................................................... 398
DPOJET:PLOT<x>:PDFEye:BER1E18V........................................................................................................................... 398
DPOJET:PLOT<x>:PDFEye:TARGETBER........................................................................................................................399
DPOJET:PLOT<x>:BEREye:BER1E6V............................................................................................................................. 399
DPOJET:PLOT<x>:BEREye:BER1E9V............................................................................................................................. 399
DPOJET:PLOT<x>:BEREye:BER1E12V........................................................................................................................... 399
DPOJET:PLOT<x>:BEREye:BER1E15V........................................................................................................................... 400
DPOJET:PLOT<x>:BEREye:BER1E18V........................................................................................................................... 400
DPOJET:PLOT<x>:BEREye:TARGETBER........................................................................................................................400
DPOJET:PLOT<x>:COMPOSITENoisehist:HORIzontal:SCALE....................................................................................... 401
DPOJET:PLOT<x>:COMPOSITENoisehist:NUMBins....................................................................................................... 401
DPOJET:PLOT<x>:COMPOSITENoisehist:TN..................................................................................................................401
DPOJET:PLOT<x>:COMPOSITENoisehist:RNNPN..........................................................................................................401
DPOJET:PLOT<x>:COMPOSITENoisehist:PN..................................................................................................................402
DPOJET:PLOT<x>:COMPOSITENoisehist:DDNZERO.....................................................................................................402
DPOJET:PLOT<x>:COMPOSITENoisehist:DDNONE.......................................................................................................402
DPOJET:PLOT<X>:EYE:EYEVerticalscale........................................................................................................................403
DPOJET:PLOT<X>:EYE:INTERPOLATIONFactor............................................................................................................ 403
DPOJET:POPULATION:CONDition................................................................................................................................... 403
DPOJET:POPULATION:LIMIT........................................................................................................................................... 403
DPOJET:POPULATION:LIMITBY...................................................................................................................................... 404
DPOJET:POPULATION:STATE......................................................................................................................................... 404
DPOJET:QUALify:ACTIVE.................................................................................................................................................404
DPOJET:QUALify:SOUrce................................................................................................................................................. 404
DPOJET:QUALify:STATE...................................................................................................................................................405
DPOJET:REFLevel:CH<x>:MIDZero................................................................................................................................. 405
DPOJET:REFLevels:AUTOSet.......................................................................................................................................... 405
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 17
Table of Contents
DPOJET:REFLevels:AUTOset:STATE?.............................................................................................................................406
DPOJET
:REFLevels:CH<x>:AUTOSet.............................................................................................................................. 406
DPOJET:REFLevels:CH<x>:ABSolute.............................................................................................................................. 406
DPOJET:REFLevels:CH<x>:ABSolute:RISEHigh..............................................................................................................406
DPOJET:REFLevels:CH<x>:ABSolute:RISELow...............................................................................................................406
DPOJET:REFLevels:CH<x>:ABSolute:RISEMid............................................................................................................... 407
DPOJET:REFLevels:CH<x>:ABSolute:FALLHigh..............................................................................................................407
DPOJET:REFLevels:CH<x>:ABSolute:FALLLow...............................................................................................................407
DPOJET:REFLevels:CH<x>:ABSolute:FALLMid............................................................................................................... 407
DPOJET:REFLevels:CH<x>:ABSolute:HYSTeresis...........................................................................................................408
DPOJET:REFLevels:CH<x>:BASETop.............................................................................................................................. 408
DPOJET:REFLevels:CH<x>:PERcent............................................................................................................................... 408
DPOJET:REFLevels:CH<x>:PERcent:FALLHigh...............................................................................................................408
DPOJET:REFLevels:CH<x>:PERcent:FALLLow............................................................................................................... 409
DPOJET:REFLevels:CH<x>:PERcent:FALLMid................................................................................................................409
DPOJET:REFLevels:CH<x>:PERcent:PERCENTReflevel................................................................................................ 409
DPOJET:REFLevels:CH<x>:PERcent:HYSTeresis............................................................................................................410
DPOJET:REFLevels:CH<x>:PERcent:RISEHigh...............................................................................................................410
DPOJET:REFLevels:CH<x>:PERcent:RISELow............................................................................................................... 410
DPOJET:REFLevels:CH<x>:PERcent:RISEMid................................................................................................................ 410
DPOJET:REPORT..............................................................................................................................................................411
DPOJET:REPORT:APPlicationconfig.................................................................................................................................411
DPOJET:REPORT:AUTOincrement................................................................................................................................... 411
DPOJET:REPORT:COMments...........................................................................................................................................411
DPOJET:REPORT:DETailedresults....................................................................................................................................412
DPOJET:REPORT:ENABlecomments................................................................................................................................412
DPOJET:REPORT:GETIMAGE..........................................................................................................................................412
DPOJET:REPORT:GETIMAGEName................................................................................................................................ 412
DPOJET:REPORT:GETXMLReport................................................................................................................................... 412
DPOJET:REPORT:PASSFailresults...................................................................................................................................413
DPOJET:REPORT:PLOTimages........................................................................................................................................413
DPOJET:REPORT:REPORTName.................................................................................................................................... 413
DPOJET:REPORT:SETupconfig........................................................................................................................................ 413
DPOJET:REPORT:SAVEWaveforms................................................................................................................................. 414
DPOJET:REPORT:SETIMAGEPath...................................................................................................................................414
DPOJET:REPORT:STATE?................................................................................................................................................414
DPOJET:REPORT:VIEWreport.......................................................................................................................................... 414
DPOJET:RESULts:STATus?.............................................................................................................................................. 415
DPOJET:RESULts:VIew.................................................................................................................................................... 415
DPOJET:RESULts:GETALLResults?................................................................................................................................. 415
DPOJET:SAVE................................................................................................................................................................... 415
DPOJET:SAVEALLPLOTS.................................................................................................................................................416
DPOJET:SETIMAGETPath................................................................................................................................................ 416
DPOJET:SETLOGGINGPath............................................................................................................................................. 416
DPOJET:SETREPORTPath...............................................................................................................................................416
DPOJET:SHOWMEASWARNing....................................................................................................................................... 417
DPOJET:SNC:ACTIvate.....................................................................................................................................................417
DPOJET:SNC:CLOse........................................................................................................................................................ 417
DPOJET:SOURCEAutoset.................................................................................................................................................417
DPOJET Jitter, Noise and Eye Diagram Analysis Solution Application Help 18
Table of Contents
DPOJET:SOURCEAutoset:HORizontal:UICount............................................................................................................... 418
DPOJET
:SOURCEAutoset:HORizontal:UIValue................................................................................................................418
DPOJET:SOURCEAutoset:STATE?...................................................................................................................................418
DPOJET:STATE................................................................................................................................................................. 418
DPOJET:TDCOMPensation............................................................................................................................................... 419
DPOJET:UNITType............................................................................................................................................................419
DPOJET:LOCKRJ.............................................................................................................................................................. 419
DPOJET:LOCKRJValue..................................................................................................................................................... 419
DPOJET:PLOT<x>:BATHtub:XAXISUnits..........................................................................................................................420
DPOJET:PLOT<x>:NOISEBATHtub:YAXISUnits...............................................................................................................420
DPOJET:VERTUNITType...................................................................................................................................................420
DPOJET:VERsion?............................................................................................................................................................ 421
Index......................................................................................................................................................................................... 422
DPOJET Jitter, Noise and Eye Diagram Analysis Solution 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 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 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 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 Application Help 23
List of Figures
Figure 138: View log file names................................................................................................................................................ 163
Figure 139: V
iew 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 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 Application Help 25
List of Figures
Figure 208: Eye high................................................................................................................................................................. 286
Figure 209: Eye low
.................................................................................................................................................................. 287
Figure 210: T/nT ratio................................................................................................................................................................291
Figure 211: High-Low................................................................................................................................................................292
Figure 212: Overshoot.............................................................................................................................................................. 293
Figure 213: Undershoot............................................................................................................................................................ 293
Figure 214: PCIe T-Tx-Fall........................................................................................................................................................296
Figure 215: PCIe T-Tx-Rise...................................................................................................................................................... 297
Figure 216: PCIe MAX-MIN ratio.............................................................................................................................................. 298
Figure 217: USB VTx-Diff-PP....................................................................................................................................................300
Figure 218: Eye Crossing Level................................................................................................................................................ 304
Figure 219: Noise model component interrelationships............................................................................................................ 309
DPOJET Jitter, Noise and Eye Diagram Analysis Solution 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 Application Help 27
List of Tables
Table 33: Explicit Clock-PLL options........................................................................................................................................... 86
T
able 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 Application Help 28
List of Tables
Table 68: Configuring edges for DDRtJIT(per) DDRtCK(avg) and DDRtJIT(duty).................................................................... 118
T
able 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 Application Help 29
List of Tables
Table 103: Configuring a phase noise plot................................................................................................................................ 188
T
able 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 Application Help 30
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