Tektronix 2232 User manual

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Instrument Serial Numbers
Eachinstrumentmanufacturedby Tektronix hasa serial number on a panel insert or tag, or stampedon the
chassis. The first letterinthe serial number designatesthe country of manufacture. The lastfive digits of the
serial numberare assignedsequentially and are uniqueto each instrument. Those manufacturedinthe
UnitedStates have six unique digits. The countryof manufactureis identifiedas follows:
BOl0000 Tektronix, Inc.,Beaverton,Oregon,USA
E200000 Tektronix United Kingdom,Ltd., London
J300000 SonyrTektronix,Japan
H700000 Tektronix Holland, NV, Heerenveen,The Netherlands
Instrumentsmanufacturedfor Tektronix by externalvendors outsidethe UnitedStatesare assigneda two digit
alphacode to identifythe countryof manufacture(e.g.,JP for Japan, HK for Hong Kong, ILfor Israel,etc.).
Tektronix, Inc., PO. Box 500, Beaverton,
OR 97077
_' /
Printedin U.S.A.
Copyright
O Tektronix, Inc., 1988, 1992, 1993.All rightsreserved. Tektronix products are covered by U.S. and
foreign patents, issuedand pending. The followingare registeredtrademarks:TEKTRONIX, TEK,
TEKPROBE, and SCOPE-MOBILE.

WARRANTY
Tektronix warrantsthat this productwill befree from defects inmaterialsand workmanship for a period of three (3) years from
the dateof shipment.Ifany such productprovesdefectiveduringthiswarranty period,Tektronix,at itsoption, either will repair
the defectiveproduct without chargefor parts and labor, or will providea replacement inexchangefor the defective product.
Inordertoobtainserviceunderthis warranty,Customermust notifyTektronixof thedefectbeforetheexpirationofthewarranty
periodand makesuitablearrangementsfor the performance of service. Customer shall be responsiblefor packagingand
shippingthe defective producttothe servicecenter designatedby Tektronix, with shipping charges prepaid.Tektronix shall
payfor the return of the productto Customer if the shipment is to a locationwithin the country inwhich the Tektronix service
center is located.Customershall be responsiblefor payingall shipping charges, duties,taxes, and any other charges for
productsreturnedto any other locations.
This warrantyshall notapplyto anydefect,failureor damage caused byimproperuseor improperor inadequatemaintenance
andcare.Tektronixshall not be obligatedto furnish service underthiswarranty
a) to repairdamageresultingfrom attempts by
personnelother than Tektronix representativesto install,repairor servicethe product; b) to repair damage resultingfrom
improperuse or connectionto incompatibleequipment;or c) to service
a proc3uct iha? has 9een modified or integratedwith
other productswhen the effect of such modificationor integrationincreasesthe time or difficultyof servicingthe product.
C
.I.
1
THIS WARRANTY ISGIVEN BY TEKTRONIX WITH RESPECTTO THIS PRODUCT INLIEU OF ANY OTHER
L
WARRANTIES, EXPRESSEDOR IMPLIED.TEKTRONlXAND ITSVENDORS DISCLAIMANY IMPLIEDWARRANTIES OF
-
A
MERCHANTABILITYOR FITNESSFOR A PARTICULAR PURPOSE. TEKTRBNIX' RESPONSIBILITYTO REPAIR OR
L
REPLACEDEFECTIVE PRODUCTS ISTHE SOLE AND EXCLUSIVE REMEDY PROViDEDTO THE CUSTOMER FOR
d
1
BREACHOF THlS WARRANTY. TEKTRONIX AND ITSVENDORSWILL NOT BELIABLEFOR ANY INDIRECT,SPECIAL,
INCIDENTAL, OR CONSEQUENTIALDAMAGESIRRESPECTIVEOF WHETHER TEKTRONIX OR THE VENDOR HAS
L
5
ADVANCE NOTICEOF THE POSSIBILITY OF SUCH DAMAGES.

This apparatus has beendesigned and tested in accordancewith IEC Publication 348, Safety Requirements
for ElectronicMeasuringApparatus, and has been supplied in a safe condition. This manual containssome
informationand warnings which haveto befollowed bythe user to ensure safe operationandto retainthe
apparatusin safe condition.
The apparatushas beendesignedfor indoor use. It may occasionally be subjectedto temperatures between
+So C and -10" Cwithout degradationof its safety.

German Postal Information
Certificateof the Manufacturer/lmporter
We hereby certify that the 2232 Oscilloscope and allfactory-installedoptions comply with the RF Interference
Suppressionrequirementsof Postal RegulationVfg. 104611984.
The German PostalService was notifiedthat the equipment is being marketed.
The German PostalService hasthe rightto re-testthe series andto verify that it complies.
TEKTRONIX
Bescheinigung des Herstellers/lmporteurs
Hiermitwird bescheinigt,daO das 2232 Oscilloscopeundallefabrikinstallierten Optionen in
~bereinstimmungmitden Bestimmungender Amtsblatt-Verfugung104611984funkentstort sind.
Der DeutschenBundespostwurde das lnverkehrbringendieses Geratesangezeigt unddie Berechtigungzur
~berprufungder Serieauf Einhaltender Bestimmungeneingeraumt.
TEKTRONIX
NOTICEto the userloperator:
The GermanPostal Service requiresthat systemsassembledbythe operatorluserof this instrument must also
comply with Postal Regulation,Vfg. 104611984, Par.
2, Sect. 1.
HlNWElSfiir den BenutzerIBetreiber:
Dievom BetreiberzusammengestellteAnlage, innerhalbderer dieses Gerat eingesetztwird, muO ebenfalls
den Voraussetzungennach Par.
2, Ziff. 1der Vfg. 104611984, genugen.
NOTICEto the userloperator:
The GermanPostalService requiresthat this equipment,when used in atest setup, may only be operated if
the requirementsof Postal Regulation,Vfg. 104611984, Par.
2, Sect. 1.7.1 are compliedwith.
HlNWElSfur den BenutzerIBetreiber:
Dieses Gerat darf in MeOaufbauten nur betriebenwerden, wenn dieVoraussetzungen des Par. 2, Ziff. 1. 7.1
der Vfg. 104611984eingehaltenwerden.

Welcome
This manualis designedto familiarizeyou withthe features and operationof
the 2232 DigitalStorageOscilloscope.
The BeforeYou Beginsectioncontainsimportantsafety informationas well
as instructionson preparingthe instrumentfor use.
UsetheAt a Glance sectionto learnabout each of the front-panelcontrols
andmenus.
With the
In Detailsection you can beginexploringthe various ways of using
the oscilloscopeto display, measure, and storewaveforms.
Related Manuals
Tektronix also providesthefollowing documentationfor the 2232 Digital
StorageOscilloscope:
8
The 2232Service Manualcontainsextendedserviceinformation;includ-
ingcircuit description,schematics, anda completeelectricalparts list.
There aretwo service manuals: part number 070-7067-01documents
instrumentswith serial numbersB010100to 8029999; and
part number
070-8548-00isfor serial numbersI3030000and above.
The 2221A, 2224, & 2232 OptionalGPlB & RS-232-CInterfacesUser
Manual(070-8159-XX) shows howto connect, program,and usethe
optional GPlBand RS-232-Ccommunicationinterfaces.
The Quickstartpackage (020-1 812-04 for the U.S. and 020-1812-06
for international) includes avideotapeand exercisesalongwith a signal
boardto provideyou with practicalinstruction.
Y
i
t
2232 User Manual i

Welcome

Table of Contents
Welcome ....................................................
Product Description . . . ... .. . .. .. . . .... . .... .. . . .... .. . . .. .. .
BeforeYou Begin
Safety . . . . . . .. . . . ..... ..... .. .. . ........ . .. .. ... . ... . ... . ...
SymbolsandTerms .. . ..... .. ........ . .... ... ..... .. ... . .
Specific Precautions . .. . . . . . ... . ... . .. .... . .. . . . . . .. .. ...
Start Up.. . .. .. . . . . .... .. . .... .. .. . ... . .. . .... . . . . .. .. . .... . .
Installation & Power On . . . . .. . . . . ..... . .. . .. . . .... . . ... . .
InitialSetup . .. ... .. .. .... . . . . . .. . ... . . . . . .... .. .. . .... . .
Setting Upthe Display .... . ........ .. . . . ... . .. . . .. . . . . .
Adjusting Trace Rotation ... . .. . . . . . .. ... . . . . .. .. . . . . . . .
Checkingthe ProbeCompensation .... . . . ... . .. .. .. . . .. .
Installingthe Accessory Pouch . .. . . . .. ........ .. . .. ..... .
Usingthe Power CordWrap . . . .... .... . ..... . . .... . .... . .
At a Glance
Front Panel .................................................
Power Switch ............................................
CRT Display .. . . .. . .... . .. . . . . . . ... .. . . . . . .. . . .. .. ... .. . .
Display Mode ............................................
CRT Display Controls . ... ..... . . . .. ... ... . .. . .... . ... .. . .
VerticalControls and Connections
..... . .. . ... . . . . . .... . . .
Horizontal Controls . .. .. . . . . .. .. . ..... . .. . ... :. . .. .. .. .. .
Trigger Controls
... ... .. . . ..... . ..... . .... . .. .. . . . ... . ...
Cursor Controls .. ...... . . .. . . . .... . ... . . . . . .. ....... .. . .
AcquisitionControls . . .... . .. . .. . .. .... ... . . .. . . .... .. .. .
Save ReferenceMemory Buttons .. . . .. . ... . .. . . . ... ... . . .
Setup Menus .. .... .. . .... .. . . ... .. .... ... .. . .. . .. . . . . . . ... . .
Acquisition Menu . ...... . . .. .. . . . . . ....... . .. . . . . ... . .. ..
DisplayMenu ............................................
Format ReferenceMenu . . . .. . . . . . . . .. . ... . .. . . . .. . .. .. ...
NVmemReferenceMenu .. . . . . . . . ... .. ... . . . .... .. . . .. . . .
PlotMenu ...............................................
Advanced FunctionsMenu ... ... ..... . .. .. .. .... . . .. .. . . .
2232 User Manual

In Detail
DisplayingSignals ...........................................
Applying Signalsto the Vertical Inputs .....................
ConnectingSignals ....................................
Coupling Signals ......................................
Prechargingthe Signal Input ............................
Buildinga Basic Display ..................................
Presettingthe Controls .................................
Selectingthe Display Mode (STOREINON-STORE) ........
Selectingthe Trigger Mode .............................
Selectingthe HorizontalModeand Scale .................
Selectingthe Vertical Mode and Scale ...................
Settingthe Display Intensityand Focus ..................
Finding "Lost" Displays ................................
DigitizingSignals ........................................
SelectingtheAcquisition Mode .........................
Selectingthe High-speed StorageMode .................
SelectingSlow-SpeedStorage Modes ...................
Viewing Slowly Occurring Events ........................
Capturing Random Events .............................
Accumulating Signal Peaks (ACCPEAK) ..................
DetectingSignal Glitches ...............................
Averaging Signals .....................................
Sampling Signals .....................................
ClockingAcquisitions ..................................
Selectingthe Acquisition RecordLength (1K/4K) ..........
Compressingthe Acquisition RecordLength
(4KCompress)
....................................
Positioningthe Acquisition Record ......................
PreventingSignalAliases ..............................
DisplayingMagnified Sweeps .............................
Usingthe XI0 Magnifier ................................
DisplayingTwo Channels .................................
ComparingTwo Signals ................................
Adding Two Signals ...................................
SubtractingSignals or SignalComponents
(CommonMode Rejection)
.........................
DisplayingTwo Sweeps ..................................
UsingRUNSAFTER DELAY ............................
Displaying X-Y Patterns ...................................
Limiting Bandwidth ......................................
Modulatingthe Display Intensity ..........................
Triggering on Signals ....................................
Triggeringon RepetitiveSignals .........................
Triggeringon Low-FrequencySignals ....................
Triggeringon Randomor InfrequentEvents ..............
Triggeringon Complexor Non-RepetitiveSignals .........
iv Contents

...........................
Triggeringon Line Frequency 3-29
.......................
Triggeringwith an ExternalSignal 3-29
...............................
Triggeringon TV Signals 3-29
RemovingUnwantedTrigger SignalComponents
......... 3-31 ,
...........................................
Measuring Signals 3-33
.............................
Measuring with the Graticule 3-33
.....................
Measuringwith STORE Mode Cursors 3-33
................................
Positioningthe Cursors 3-34
....................................
MeasuringVoltage 3-34
..............
MeasuringVoltages in Referenceto Ground 3-35
.............
MeasuringTime with the Graticuleor Cursors 3-37
...........
MeasuringTime Usingthe DelayTime Readout 3-38
..................................
MeasuringFrequency 3-39
......................
MeasuringRiseTime and FallTime 3-40
................................
MeasuringTrigger Level 3-42
............................
MeasuringPhaseDifference 3-42
...............................
SavingWaveformsand Setups 3-45
.........................
Savingand Recalling Waveforms 3-45
..........................
Savingthe CurrentAcquisition 3-45
................
SavingWaveforms in SAVE REF Memory. 3-45
...................
Recallinga Waveformfrom SAVE REF 3-46
..........................
Comparing SavedWaveforms 3-46
...........................
FormattingSavedWaveforms 3-46
................
Saving Waveforms in Long-TermMemory 3-47
Savingand Recalling Setups ............................. 3-49
Saving a Setup ....................................... 3-49
.........................
Recallinga Setup from Memory 3-49
Recallinga Power Up State
.............................
3-49
Transmitting Waveforms ..................................... 3-51
.....................
Communicatingvia InterfaceOptions 3-51
...........................
Plotting or Printing a Waveform 3-52
Appendices
Appendix A: Optionsand Accessories ........................
A- I
Options ................................................. A- I
StandardAccessories .................................... A-2
OtherAccessories
....................................... A-3
Appendix
B: Specification .................................... A-5
General Product Description
.............................. A-5
Optionsand Accessories
................................. A-7
PerformanceConditions
.................................. A-7
Characteristic Tables
..................................... A-8
......................... Appendix C: PerformanceVerification A-25
2232 User Manual v

General Information ...................................... A-25
Purpose .............................................. A-25
............................ PerformanceCheck Interval A-25
Structure
............................................. A-25 1
1-1
Limitsand Tolerances .................................. A-25
. 1
Test Equipment Required ................................. A-26
Procedures
.............................................. A-28
InitialSetup Procedure ................................. A-28
Vertical SystemChecks
................................ A-28
HorizontalSystem Checks
............................. A-37
Trigger System Checks
................................ A-45
ExternalZ.Axis. ProbeAdjust. ExternalClock. and
X-YPlotterChecks ................................. A-51
Appendix D: Storage Modes ..................................
A-55
Glossary and lndex
Glossary .................................................... G-1
Index ....................................................... 1-1

List of Figures
Figure 1-1 : Installingthe Power Cord ...........................
................................
Figure1-2: InitialSetup Display
Figure1-3: CheckingProbe Compensation
.....................
Figure 1-4: Installingthe Accessory Pouch ......................
Figure 1-5: Usingthe Power Cord Wrap .........................
Figure2-1 : FrontPanelControlSections ........................
Figure2-2: Front PanelView -- Left Side ........................
Figure2-3: Front PanelView -- Right Side ......................
Figure2-4: Power Switch .....................................
Figure2-5: CRT Graticule .....................................
Figure2-6: Analog (NON-STORE) Mode Display .................
Figure2-7: Digital (STORE) Mode Display .......................
..............................
Figure2-8: CRT DisplayControls
Figure2-9: Vertical Controlsand Connections
...................
Figure2-10: Vertical Controlsand Connections (Cont.) ...........
...............................
Figure2-11 : HorizontalControls
Figure2-12: Trigger Controls
..................................
Figure2-13: Trigger Controls (Cont.) ...........................
Figure2-14: Cursor Controls ..................................
..............................
Figure2-15: AcquisitionControls
Figure2-16: Save Reference Memory Buttons
...................
Figure2-17: 1KTwo-ChannelAcquisition, Memory Location1 .....
Figure2-1 8: 4K Two-ChannelAcquisition. MemoryLocation4K ....
....................................
Figure2-19: Setup Buttons
Figure2-20: Setup Menu Example (Display)
.....................
.................................
Figure2-21 : Acquisition Menu
....................................
Figure2-22: DisplayMenu
Figure2-23: FormatReference Menu
...........................
Figure2-24: NVmem Reference Menu ..........................
Figure2-25: Plot Menu .......................................
Figure2-26: Advanced FunctionsMenu .........................
.................................
Figure2-27: Save Setup Menu
Figure3-1
: InputConnectionand Coupling Switch ...............
Figure3-2: HorizontalDisplayControls .........................
Figure3-3: Vertical Display Controls ............................
..............................
Figure3-4: CRT DisplayControls
Figure3-5: Beam Find
........................................
Figure3-6: Scan Mode .......................................
Figure3-7: Roll Mode ........................................
Figure3-8: Accumulate Peak Mode Display .....................
2232 User Manual
-..... . .
..
vii
- .

..........................
Figure3-9: Peak Detect Mode Display 3-14
Figure3-10: Average Mode Display
............................ 3-14
Figure3-11
: Sample Mode Display ............................. 3-15
Figure3-12: AcquisitionWindow Indicator
...................... 3-15
Figure3-13: 4K Acquisition, 1KWindow
........................
3-16
Figure3-14: Compressed4K Acquisition
........................ 3-16
Figure3-15: PretriggerAcquisition
............................. 3-17
Figure3-16: MidtriggerAcquisition
.............................
3-17
Figure3-17: PosttriggerAcquisition
............................ 3-18
Figure3-18: Aliasing
......................................... 3-19
Figure3-19: RejectingCommon Mode Signal
................... 3-21
Figure3-20: Selecting the X-Y Mode
............................ 3-23
Figure3-21
: X-Y PhaseRelationships ........................... 3-24
Figure3-22: X-Y Frequency Relationships
....................... 3-24
Figure3-23: External Z-Axis Connection
........................ 3-25
Figure3-24: RepetitiveSine Wave
.............................. 3-26
Figure3-25: Low-FrequencySignalinthe STORE Mode
.......... 3-27
Figure3-26: Channel 1SignalTriggeredwith Channel2
..........
3-28
Figure3-27: Multi-burstSignalTriggered in
N Line .............. 3-30
Figure3-28: Multi-burstSignalTriggered in
TV Field .............. 3-31
Figure3-29: Measuringwith the CRT Graticule
...................
3-33
Figure3-30: Cursor Measurements
.............................
3-34
Figure3-31
: Peak-to-PeakMeasurement ........................ 3-35
Figure3-32: DC Component of AC signal
.......................
3-36
Figure3-33: Ground-ReferencedVoltage Measurement
...........
3-36
Figure3-34: Measuring DC Levelswith Cursors
..................
3-37
Figure3-35: PeriodMeasurement
..............................
3-38
Figure3-36: DelayTime Readout Difference
.....................
3-39
Figure3-37: Cursor FrequencyMeasurement
....................
3-40
Figure3-38: Measuring RiseTime
.............................. 3-41
Figure3-39: Measuring Fall Time
.............................. 3-41
Figure3-40: Measuring Phase Difference
....................... 3-43
Figure3-41
: PhaseDifference in XI 0 Magnification ............... 3-43
Figure3-42: SAVE REF Memory Buttons
........................ 3-46
Figure3-43: FormatReferenceMenu
........................... 3-47
Figure3-44: NVmem ReferenceMenu
.......................... 3-48
Figure3-45: RS-232Interface(Option 12)
.......................
3-51
Figure3-46: GPIB Interface(Option 10)
.........................
3-52
Figure3-47: Auxiliary Connection
.............................. 3-52
Figure3-48: Plot Menu
....................................... 3-53
Figure
A-1 : Maximuminputvoltageversus frequencyderatingcurve
for the CH 1OR X, CH 2 OR
Y, and EXT INPUTconnectors. .... A-21
FigureA-2: Physicaldimensions of the 2232 DigitalStorage
Oscilloscope
............................................. A-24
viii Contents

List of Tables
Table 1-1 : BasicAnalog Display Setup ......................... 1-4
Table A-1
: InternationalPower Cords ........................... A-1
Table A-2: StandardAccessories ............................... A-2
Table A-3: OptionalAccessories
............................... A-3
Table A-4: ElectricalCharacteristics
............................ A-8
Table A-5: EnvironmentalCharacteristics
....................... A-22
............................. Table A-6: PhysicalCharacteristics A-23
........................... Table A-7: Test EquipmentRequired A-26
Table A-8: DeflectionAccuracy Limits
...........................
A-30
Table A-9: StorageDeflectionAccuracy
.........................
A-31
...................... Table A-1 0: Settingsfor BandwidthChecks A-33
Table A-11
: Settingsfor TimingAccuracy Checks ................
A-39
Table A-12: Settingsfor DelayTime DifferentialChecks
........... A-43
Table A-13: Switch Combinationsfor ATriggering Checks
......... A-46
Table A-14: StorageModes
................................... A-55
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2232 User Manual ix

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Contents
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Product Description
Your Tektronix 2232 DigitalStorage Oscilloscopeis a superbtool for displaying,
measuringandsaving waveforms. Its performanceaddressesthe needs of both
benchtop lab and portableapplications:
H
Combinationanalog anddigital oscilloscope
H
100MHz maximumanalog bandwidth
100Megasamples/secdigitalsampling rate
H
Multiplestorage acquisitionmodes including glitch capture as narrow
as 10ns
Cursormeasurementanddigital readouts
H Delayedtime base
H Waveform storage and retrieval
H X-Y Plotteroutput
Optional RS-232or GPlBcommunicationinterfaces
2232 User Manual
xi

Before You Begin

Safety
r
Pleasetake a momentto reviewthese safety precautions.They are provided
r
for your protectionand to preventdamagetothe oscilloscope. This safety
informationappliesto all operators.
r
r
e
I Symbols
and Terms
These twoterms appear in manuals:
statements identifyconditionsor practicesthat could result in
damagetothe equipmentor other property.
1
1-1 statements identify conditions or practicesthat could result in
personal injuryor loss of life.
Thesetwo terms appear on equipment:
CAUTION indicatesa personalinjury hazard not immediatelyaccessible
as one readsthe marking,or a hazardto property including the equip-
ment itself.
1
DANGER indicatesa personalinjury hazard immediatelyaccessibleas
one readsthe marking.
This symbolappears in manuals:
Static-Sensitive Devices
These symbolsappearon equipment:
DANGER Protective ATTENTION
HighVoltage ground (earth) Refer to
terminal manual
E
2232 User Manual

Safety
Specific Precautions
Observeallthefollowing precautionsto ensureyour personalsafety andto
preventdamageto either the 2232 or equipmentconnectedto it.
Power Source
The 2232 is intendedto operatefrom a power sourcethat will notapply more
than 250
V,,, betweenthe supply conductors or between either supply
conductor and ground.
A protectiveground connection,through the ground-
ing conductor inthe power cord, is essentialfor safe system operation.
Groundingthe Oscilloscope
The 2232 oscilloscope is grounded through the power cord. To avoidelectric
shock or possible damageto instrument, plugthe power cord into a properly
wired receptaclewhere earth ground has beenverified bya qualifiedservice
person. Dothis beforemakingconnectionstothe input or output terminals of
the oscilloscope.
Without the protectiveground connection, all partsof the 2232 are potential
shock hazards.This includes knobs and controlsthat may appear to be
insulators.
Use the Proper Power Cord
Useonlythe power cordspecifiedfor your product. Useonly a power cord
that is ingoodcondition.
Use the Proper Fuse
To avoidfire hazard,use only thefuse specified inthe parts listfor your
product, andwhich is identicalintype, voltage rating,and current rating.
Do Not Remove Covers or Panels
To avoidpersonalinjury, do not operatethe 2232 withoutthe panelsor
covers.
Do Not Operate in ExplosiveAtmospheres
The 2232 providesnoexplosion protectionfrom static dischargesor arcing
components. Do notoperatethe 2232 inan atmosphereof explosive gasses.
ElectricOverload
Never apply a voltageto a connection on the 2232 that is outsidethe range
specifiedfor that connection. Do not attemptto operatethe oscilloscope
without a proper groundconnection.
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