HP-130B-Manual-SNprefix-201 电路图.pdf

HP Archive This vintage Hewlett Packard document was preserved and distributed by Pleasevisituson the web! Scanned by on-line curator: Tony Gerbic * For FREE Distribution Only * RadioFans.CN 收音机爱 好者资料库 m o Il HEWLETT-PACKARDCOMPANY 130B OSCILLOSCOPE w o m RadioFans.CN 收音机爱 好者资料库 000133 OPERATINGANDSERVICEMANUAL MODEL130S/SR SERIALSPREFIXED:201 OSCILLOSCOPE CopyrightHEWLETT-PACKARD COMPANY1959 1501 PAGE Mll.L ROAD, PALO ALTO, CALIFORNIA,U.S.A. Prioted:JAN1962 RadioFans.CN 收音机爱 好者资料库 Model130B TABLEOFCONTENTS TableofContents ListofIllustrations PageSection IIITHEORY OF OPERATION(contd) 3-7.HighVoltagePowerSupply. 3-8.Calibrator. Section IGE ERAL DESCRIPTION 1-1.General. . . . . . 1-2.DamageinTransit. 1-3.PowerLineVoltages 1-4.PowerCord. 1-5.InstallationofRackMount. 1-6.CathodeRayTubeWarranty. IIOPERATING INSTRUCTIO S . 2-1.ControlsandTerminals. 2-2.Rear-AccessTerminals. 2-3.Warm-UpDrift. 2-4.ACorDCCoupling. 2-5.BalancedInputs. . . . 2-6.OperatingProcedures. IIITHEORY OFOPERATION. 3-1.GeneralContent. 3-2.Over-AllOperation. 3-3.VerticalAmplificationChannel. 3-4.HorizontalAmplification Channel. 3-5.SweepGenerator. 3-6.LowVoltagePowerSupply Page 1-1 1-1 1-1 1-1 1-1 1-1 1-2 2-1 2-1 2-1 2-1 2-2 2-2 2-2 3-1 3-1 3-1 3-1 3-2 3-2 3-3 IVMAINTENANCE. 4-1.Introduction. 4-2.SimpleCheckProcedure. 4-3.RemovingtheCabinet. 4-4.IsolatingTroublestoMajor Sections. 4-5.Connectingfor230 VoltOperation. 4-6.TubeReplacement. 4-7.CondensedTestandAdjustment Procedures. . . . . . 4-8.AdjustmentProcedure. 4-9.TurnOn. 4-10.PowerSupplies. 4-11.ReplacingandAdjustingtheCRT. 4-12.CheckingandAdjustingthe Calibrator. . . . . . . . . 4-13.AdjustingtheVerticalAmplifier. 4-14.AdjustingtheHorizontalAmplifier 4-15.PhaseShiftAdjust. 4-16.AdjustingPreset. 4-16.AdjustingtheSawtoothGenerator and SweepAmplifier. 3-4 3-4 4-1 4-1 4-1 4-3 4-3 4-3 4-4 4-5 4-9 4-9 4-9 4-11 4-13 4-13 4-15 4-15 4-17 4-17 LISTOFILLUSTRATIONS umber 1-1.Model130B/BROscilloscope 1-2.CathodeRayTubeWarranty. 1-3.Modell30BRInstallation. 2-1.OperatingControlsandTerminals. 2-2.VerticalBalanceAdjustment. 2-3.HorizontalBalanceAdjustment 2-4.InternalSweep, InternalSynchronization. 2-5.InternalSweep, ExternalSynchronization 2-6.ExternalHorizontalInput 2-7.AC CouplingBalancedInput 2-8.ConnectiontoCRTDeflectionPlates 2-9.ExternalIntensityModulation . 2-10.AligningScopeTracewithGraticule 3-1.Model130B BlockDiagram. 4-1.LocationDiagramforMajorCircuits 4-2.LineVoltageConnection 4-3.PowerSupplyLocationDiagram. 4-4.ServicingEtchedCircuitBoards. Page 1-0 1-2 1-3 2-0 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 3-0 4-2 4-4 4-8 Number 4-5.VerticalAmplifierAdjustment Locations. . 4-6.HorizontalAmplifierAdjustment Locations. 4-7.SweepGeneratorAdjustmentLocations. 4-8.VerticalAmplifier, VoltageResistanceDiagram. 4-9.VerticalAmplifier,Schematic. 4-10.HorizontalAmplifier, VoltageResistanceDiagram. 4-11.HorizontalAmplifier,Schematic. 4-12.SweepGenerator, VoltageResistanceDiagram. 4-13.SweepGenerator,Schematic. 4-14.SweepTime/eMSwitch. . 4-15.PowerSupplyRegulator, VoltageResistanceDiagram. 4-16.PowerSupply,Schematic. 4-17.FilamentandPrimaryDetail, SchematicDiagram. 4-18.SweepTime/CMSwitch, AssemblyDiagram. Page 4-12 4-14 4-16 4-20 4-21 4-22 4-23 4-24 4-25 4-26 4-27 4-28 4-29 4-30 LISTOFTABLES 4-1.CondensedTestandAdjustment Procedures. 4-2.TubeReplacementChart 00013-2 4-6 4-7 4-3.RegulatedPowerSupplyTolerances 5-1.ReferenceDesignator. 5-2.TableofReplaceableParts. 4-9 5-2 5-13 iii Model130B SPECIFICATIONS SWEEP Sweep Range: 0.2/lSec/cmtoatleast12.5sec/cm.21cal- ibratedsweeps,accuratewithin5%,in a 1-2-5-10sequence,1/lSec/cmto5sec/cm. Vernierpermitscontinuousadjustmentofsweep timebetweencalibratedstepsandextends slowestsweeptimetoatleast12.5sec/cm. Magnifier: X5Magnifiermaybeusedonallrangesand expandsfastestsweepto0.2/lSec/cm.Ac curacywithin10%. Synchronization: Internallyfromlinevoltageorfromsignals causing1/2centimeterormoreverticaldeflec- tion.ExternallyfromO.5voltspeak-to-peak ormore. TriggerPoint: Continuouslyadjustablefromapproximately -30 to +30voltsoneitherpositiveornegative slopeofexternalsynchronizingsignal,orfrom any pointoftheverticalsignalpresentedonthe screen. PresetTriggering: Switch position on sweep modecontrolselects optimumsettingforautomatictriggering. INPUT AMPLIFIERS Verticalandhorizontalamplifiers havesame characteristics. Sensitivity: 1mv/cmtoatleast125v/cm.15calibrated ranges,accuratewithin5%,in a1-2-5-10 sequence,1 mv/cmto 50 v/cm.Vernierper- mitscontinuousadjustmentbetweenrangesand decreasessensitivityof 50 v/cmrangetoat least125volts/cm.Input voltagerating600 voltsdcorrms. PhaseShift: Within10relativephaseshiftatfrequencies upto50kc betweenverticalandhorizontalamp lifierswithverniersincal. Stability: 1 mv/hrafterwarmup. Bandwidth: DCCoupling: dc to 300kc.ACCoupling: 2cps to300 kc.Specified bandwidthisindependent ofsensitivitysetting. BalancedInput: On1,2,5,10,20and 50mv/cmranges.Cabinet Mount input impedance:2megohmsshunted withapproximately25 pf.Rack Mount input impedance2megohms,approximately125 pf shuntcapacity.Disconnectingthewiresatthe frontpanelwhichconnecttotherearterminals reducestheinputcapacitytoapprOXimately 25 pf. Common Signal Rejection: (Balancedinput only): Rejectionatleast40 db.Commonsignalmust notexceed1.5volts. Single Ended Input: Cabinet Mount input impedance:1megohm shunted withapproximately50 pf.Rack Mount input impedance: 1 megohm,approximately200 pf shuntcapacity.Disconnectingthewiresat thefrontpanelconnectingtotherearterminals reducestheinputcapacitytoapproximately 50 pf. InternalCalibrator: 300millivoltspeak-to-peak2%,300cycles squarewaveappliedtoverticalorhorizontal amplifiersbyCALpositionofinputattenuators. iv () 00013-2 Model130B SPECIFICATIONS(CONTD.) CathodeRay Tube: 5 AQPmono-acceleratorflatfacetypewith 3000 voltacceleratingpotential.Available withPI,P2,P7orP11screen. GENERAL ExternalGraticule(Standard): Edge lightedgraticulewithcontrolledillumina- tion,10emx 10em,markedincentimeter squ:lreswith 2mmsubdivisions,onmajorhori- zontalandverticalaxes. Weight: CabinetMount: Rack Mount: Net41Ibs,shipping54Ibs. Net47 Ibs,shipping62lbs. InternalGraticule(Optional): 10emx 10em,majorhorizontal. CRTPlates: Directconnection todeflectionplatesviater- minalsonrear.Sensitivityapproximately20 volts/em. IntensityModulation: Terminalsonrear;20voltspositivesignal blanksCRTatnormalintensity. PowerSupply: 115/230voltsWYo,50/1000cycles,160watts. FilterSupplied: Coloroffiltercompatiblewithscreenphosphor. GreenforPIandP2,AmberforP7,Bluefor P11. Rack Mount: Hasrearterminalsinparallelwithfrontpanel. connections. Dimensions: CabinetMount: Rack Mount: rmSIDE UL.- 00013-2 9-3/4in.wide,IS in.high, 21-1/4in.deep. I. 1-1.-0.-l.ii AccessoriesFurnished: Supplied with Rack Mount. 130B-12Pand Q MountingBrackets(pair). Two125-57Plugs(matewithrearterminals). Two 125-59Clampsfor125-57Plugs. AccessoriesAvailable: AC-83AViewingHood;face-fittingmolded rubber.Price$5.00. Additional MountingBrackets.130B-12P(left) and130B-12Q(right);$2.50apair. Price: Model 130B,CabinetMount:$650.00 Model 130BR, Rack Mount:$650.00 Options: 2.P-2CRT(installed) 3.InternalgraticuleCRT(installed) 7.P-7CRT(installed) 11.P-11 CRT(installed) v Sect. IPage0 Model 130B Figure1-1.Model 130B/BROscilloscope 00013-2 ( Model130B 1-1GENERAL TheHewlett-PackardModel 130BOscilloscopeisa generalpurposeoscilloscope.Itcanbeusedwith eitherinternalorexternalsweepswhichcanbe eitherinternallyorexternallysynchronizedand itcanbe obtainedineitherthecabinetorrack type mounting.Becauseofitshighsensitivityand balancedinput,theModel 130Bmayoften beused directlywithtransducers,enabling you toseea directpresentationofphenomenadesiredwithout havingtoresorttopreamplifiers. Someofthespecialfeaturesofthisoscilloscope areasfollows: A.LINEAR INTEGRATOR SWEEP GENERATOR Theaccuratedirectreadingsweepsareob- tainedfromaMiller-integratorsweepcircuitwhich insuresa highorderlinearityandstability.This typeofsweepgenerator,ismorereliableand independentoftubecharacteristicsthanothertypes ofsweepgenerator. B.X5SWEEP EXPANSION Youspeedobservationandanalysisoftran- sientsby expanding a twocentimetersegmentof thetraceto 10centimetersforeasyviewingof detail.ThisX5sweepexpander,maybeusedon allsweeptimesettingsand expands thefastest sweeptimeto .2microsecond/cm. C.CALIBRATED AMPLIFIERS Voltagemeasurementsofvariouswaveforms arequicklymadewiththe130B,accuratewithin 5%.Abuilt-incalibratorwhichisaccuratewith- in2%permitsquickverificationandstandard- izationof theamplifiergain. Phaseshiftmeasurementscanbemadeaccurately withthisoscilloscopeovera widerangeof input frequencies. 00013-2 Sect. IPage1 SECTIONI GENERALDESCRIPTION 1-2DAMAGEINTRANSIT Thisinstrumentshould be thoroughlyinspected whenitisreceived.Ifanydamageisevident, referto theClaimforDamageinShipmentpara- graphontheWarrantysheetinthismanual. 1-3POWERLINEVOLTAGES TheOscilloscopeisshippedfromthefactory wiredfor115voltsaclineoperation,unless otherwisespecified.However,theinstrument mayalsobeoperatedfroma 230 voltsacline sourceiftheproperconversionismadeto the powertransformer.Thisconversionisdescribed in the Maintenance Section (Section IV). 1-4POWERCORD Thethreeconductorpowercablesuppliedwiththe instrumentisterminatedin apolarizedthree prongmaleconnectorrecommendedbythe National ElectricalManufacturersAssociation.Thethird contactisanoffsetround pin, added to astandard two-bladeacplug, which grounds theinstrument chassiswhenusedwith theappropriatereceptacle. Anadaptershould beusedto connect the NEMA plug to astandardtwocontactoutput.When the adapterisused,theground connectionbecomesa shortleadfromtheadapterwhich should becon- nectedto asuitablegroundfortheprotectionof operatingpersonnel. 1-5INSTALLATIONOFRACKMOUNT The130BRisdesignedsothatitcanbesup- portedina 19 inchrackbythefrontpanel in the usualmanner;or,thedustcovermayberigidly mounted in therackwithbracketsasshown in Figure1-1.Inthelattercase,thechassisis supportedbythedustcoverandmaybeslippedin Sect. IPage2 orouteasily;thescrewsthroughthefrontpanel merelyholdingthechassisinplace.Torack mountthe130BRusingthebrackets: 1) Mountthebracketasshown inFigure1-3with screwsthroughtheoutsideholesofthebrackets. Thelengthofthesescrewsmaybechosentospace thefrontpanelfromthepanelrailsasdesired. Thebracketsatthereararenotnecessaryinmost installationsbutcanbeusedifaddedsupportis required.Thesebracketsareavailablefromthe Hewlett-PackardCompanyasanaccessoryitem. 2)Removethedustcoverfromthe130BRand Model130B mountitinthebracketswiththe10-32trusshead screwsprovided. 3) Slipthe130BR intothedustcoverandfastenin placewithscrewsthroughthefrontpanel. 1-6CATHODERAYTUBEWARRANTY Thecathoderaytube(crt)suppliedwiththeoscil- loscopeandreplacementcrtspurchasedfrom Hewlett-Packardcompanyareguaranteedagainst electricalfailureforoneyearfromthedateofsale byHewlett-Packard.CathodeRayTubeWarranty sheetisillustratedinfigure1-2. Asheetforyour useisincluded intheappendixofthismanual. CATHODIlAYfUllWAIIANTY tITWAIIANTYCLAIM F_: NAME: COKPANY:_ ADDRESS: DATE:_ Thecathoderaytube.upplledIn )OurHewleUPuk.ud08eUloltopeandreplacemenl. cathode raywbeeplrc:huedfrom,arecua-rant.eedaplnslelectricaltalluretoroneyeartromthe dateofulebytheHewlett-PacltudComp;lJlYBrokentube,ortubelwlULburnedphohorare notincludedinthisguarantee. YourlocalHewlett-Pacb.rdrepresentatJvemainta.ina astockofreplacementlube.a.ndwillbe Cladtoproc.)OWwarnntyclaimforyou.Pln.Mconault hJm. Whenever a tube tareturnedforawarrantyclaim,thereverae,ideofthlalheetmUltbetilled outIn full andreturnedwiththetube.Follow.hlppln,inauucUonacarefullytoiMlIsaleu rival,line.nocreditcanbeallowed onbrokentube. SHIPPING INSTRUCTIONS 1)CarefullywrapthetubeIn1/4thick cotton batlingorother.aft plddinlmaterial. 2)WraptheaboveinheavyIcraftpaper. 3)Packin arIpdcontainerwhichi.atlealt4InchesllUlerthan the tube Ineachdimension. 4)9nroundthetubewithatleutfourlnch.ofpaclfeducel.loror similarIhockat.orblncmaterial.Becertalnthatthecklrci. tightallaroundthe tube. 5)Tube.returnedfromoutsidethecontinental UnitedStatu.hould beckedinawooden bol:. S)Shtpprepa.ldpreferablybyAJR FREIGHTor.RAn.WAY EXPRESS. Wedo notrecommendparcelpo.torairpucelpo.t.hlpment. Per.,ntocontactforfurtherinformation: NAME: TITLll: COMPANY:_ ADDRESS: Toproc.yourclaimquIcklypleaaeentertheinformationindicated below: I)8INSTRUMENTMODELSERIAL_ z)roBETYPESERIAL_ S) ORIGINALroBEREPLACEMENTroBE_ 4) YOUR PURCHASE ORDER NO._ 5)DATE PURCHASED_ 8)PURCIlASBD FROM_ 7)COMPLA.QrfT:(pleuedeec.ribenatureoftrouble)_ )OPERATING CONDI11ONS:(pleuede.sc:ribecordlUonspriorto HORIZPOS TRIGGER SLOPE AfterWarm-up: 1.TurnSWEEP MODEcontroltoFREERUN. 2.SetHORIZ.SENSITIVITYswitchtoINT. SI-VEEPXl. 3.Set SWEEPTIME/CMswitchsothatacon- venientbaselineisformed.(Anysweeptime fasterthan 50 MILLISECONDS/CMissatis- factory.) <toShortverticalinputterminalstogether. 5.SetAC-DCswitchtoDC. 6.SetVERT.SENSITIVITYtoCAL.Turn VERNIERtoCAL. 7.Centerbottomportionofcalibrationsig-/ naltraceusingVERT. POS.control. 8.SetVERT. SENSITIVITYto1 MILLIVOLTS/ CM. 9.Centertracewithcoarse(screwdriver) VERT.DCBAL.controlorwith fine (knob) controlifunbalanceisslight. 10.Repeatsteps6,7,8and9ifnecessary. NOTE:Aseparateadjustment(Bal.Adj. onthe etchedboard)isprovidedtobalancethe VERNIER. Figure2-2 Sect.IIPage4 HORIZONTAL BALANCE ADJUSTMENT Model130B . DC. VRT.POS. JUMPER 4 7.Repeatsteps2,3 4,and5ifnecessary. 6.Returnthespotto themajorverticalaxis withthecoarse(screwdriver)HORIZ.DC BAL.controlorwiththefine (knob)control iftheunbalanceisslight. Afterwarm-up: 1.ShorttogetherthehorizontalINPUTter- minals. 2.Set AC-DCswitchto DC. 3. Set HORIZ. SENSITIVITY to CAL.Turn VERNIERtoCAL. 5.SetHORIZ.SENSITIVITY to VOLT/CM. 1MILLI- 4.AdjusttheHORIZ. POS.controltoplacethe leftedgeofthecalibratingsignaltraceon themajorverticalaxis. NOTE:Aseparateadjustment(Bal.Adj. onthe etchedboard)isprovidedtobalancethe VERNIER. Figure2-3 Model130B Sect.IIPage5 INTERNALSWEEP-INTERNALSYNCHRONIZATION 00 OSCILLOSCOPEINTENSITY O<L$,. HEWLETTPACKARD Al.OtM.1fOIUI1ol SCALEUGHT JUMPER FOCUS V HOUZ DC. DC.L VERTPOS HORIZPOS 8 7 1.SetHORIZ. SENSITIVITYswitchto INT. SWEEPXl(ortoXSformagnifiedsweeps) 2.SetSYNCswitchto INT. 7.SetTRIGGER SLOPEswitchfortriggering onpositiveornegativeslopeofinputsignal, asdesired. 3.SetSWEEP MODE toPRESET. 8.SetTRIGGERLEVELcontroltoO. 4. Connectverticalinputsignalintovertical inputterminals. S.SetAC-DCswitchfortypecouplingdesired. 6.AdjustVERT.SENSITIVITYfordesired sensitivity. 9.Selectdesiredsweepspeedwith SWEEP TIME/CMswitch. 10. Adjust TRIGGERLEVELtostarttraceat desiredlevel.Insomecases,itmaybe necessarytoswitchSWEEP MODEfrom PRESETtoanindividualadjustmentforthe particulartracebeing viewed. Figure2-4 Sect.IIPage6Model130B INTERNALSWEEP -EXTERNALSYNCHRONIZATION 11 DC. VERTPOS OSCILLOSCOPE OOEL$jJ,. HEWLeTTPACKARD .t.OALtou.l,.lltOltI. SCALEUGHT e POWEROFF-: HOIlZ DC. HORtZPOS t-=tI-+-+-+-9 1.SetHORIZ. SENSITIVITYswitchtoINT. SWEEPXl(ortoX5formagnifiedsweeps). 2.SetSYNCswitchtoEXT. 3.SetSWEEP MODEt