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ServiceManual
2715
SpectrumAnalyzer
Volume 1
070-9096-06
Thisdocumentsupportsfirmwareversion
12.01.95 and above.
Warning
The servicing instructions are for use by qualified
personnelonly.To avoid personalinjury,do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
www.tektronix.com
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Copyright© Tektronix, Inc. All rightsreserved. Tektronixproductsare coveredbyU.S. andforeignpatents, issuedandpending. Informationinthispublicationsupercedes that inall previouslypublishedmaterial. Specificationsandprice change privilegesreserved. Tektronix, Inc., P.O. Box500, Beaverton, OR97077 TEKTRONIXandTEKare registeredtrademarksofTektronix, Inc.
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WARRANTY Tektronixwarrantsthat thisproduct will be free from defectsinmaterialsandworkmanshipfora periodofone (1)year from the date ofshipment. Ifanysuchproduct provesdefective duringthiswarrantyperiod, Tektronix, at itsoption, either will repairthe defective product without charge forpartsandlabor, orwill provide a replacement inexchange forthe defective product. Inordertoobtainservice underthiswarranty, Customermust notifyTektronixofthe defect before the expirationofthe warrantyperiodandmake s
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TableofContents GeneralSafetySummary ................................... ix ServiceSafetySummary .................................... xi Preface................................................... xv Specifications Electrical Characteristics .......................................... 1-1 OperatingInformation Instrument Description ............................................ 2-1 Conformance toIndustryStandards.................................. 2-2 Product Service..................................
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TableofContents 1st LOInterface, 1st LO, and1st LOBufferAmplifier .................. 3-14 Reference Oscillator.............................................. 3-16 Phase LockAssembly(CenterFrequencyControl System) ............... 3-21 Variable ResolutionModule........................................ 3-33 RFOptions ..................................................... 3-35 LogAmplifier................................................... 3-38 DisplayStorage............................................
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TableofContents ListofFigures Figure1-1:TypicalAccuracyLimitsforCarrier-to-Noise Measurement .......................................... 1-7 Figure1-2:TypicalAccuracyLimitsforCTB Measurement ...... 1-7 Figure1-3:TypicalAccuracyLimitsforNongated CSO Measurement .......................................... 1-8 Figure1-4:TypicalAccuracyLimitsforGated CSO Measurement .......................................... 1-8 Figure1-5:TypicalACL MeasurementLimitsfor2dB Accuracy.. 1-9 Figure1-6:TypicalD/UMeasuremen
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TableofContents Figure3-17:TimingDiagramforaTypicalWritetotheControl Register............................................... 3-50 Figure3-18:TimingDiagramofaTypicalSweep fortheHorizontal TrackingA/DConverter................................. 3-51 Figure3-19:SequenceofEventsWhenWritingDatatothe WaveformMemory ..................................... 3-54 Figure3-20:HowaVerticalScan isPerformed ................. 3-56 Figure3-21:TheDisplayofaSingleVectorofaWaveform ....... 3-57 Figure3-22:ASingleColumn
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TableofContents Figure5-11:PresettingtheFlatnessAdjustmentson the LogBoard ............................................ 5-35 Figure5-12:Gain Step ReferenceTestSetup ................... 5-36 Figure5-13:InternalRefAmpltd TestSetup ................... 5-38 Figure5-14:SW410on theReferenceOscillatorBoard .......... 5-39 Figure5-15:Adjustmentand TestPointLocationson the Sweep Board .......................................... 5-41 Figure5-16:TypicalFMAdjustmentWaveform ................ 5-42 Figure5-17:H
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TableofContents Figure6-8:ConnectorLocationson theRFDeck ............... 6-24 Figure6-9:RFDeck Screwsand Nuts......................... 6-25 Figure6-10:Fan and Fan MountingSpringsDetail ............. 6-29 Figure6-11:PowerSupplyAssemblyRemoval(BottomView) .... 6-31 Figure6-12:RemovingPowerSupplyAttachingNuts ........... 6-32 Figure6-13:Location ofR602on thePhaseLock CFCBoard..... 6-34 Figure7-1:Option 15Installation ............................ 7-3 Figure10-1:Cabinet ..............................
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TableofContents ListofTables Table1-1:CATVCharacteristics ............................ 1-2 Table1-2:Frequency-RelatedCharacteristics .................. 1-11 Table1-3:Frequency/AmplitudeRelatedCharacteristics ........ 1-13 Table1-4:Amplitude-Related Characteristics .................. 1-14 Table1-5:Input/OutputSignalCharacteristics ................ 1-17 Table1-6:PowerRequirements ............................. 1-19 Table1-7:SupplementaryCharacteristicsDuetoOptions ....... 1-19 Table1-8:GeneralChara
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TableofContents Table3-18:PowerSupplyandSerialBusConnector(J10) SignalNamesand Definitions ............................ 3-68 Table3-19:MicroprocessorInterfaceConnector(J550) SignalNamesand Definitions ............................ 3-69 Table3-20:MicroprocessorCounterSection Connector SignalNamesand Definitions ............................ 3-70 Table3-21:ConnectorsandSignalNamesfortheFrequency CounterSection ....................................... 3-70 Table3-22:Pinoutforthe24-Pin DINConnector(J10
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GeneralSafetySummary Review thefollowing safety precautions to avoid injury and prevent damageto this productoranyproducts connectedtoit. Toavoidpotentialhazards, usethis productonlyas specified. Onlyqualified personnel should perform serviceprocedures. Whileusingthis product, youmayneedto access otherparts ofthesystem. Read theGeneral SafetySummaryinothersystemmanuals forwarnings andcautions relatedtooperatingthesystem. ToAvoidFireor UseProperPowerCord.Useonlythepowercordspecifiedforthis produc
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General Safety Summary KeepProductSurfacesCleanandDry. ProvideProperVentilation.Refertothemanual’s installationinstructions for details oninstallingtheproductsoithas properventilation. SymbolsandTerms TermsinthisManual.Theseterms mayappearinthis manual: WARNING.Warning statements identifyconditions or practices that could result in injuryor loss of life. CAUTION.Caution statements identifyconditions or practices that could result in damageto this product or other property. TermsontheProduct.Thes
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ServiceSafetySummary Onlyqualifiedpersonnelshouldperformserviceprocedures. ReadthisService SafetySummaryand theGeneral SafetySummarybeforeperforming any service procedures. DoNotServiceAlone.Donotperforminternalserviceoradjustmentsofthis productunlessanotherpersoncapableofrenderingfirstaidandresuscitationis present. DisconnectPower.Toavoidelectricshock, switchofftheinstrumentpower, then disconnectthepowercordfromthemainspower. UseCautionWhenServicingtheCRT.Toavoidelectricshockorinjury, use extre
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ServiceSafetySummary xii 2715SpectrumAnalyzerServiceManual
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Preface Thismanualcontainsserviceinformationforthe2715SpectrumAnalyzer. The serviceinformationislocatedintwovolumes. Volume1containsthemainte- nanceproceduresandpartslists. Volume2containsthecomponentlocatorsand schematicdiagrams. Thismanualisdividedintothefollowingsections. Section 1:Specifications, containscharacteristictablesdetailing Electrical Characteristics, Mechanical Characteristics, and Environmental Character- istics. Section 2:Operating Information, containsinformationonhowtoinst
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Preface ContactingTektronix Phone 1-800-833-9200* Address Tektronix, Inc. Department orname (ifknown) 14200SW Karl BraunDrive P.O. Box500 Beaverton, OR97077 USA Web site www.tektronix.com Sales support 1-800-833-9200, select option1* Service support 1-800-833-9200, select option2* Technical support Email: techsupport@tektronix.com 1-800-833-9200, select option3* 6:00a.m. -- 5:00p.m. Pacific time * This phone numberis toll free in North America. Afteroffice hours, please leave a voice mail messag
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Specifications Thissectionliststheelectrical, physical, andenvironmentalcharacteristicsofthe spectrum analyzer, specifies theperformancerequirements forthosecharacteris- tics, andprovidessupplementaryinformation. ElectricalCharacteristics Unlessotherwisestated, thefollowingtablesofelectricalcharacteristicsand featuresapplytothespectrumanalyzeraftera15minutewarm-upperiod(within theenvironmentallimits)andafterallnormalizationprocedureshavebeen carried out. InformationinthePerformanceRequirementcol
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Specifications Table1-1:CATVCharacteristics Characteristic Description Input Configuration All except Option 50 75Ω Female F connector Option 50 50Ω Type N connector Channel Selection The visual and aural carriers are displayed when the channel numberis entered, or either[ ]or[ ]next to [CHAN/FREQ] is pressed 1 Tune Configuration STD (73.603), HRC (73.605), IRC (73.612), and Custom 1 Channel Range 0to999 2 Frequency Range 1MHzto1.8GHz , Preamp limited to 600 MHz (except Opt 50 and Opt 75) 2 Fr
