Tektronix 2445B Manuel utilisateur

Tektronix

'*■*

x^^#^;r^>:^:?r

/v^rT;

2445B/2455B/2465B

OscilloscopeandOptions

OperatorManual

070-6860-00

r«

.-Tpta-S^if *

"i-

j*.'<}<*'

Tektronix

2445B/2455B/2465B

OscilloscopeandOptions

OperatorManual

070-6860-00

Pleasecheckforchangeinformationattherear

this

manual.

FirstPrinting:May1988

RevisedPrinting:October1990

InstrumentSerialNumbers

EachinstrumentmanufacturedbyTektronixhasa serialnumberona panel

insertortag,orstampedonthechassis.Thefirstletterintheserialnumber

designatesthecountryofmanufacture.Thelastfivedigitsoftheserialnumber

areassignedsequentiallyandareuniquetoeachinstrument.Those

manufacturedintheUnitedStateshavesixuniquedigits.Thecountryof

manufactureisidentifiedasfollows:

B010000Tektronix,Inc.,Beaverton,Oregon,USA

E200000TektronixUnitedKingdom,Ltd.,London

J300000Sony/Tektronix,Japan

H700000TektronixHolland,NV,Heerenveen,TheNetherlands

InstrumentsmanufacturedforTektronixbyexternalvendorsoutsidetheUnited

Statesareassigneda twodigitalphacodetoidentifythecountryofmanufacture

(e.g.,

JPforJapan,HKforHongKong,ILforIsrael,etc.).

Tektronix,Inc.,P.O.Box500,Beaverton,OR97077

Printedin

U.S.A.

■!■

Tektronix,Inc.,1988

WARRANTY

Tektronixwarrantsthatthisproductwillbefreefromdefectsinmaterialsand

workmanshipforaperiodof

three

(3)yearsfromthedateofshipment.Ifanysuch

productprovesdefectiveduringthiswarranty

period,

Tektronix,atits

option,

either

willrepairthedefectiveproductwithoutchargeforpartsand

labor,

wiii

providea

replacementinexchangeforthedefectiveproduct.

Inorder

obtainserviceunderthiswarranty,CustomermustnotifyTektronixofthe

defectbeforetheexpirationofthewarrantyperiodandmakesuitable

arrangementsfortheperformanceofservice.Customershallberesponsiblefor

packagingandshippingthedefectiveproducttotheservicecenterdesignatedby

Tektronix,withshippingchargesprepaid.Tektronixshallpayforthereturnofthe

producttoCustomerif

the

shipment

toalocationwithinthecountryinwhichthe

Tektronixservicecenterislocated.Customershallberesponsibleforpayingall

shippingcharges,duties,taxes,andanyotherchargesforproductsreturnedto

anyotherlocations.

Thiswarrantyshallnotapplytoanydefect,failureordamagecausedbyimproper

useorimproperorinadequatemaintenanceandcare.Tektronixshallnotbe

obligatedtofurnishserviceunderthiswarranty

torepairdamageresultingfrom

attemptsbypersonnelotherthanTektronixrepresentativestoinstall,repairor

servicetheproduct;b)torepairdamageresultingfromimproperuseorconnection

toincompatibleequipment;orc)toservicea productthathasbeenmodifiedor

integratedwithotherproductswhentheeffectofsuchmodificationorintegration

increasesthetimeordifficultyofservicingtheproduct.

THISWARRANTYISGIVENBYTEKTRONIXWITHRESPECTTOTHIS

PRODUCTINLIEUOFANYOTHERWARRANTIES,EXPRESSEDOR

IMPLIED.TEKTRONIXANDITSVENDORSDISCLAIMANYIMPLIED

WARRANTIESOFMERCHANTABILITYORFITNESSFORA PARTICULAR

PURPOSE.TEKTRONIX'RESPONSIBILITYTOREPAIRORREPLACE

DEFECTIVEPRODUCTSISTHESOLEANDEXCLUSIVEREMEDYPROVIDED

TOTHECUSTOMERFORBREACHOFTHISWARRANTYTEKTRONIXAND

ITSVENDORSWILLNOTBELIABLEFORANYINDIRECT,SPECIAL,

INCIDENTAL,ORCONSEQUENTIALDAMAGESIRRESPECTIVEOF

WHETHERTEKTRONIXORTHEVENDORHASADVANCENOTICEOFTHE

POSSIBILITY

SUCHDAMAGES.

CertificateoftheManufacturer^lmporter

Weherebycertifythatthe.

2465B/2455B/2445BOSCILLOSCOPEANDALLINSTALLEDOPTIONS

complieswiththeRFInterferenceSuppressionrequirementsof

Amtsbl.-Vfg1046/1984.

TheGermanPostalServicewasnotifiedthattheequipmentisbeing

marketed.

TheGermanPostalServicehastherighttore-testtheseriesandto

verifythatitcomplies.

TEKTRONIX

BescheinigungdesHerstellers/lmporteurs

Hiermitwirdbescheinigt,da#der/die/das

2465B/2455B/2445BOSCILLOSCOPEANDALLINSTALLEDOPTIONS

inUbereinstimmungmitdenBestimmungenderAmtsblatt-Verfugung

1046/1984funkentstoYtist.

DerDeutschenBundespostwurdedasInverkehrbringendiesesGerates

angezeigtunddieBerechtigungzurUberprufungderSerieaufEinhalten

derBestimmungeneingeraumt.

TEKTRONIX

NOTICEtotheuser/operator:

TheGermanPostalServicerequiresthatSystemsassembledbythe

operator/userofthisinstrumentmustalsocomplywithPostal

Regulation,Vfg.1046/1984,Par.2,Sect.1.

HINWEISfurdenBenutzer/Betreiber:

DievomBetreiberzusammengestellteAnlage,innerhalbdererdies

Gerateingesetzt

wird,

mu/3

ebenfallsdenVoraussetzungennachPar.2,

Ziff.

derVfg.1046/1984genugen.

NOTICEtotheuser/operator:

TheGermanPostalServicerequiresthatthisequipment,whenusedina

testsetup,mayonlybeoperatediftherequirementsofPostal

Regulation,Vfg.1046/1984,Par.2,Sect.1.7.1arecomplied

with.

HINWEISfurdenBenutzer/Betreiber:

DiesGeratdarfinMeflaufbautennurbetriebenwerden,wenndie

VoraussetzungendesPar.2,

Ziff.

1.7.1derVfg.1046/1984eingehalten

werden.

The

2465B, 2455B,

and 2445B

TheTEKTRONIX2465B,2455B,and2445Bportableoscilloscopeshavefourvertical

channelswithDCto400MHz,250MHz,and150MHzbandwidths.Deflectionfactors

runfrom2 mVto5 V perdivision,ina 1-2-5sequence,witheither1 MHor50Cl input

resistance,inchannels1 and2.EitherACorDCinputcouplingisavailableat

MfL

Channels3 and4 give0.1V or0.5V perdivision,with1 MHinputresistance,andDC

coupling.

Withthestandard10Xprobes,channels1 and2 display20mVto50

V/divisionandchannels3 and4 display

V or5 V/division.

Thetriggersystemworksautomaticallyformostsignals.Theyoperateinvarious

modes,fromanychannel,withoptimumcouplingsfora widerangeofsignals.The

2445BtriggersfromDCto250MHz.The2455Band2465BtriggerfromDCto

500 MHz.

Sweepspeedsrangefrom1.5s to1 nsperdivisiononthe2445Band2455Bandto

500psperdivisiononthe2465B,includingtheeffectsoftheX10magnifierandthe

calibratedvariablebetween1-2-5steps.HorizontaldisplaysincludeA-Sweep,

B-Sweep(delayed),A alternatedwithB,andCH1 (forX/Ydisplays).

TheSETUPfeatures.AUTO,SAVE,andRECALL,savetimeandpreventerrors.

whetheryouarea noviceoperatorora master.AUTOSetupworkswithalmostany

signal.

Forrepeatingmeasurements,theSaveandRecallfunctionsrecordandrestore

asmanyas30instrumentsetups,includingtheextended-functionoptions.Setupscan

berecalledeitherimmediatelyorsequentially.

Digitalreadoutsoftime,voltage,scalefactors,triggerlevels,andauxiliaryinformation

alsosavetimeandreduceerrors.

WithParametricMeasurements,commonmeasurementssuchasfrequency,period,

amplitude,pulsewidth,dutyfactor,risetime,falltime,andpropagationdelaycanbe

madeautomatically.EachmeasurementactivationdisplaystheresultsintheCRT

readout.Measurementresultsremainon-screenuntilanyotherbuttonispressed.

ForinstrumentswithserialnumbersB049999andbelowwithfirmwareVersion

11andaboveorforinstrumentsserialnumbersB050000andabovewithfirmware

Version2 andabovethefollowingfunctionisavailable.TheRECALLbuttonresets

theinstrumentintothemodeofoperationitwasinpriortoperformingtheparametric

measurementorAUTOSetup.

WiththeavailableCounter/Timer/Trigger(CTT),Option06orOption09,

measurementsrequireevenlesseffortandgivebetteraccuracy.TheCTT increases

triggerselectivity,especiallyindigitalsystems.Option09includestheCTTanda 17-bit

WordRecognizer

{WR).

TheavailableTelevisionA/ideo(TV)enhancement,Option05,can

triggeratanydesiredpointina frameanditcanreducetheeffectsofaccouplingand

humina videosignal.TheavailableDigitalMultimeter(DMM)measuresdcvoltage,dc

current,acrmscurrent,resistance,andtemperaturewithfloatinginputs.

2465B/2455B/2445BOperators

The 2465B, 2455B, and 2445B

The

addsa WordRecognizerProbeconnectorontherearpanel.The

enhancementaddsLINES,FLD1,andFLD2TriggerCoupling.

TheavailableGPIBinterfaceaccessesallcontrolsanddigitalreadings.Theinterface

addsGPIBstatusindicators,justabovetheCRT.Seethe24X5B/2467B GPIB (Option 10)

Instrument Interfacing Guide forinformationonintegratingtheinstrumentinto a GPIB

system.

The2465BCTincludesC7TandWR (Option9)andGPIB(Option10).The

2465BDMaddsDMM (Option01)andalsoincludesCTT andWR(Option9)andGPIB

(Option10).The2465BDVaddsTV(Option05)tothefeaturesofthe2465BDM.

Illustrationsatthebackofthemanualshowtheinstrumentfrontandrearpanels.

2465B/2455B/2445BOperators

Page

Prefacei

Illustrationsvi

Tablesvii

OperatorsSafetySummaryviii

"jGenera! Information

PreparationforUse1-1

Safety1-1

LineVoltageSelection1-1

LineFuse1-1

PowerCord1-3

InstrumentCooling1-4

Start-up1-4

RepackagingForShipment1-5

2Operation

Fundamentals2-1

ParametricMeasurements2-1

Gettinga Display2-2

AssigningParametricMeasurementstoAutoSetup2-3

Vertical2-4

Horizontal2-6

TriggerControls2-6

VideoTriggering2-9

Readout2-10

MeasurementswithCursors2-13

VoltageMeasurements2-15

DisplayOperation2-15

SignalConnections2-16

MagnifyWaveformDetailswithDelayed-Sweep2-17

B-Trigger

Operation2-18

Delta-Delay-Time2-19

Single-Delay-TimeMeasurements2-20

TimeIntervalMeasurement2-21

PrecisionTiming2-22

TriggeredDelta-Delay-TimeMeasurements2-23

TimeIntervalResolution2-25

MeasurementUpdating2-25

Frequency,Period,andTotalizeCounting2-27

FrequencyMeasurementwithExternalReference(Option1E)2-28

DelaySweepsbyEventCounts2-28

LogicTriggering2-32

WordRecognizerOperation2-34

TheWordOutSignal2-35

FrequencyLimitforAutoLevelorParametricMeasurements2-35

DMM\ 2-35

SaveandRecallOperation2-36

2465B/2455B/2445BOperatorsiii

Contents

3Applications

Peak-to-PeakVoltage3-1

AbsoluteVoltagesUsingCursors3-1

NoiseImmunity3-2

DCVoltageMeasurement3-3

AmplitudeModulation3-3

FrequencyModulation3-4

MeasuringVideoSignalsinIREUnits3-5

AvoidingFalseDisplayswithMulti-ModeSignals3-5

AlgebraicAdditiontoDetectCoincidenceorCancelInterference3-5

ObservingCoincidenceofDigitalSignals3-6

MeasuringOff-GroundSignalsAndCancellingInterference3-6

PeriodandFrequency3-8

RiseTimeandFallTime3-9

PropagationDelay3-11

SetupandHoldTimes3-12

SlewRate3-13

TimeRatio(DutyFactor)3-13

PhaseDifferenceBetweenTwoSignals3-15

MeasuringMillivoltSignals3-17

4Checks and Adjustments

Introduction4-1

InitialSetup4-1

TraceRotationandAdjustment4-2

AstigmatismAdjustment4-2

AutoDCBalanceRoutine4-3

ProbeCompensation4-4

MatchingChannel2 Delay4-5

AmplitudeCheck4-6

TimingCheck4-7

QControls, Connectors, and Indicators

Introduction5-1

PowerAndDisplay5-1

SetupandVertical5-4

Horizontal5-12

DelayandDeltaControls5-15

RearPanel5-27

DMM5-29

DMMDisplays5-33

Display-ModeInteractions5-33

iv2465B/2455B/2445BOperators

Autres manuels pour 2445B

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Tektronix Équipement de test

Tektronix

Tektronix M 581 Series Manuel utilisateur

Tektronix

Tektronix 465 Manuel utilisateur

Tektronix

Tektronix TBS2000B Series Manuel

Tektronix

Tektronix AWG-HD Manuel d'utilisation et d'entretien

Tektronix

Tektronix 432 Manuel de service

Tektronix

Tektronix packetBERT 200 Manuel utilisateur

Tektronix

Tektronix TBS1000 Series Guide de configuration

Tektronix

Tektronix TDS 520B Manuel utilisateur

Tektronix

Tektronix DPScope II Manuel utilisateur

Tektronix

Tektronix AMM768 Manuel utilisateur

Tektronix

Tektronix 2252 Manuel utilisateur

Tektronix

Tektronix MSO 4 Series Guide de l'utilisateur

Tektronix

Tektronix TBS1000B Series Manuel utilisateur

Tektronix

Tektronix TDS1000 Series Manuel utilisateur

Tektronix

Tektronix P7630 Manuel

Tektronix

Tektronix 222 Manuel utilisateur

Tektronix

Tektronix 466 Manuel utilisateur

Tektronix

Tektronix TDS 500B Manuel d'utilisation et d'entretien

Tektronix

Tektronix SC 502 Manuel utilisateur

Tektronix

Tektronix 11801C Manuel utilisateur

Tektronix

Tektronix DPO2000 Series Manuel utilisateur

Tektronix

Tektronix MSO5000 Series Manuel utilisateur

Tektronix

Tektronix TBS2000B Series Manuel utilisateur

Tektronix

Tektronix 7612D Manuel utilisateur

Manuels Équipement de test populaires d'autres marques

SMART

SMART KANAAD SBT XTREME 3G Series Manuel utilisateur

Agilent Technologies

Agilent Technologies BERT Serial Manuel utilisateur

Agilent Technologies

Agilent Technologies N3280A Manuel utilisateur

Vernier

Vernier Go Direct Voltage Manuel utilisateur

Lifeloc

Lifeloc R.A.D.A.R. Manuel utilisateur

Fluke

Fluke T5-600 Instructions d'utilisation et d'installation

Mercury

Mercury TSL01 Manuel utilisateur

MAHA

MAHA MBT Series Manuel utilisateur

Fuji Electric

Fuji Electric P-61 Manuel utilisateur

ETC

ETC SealerAtor Manuel utilisateur

Skyfine

Skyfine ETHYWAY V2 Manuel utilisateur

Appion

Appion G5 Twin Manuel utilisateur

PCB Piezotronics

PCB Piezotronics 8159-0112A Manuel utilisateur

BW Technologies

BW Technologies MicroDock II Manuel utilisateur

Sun Nuclear

Sun Nuclear 1027 Manuel utilisateur

Biomark

Biomark HPR LITE READER Manuel utilisateur

Hioki

Hioki 3169-20 Manuel utilisateur

Ashcroft

Ashcroft ATE-100 Manuel utilisateur