Lecroy LTXXX-OM-E-TOC, LTXXX-OM-E-Rev-B User Manual

T ABLE OF C ONTENTS
INTRODUCTION FIRST TH INGS
WhenYou rWa verun neris Deli vered…........................................................................................... 3
CHECK THAT YOU HAVE EVERYTHING..................................................................................................3
TAKE ADVANTAGE OF MAINTENANCE AGREEMENTS ..................................................................4
OBTAIN ASSISTANCE .........................................................................................................................................4
RETURN A PRODUCT FOR SE RVICE OR REPAIR ..................................................................................4
STAY UP-TO-DATE ...............................................................................................................................................4
Saf ety First
OPERATE IN A SAFE ENVIRON MENT.......................................................................................................6
GET TO KNOW THE W ARNING SYMBOLS...............................................................................................6
CHOOSE THE CORRE CT POWER SOURCE...............................................................................................7
MAINTAIN POWER GROUND.........................................................................................................................7
REPLACE WITH THE CORRECT FUSES......................................................................................................8
CL EAN YOUR WA VERUNNER (BUT LE T US MAINTAIN IT)..............................................................8
Upand Runn ing..............................................................................................................................9
GET TO KNOW WAVERUNNER — FRONT PANE L ...............................................................................9
INSTALL AND POWER UP.................................................................................................................................9
GET TO KNOW WAVERUNNER — BACK PANE L ................................................................................10
INITIALIZE ............................................................................................................................................................12
CHECK YOUR W A VE RUNNER SYSTEM....................................................................................................12
ADD AN OPTION?..............................................................................................................................................13
UPDATE TO THE LATE ST FIRMW ARE? ....................................................................................................13
DO YOU PREFER YOUR CONTROLS WITH SOUND AND AUTO-REPEAT?.............................14
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PPAARRTTOONNEE::GGEETTTTIINNGGSSTTAARRTTEED
CHAPTER ONE:
ViewYourWav eform ......................................................................................................................17
USE TIME /DIV TO ADJUST THE TIMEBASE .........................................................................................19
ADJUST SENSITIVITY AND POSITION.....................................................................................................20
ZOOM AND SCROLL AUTOMATICALLY..................................................................................................20
USE THE POSITION AND ZOOM CONTROLS.......................................................................................22
SET UP THE TIME BASE ...................................................................................................................................23
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CATCH A NEW WAVE
...............................................................17
D .............................15
T ABLE OF C ONTENTS
SET THE COUPLING.........................................................................................................................................24
SET UP FOR CAL AND BNC SIGNALS.......................................................................................................25
CHAPTER TWO:
Edge Tri gge ron Sim ple Signals.....................................................................................................29
CONTROL TRIGGERING................................................................................................................................29
SET UP AN EDGE TRIGGER .........................................................................................................................30
USE WINDOW TRIGGER.................................................................................................................................33
TRIGGER SOURCE .............................................................................................................................................34
OBTAIN A TRIGGER STATUS SUMMARY ................................................................................................35
CHAPTERTHREE:
DisplayPersistence........................................................................................................................37
VIEW SIGNAL CHANGES OVER TIME .....................................................................................................37
SET UP YOUR DISPLAY....................................................................................................................................38
SET UP FOR PERSISTENCE ............................................................................................................................39
CHOOSE A GRID STYLE .................................................................................................................................40
Save andRe c all YourPanel Setups.................................................................................................42
SAVE PANEL SETUPS ........................................................................................................................................ 42
RECALL PANEL SE TUPS ..................................................................................................................................43
CH APTE R FOUR:
Measure wit hCursors ....................................................................................................................45
CONTROL THE TIME CURSORS .................................................................................................................. 45
CONTROL THE AMPLITUDE CURSORS...................................................................................................46
Measure Automaticallywi t hParameters........................................................................................50
CHOOSE A STANDARD PARAME TER .......................................................................................................51
TURN OFF CURSORS AND PARAMETERS............................................................................................... 52
SIMPLYT RIGGER
..................................................................... 29
DISPLAY YOUR SIGNAL
CHOOSE A MEASURE TOOL
...................................................... 37
................................................ 45
CH APTE R FI VE:
Ma ke MathEasy............................................................................................................................55
SET UP TO DO W A VEFORM MATHEMATICS.........................................................................................56
USE A MATH TOOL ...........................................................................................................................................57
PE RFORM AN FFT OPERATION ..................................................................................................................58
DO SUMMED AVE RAGING ............................................................................................................................ 61
Save andRe c all Waveforms............................................................................................................6 3
OBTAIN A W A VE FORM OR MEMORY STATUS RE PORT................................................................... 65
CHAPTER SIX:
Ma ke a Ha rd Copy.........................................................................................................................67
PRINT, PLOT OR COPY....................................................................................................................................68
Ma nage Floppy orCard Files.........................................................................................................69
CUSTOMIZE FILE N AMES.............................................................................................................................. 70
ADD A NEW DIRECTORY...............................................................................................................................71
USE M ATH TOOLS
.................................................................... 55
DOCUMEN T YOUR WORK
......................................................... 67
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TableofContents
COPY FIL ES ...........................................................................................................................................................72
PPAARRTTTTWWOO::LLOOOOKKIINNGGDDEEEEPPEER
CHAPTERSEVEN:
Choos ea Samplin g Mode..............................................................................................................77
SINGL E-SHOT — WA VERUNN ER’S BASIC CAPTURE TECHNIQUE ............................................77
ROLL — DISPLAY IN REAL-TIME................................................................................................................78
SEQUENCE — WORKING WITH SEGMENTS........................................................................................79
PAIRING CHANNELS ........................................................................................................................................80
Us ea Samplin g Mode.....................................................................................................................81
SET UP FOR SINGL E-SHOT OR RIS............................................................................................................81
OBTAIN A SEQUENCE STATUS SUMMARY.............................................................................................83
OR SAMPLE EXTERNALLY.............................................................................................................................84
CHAPTER EIGHT:
Hold Off byTime or Events......................................................................................................... 87
HOLD OFF BY TIME ..........................................................................................................................................87
HOLD OFF BY EVENTS ...................................................................................................................................88
Trigge rSMART ............................................................................................................................. 89
CATCH A GLITCH...............................................................................................................................................89
CAPTURE RARE PHE NOMENA....................................................................................................................93
TRIGGER ON INTE RVALS ..............................................................................................................................96
QUALIFY A SIGNAL .........................................................................................................................................100
TRIGGER ON LOST SIGNALS .....................................................................................................................103
TRIGGER ON TV SIGNAL S...........................................................................................................................106
TRIGGER PATTERN.........................................................................................................................................108
A QUE STION OF TIM EBASE
TRIGGER SM ART
...................................................................87
R.............................. 7 5
...............................................77
CH APTE R NINE:
Tra nsform YourVision................................................................................................................. 113
“Pa int” You rDisplay....................................................................................................................116
CHANGE YOUR PALETTE ............................................................................................................................117
Set UpXY Display........................................................................................................................120
CHAPTER TEN:
Compu t eExt rema Waveforms......................................................................................................125
Rescale and AssignUnits.............................................................................................................127
Enhance Resolution.....................................................................................................................128
Do MorewithFFT .......................................................................................................................132
DO FFT AVERAGE ............................................................................................................................................132
DO ADDITIONAL PROCESSING................................................................................................................132
LTXXX-OM-E Rev B ISSUED: January2002 v
DISPLAYM ORE
.......................................................................113
USE ADVAN CE D MAT H TOOLS
............................................ 125
T ABLE OF C ONTENTS
USE CURSORS WITH FFT ..............................................................................................................................132
SET FFT SPAN.....................................................................................................................................................135
Us eanAdva nced MathFunc t i on................................................................................................. 137
Resample toDeskew....................................................................................................................138
Plo tTrends...................................................................................................................................139
READ TRENDS...................................................................................................................................................141
CH APTE R ELE VEN:
Us eCu stomParameter s............................................................................................................... 14 5
CUSTOMIZE A PARAMETER .......................................................................................................................146
Test for Pass and Fail ................................................................................................................... 14 7
SET UP A PASS/ FAIL TEST...........................................................................................................................147
PASS/ FAIL TEST ON A MASK.....................................................................................................................148
MAKE A WA VEFORM MASK ........................................................................................................................149
CHANGE A TEST ACTION ............................................................................................................................149
Choos ea Parameter...................................................................................................................... 15 3
CH APTE R TWEL V E:
Tra nsferData an dImages to PC.................................................................................................. 161
EXPL ORE YOUR SCOPE ................................................................................................................................162
MONITOR YOUR REMOTE CONTROL OPERATIONS.....................................................................163
Save Wa vef orms in ASCII.............................................................................................................164
SAVE IN AN ASCII FORMAT.........................................................................................................................165
Us eASCII Formats...................................................................................................................... 16 7
SAVE TO SPREADSHEET...............................................................................................................................167
PL OT A WA VE FORM IN SPREADSHEE T ................................................................................................170
USE MATHCAD..................................................................................................................................................171
USE MATLAB ......................................................................................................................................................173
PPAARRTTTTHHRREEEE::WWAAVVAAOOPPTTIIOON
CH APTE R THI RTEEN:
A ValuableTool forWavef ormAn a lysi s ........................................................................................17 7
SET UP FOR HISTOGRAMS ..........................................................................................................................177
PARAMETE R MATH.........................................................................................................................................185
ANALYZE WITH PARAMETERS
USE WAVE RUNN ER WITH PC
N ................................175
PARAM E TE RS
...............................................................177
.....................................145
.......................................161
CH APTE R FOURT EEN:
Create an dVi ew a Histogra m...................................................................................................... 191
SETTING BINNING AND SCAL E...............................................................................................................196
CHOOSING HISTOGRAM PARAMETE RS...............................................................................................200
USING MEASUREMENT CURSORS...........................................................................................................201
ZOOMING SE GMENTED TRACES............................................................................................................203
CHAPTE RFIFTEEN :
Theory of Operation....................................................................................................................205
MAKING H I STOGRAMS
HOW HISTOGRAMS WORK
.............................................191
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DSO PROCESS.....................................................................................................................................................206
PARAMETE R BUFFER .....................................................................................................................................206
CAPTURE OF PARAMETER EVENTS .......................................................................................................207
HISTOGRAM PARAME TERS.........................................................................................................................207
ZOOM TRACE S AND SEGMENTED WA VEFORMS ............................................................................208
HISTOGRAM PEAKS........................................................................................................................................208
BINNING AND ME ASUREMENT ACCURACY......................................................................................209
CHAPTE RSIXTEEN :
avg ................................................................................................................................................211
fwhm.............................................................................................................................................212
fwxx..............................................................................................................................................213
hampl............................................................................................................................................214
Hba s e...........................................................................................................................................215
high...............................................................................................................................................216
hmedian........................................................................................................................................217
hrms..............................................................................................................................................218
htop...............................................................................................................................................219
low................................................................................................................................................220
m axp.............................................................................................................................................221
m ode.............................................................................................................................................222
p c t l................................................................................................................................................223
p ks ................................................................................................................................................224
range.............................................................................................................................................226
sigma ............................................................................................................................................227
to t p................................................................................................................................................228
xapk..............................................................................................................................................229
APPENDIX:
Inst rumen tArchitect ure Ove rview...............................................................................................231
PROCESSORS.......................................................................................................................................................231
ADCs .......................................................................................................................................................................231
MEMORIES...........................................................................................................................................................231
RIS ............................................................................................................................................................................231
TRIGGER SYSTEM ............................................................................................................................................231
AUTOMATIC CAL IBRATION........................................................................................................................232
DISPLAY SYSTEM..............................................................................................................................................232
INTERFACE AND PANEL SE TUPS.............................................................................................................232
REMOTE CONTROL ........................................................................................................................................232
Sp ecifications................................................................................................................................234
MODELS................................................................................................................................................................234
ARCHI TECTURE AND SPE CI FICATI ONS
HISTOGRAM PARAMETERS
..........................................211
................................... 231
ACQUISITION SYSTEM ....................................................................................................................234
TIMEBASE SYSTEM ..........................................................................................................................................235
LTXXX-OM-E Rev B ISSUED: January2002 vii
T ABLE OF C ONTENTS
TRIGGERING SYSTEM...................................................................................................................................236
SMART TRIGGER TYPES...............................................................................................................................236
AUTOSETUP........................................................................................................................................................237
PROBE S .................................................................................................................................................................237
COLOR WA VEFORM DISPLAY ....................................................................................................................237
ANALOG PE RSISTENCE DISPLAY............................................................................................................237
ZOOM EXPANSION TRACES.......................................................................................................................237
RAPID SIGNAL PROCE SSING .....................................................................................................................238
INTERNAL W A VE FORM MEMORY ...........................................................................................................238
SETUP STORAGE ..............................................................................................................................................238
MATH TOOLS .....................................................................................................................................................238
MEASURE TOOLS.............................................................................................................................................239
EXTENDE D MATH AND MEASUREMENTS OPTION......................................................................239
W A VE ANALYZE R OPTION...........................................................................................................................239
SPECIAL APPLICATION SOLUTIONS ......................................................................................................239
INTERFACE .........................................................................................................................................................240
OUTPUTS..............................................................................................................................................................240
GENERAL ..............................................................................................................................................240
GL O SSARY OF TECH NI CAL TERM S
...................................................................243
v iii ISSUED: January 2002 L TXXX-OM-E RevB
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