HP-130B-Manual-SNprefix-946 电路图.pdf

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1、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 OPERAT!NGANDSERVICIN

2、GMANUAL MODEL130B/BR OSCILLOSCOPE SERIALSPREFIXED:946- CopyrIghtHEWLETT-PACKARD COMPANY1959 275 PAGEMILLROAD, PALO ALTO, CALIFORNIA,U.S.A. 130B002/11-59 RadioFans.CN 收音机爱 好者资料库 SWEEP Sweep Range: Magnifier: Synchronization: TriggerPoint: PresetTriggering: INPUT AMPLIFIERS Sensitivity: PhaseShift: St

3、ability: Bandwidth: BalancedInput: CommonSignalRejection (Balancedinput only): Model 130B SPECIFICATIONS 0.2Jlsec/cmtoatleast12.5sec/cm.21calibratedsweeps,accu- ratewithin5%,in a1-2-5-10sequence,1Jlsec/cmto 5sec/cm. Vernierpermitscontinuousadjustmentofsweeptimebetween calibratedstepsandextendsslowes

4、tsweeptimetoatleast 12.5sec/cm. X5Magnifiermaybeusedonallrangesand expandsfastestsweep to0.2Jlsec/cm.Accuracywithin 10%. Internallyfromlinevoltageorfromsignalscausing1/2centi- meterormoreverticaldeflection.Externallyfrom0.5volts peak-to-peakormore. Continuouslyadjustablefrom-30to +30voltsoneitherpos

5、itiveor negativeslopeofexternalsynchronizingsignal,orfromanypoint oftheverticalsignalpresentedon thescreen. Switchpositiononsweepmodecontrolselectsoptimumsettingfor automatictriggering. Verticalandhorizontalamplifiershavesamecharacteristics. 1mv/cmtoatleast125v/cm.15calibratedranges,accurate within

6、5%, in a1-2-5-10sequence,1mv/cmto 50v/cm.Vernier permitscontinuousadjustmentbetweenrangesanddecreases sensitivityof50v/cmrangetoatleast125volts/cm.Inputvoltage rating600 volts dcorrms. Within 10relativephaseshiftatfrequenciesup to 50 kc between verticalandhorizontalamplifierswithverniersincal. 1 mv/

7、hrafterwarmup. OCCoupling:dc to 300 kc.ACCoupl!ng:2cpsto 300 kc. Specified bandwidthisindependentofsensitivitysetting. On1,2,5,10,20and 50 mv/cmranges.CabinetMount inputim- pedance:2megohmsshuntedwithapproximately25JlJlf.Rack Mount inputimpedance:2megohms,approximately125JlJlfshunt capacity.Disconne

8、ctingthewiresatthefrontpanel whichconnect to therearterminalsreducesthe inputcapacitytoapproximately 25JlJlf. Rejectionatleast40db.Commonsignalmustnotexceed1.5volts. ii Model 130B Single Ended Input: InternalCalibrator: GENERAL I1luminatedGraticule: CRTPlates: IntensityModulation: CathodeRayTube: Di

9、mensions: Weight: PowerSupply: FilterSupplied: RackMount: AccessoriesFurnished: AccessoriesAvailable: SPECIFICATIONS(CONTD.) CabinetMount inputimpedance:1megohmshuntedwithapproxi- mately50Illlt.RackMountinputimpedance:1megohm,approxi- mately200IJ.IJ.fshuntcapacity.Disconnectingthewiresatthefront pan

10、elconnectingtotherearterminalsreducestheinputcapacity toapproximately50Illlt. 300millivoltspeak-to-peak2%, 300cyclessquarewaveapplied toverticalorhorizontalamplifiersby CALpositionof input attenuators. Edgelightedgraticulewithcontrolledillumination,lOcmx10em, markedincentimetersquareswith 2mmsubdivi

11、sions,onmajor horizontalandverticalaxes.Effectivelyshieldedfromambient light. Directconnectiontodeflectionplatesviaterminalsonrear.Sensi- tivityapproximately20volts/em. Terminalsonrear;20voltspositivesignalblanksCRTatnormal intensity. 5 AQPmono-acceleratorflatfacetype with 3000voltaccelerating poten

12、tial.AvailablewithPI,P2,P7orP11screen. CabinetMount:9-3/4in. Wide,15 in. high,21-1/4in. deep. RackMount:19 in. wide,8-3/4in. high, 22 in. deep,19-3/4in. deepbehindpanel. CabinetMount:Net 41lbs.,shipping54lbs. RackMount:Net 47lbs,shipping62lbs. 115/230voltslO%,50/1000cycles,160watts. Coloroffiltercom

13、patiblewithscreenphosphor. GreenforPIandP2,AmberforP7,BlueforP11. Hasrearterminalsinparallelwithfrontpanelconnections. Supplied withRackMount.130B-12PandQMountingBrackets(pr.) Two125-57Plugs(matewithrearterminals). Two125-59Clampsfor125-57Plugs. AC-83A Viewing Hood;face-fittingmoldedrubber. Addition

14、al MountingBrackets.130B-12P(left)and130B-12Q(right) iii SECTION I CONTENTS GENERALDESCRIPTION Model130B PAGE 1 - 1 1 - 2 1 - 3 1 - 4 1 - 5 General. DamageinTransit PowerLineVoltages PowerCord. InstallationofRackMount I - 1 I - 1 I - 1 I - 1 I - 1 SECTION II SECTIONIII OPERATING INSTRUCTIONS 2 - 1Co

15、ntrolsandTerminals 2-2Rear-AccessTerminals 2-3Warm-UpDrift 2-4ACorDCCoupling. 2-5BalancedInputs 2-6OperatingProcedures THEORYOFOPERATION II - 1 II-1 1I- 1 II-2 II-2 II-2 3 - 1 3 - 2 3 - 3 3 - 4 3 - 5 3 - 6 3 - 7 3 - 8 GeneralContent. . . . . . . . . Over-AllOperation. VerticalAmplificationChannel Ho

16、rizontalAmplificationChannel SweepGenerator. . . . . . LowVoltagePowerSupply HighVoltagePowerSupply Calibrator. III- 1 III- 1 III - 1 III- 2 III - 2 III- 3 III - 4 III - 4 SECTIONIVMAINTENANCE 4 - 1 4 - 2 4 - 3 4 - 4 4 - 5 4 - 6 4 - 7 4 - 8 4 - 9 4 -10 4 - 11 4 -12 4 -13 4 -14 4 - 15 4 -16 4 - 17 In

17、troduction. . . . . . . . . . . . . . SimpleCheckProcedure. . . . . . . IsolatingTroublestoMajorSections RemovingtheCabinet. Connectingfor230VoltOperation. . TubeReplacement. . . . . . . . . . CondensedTestandAdjustmentProcedure AdjustmentProcedure. . . . . . TurnOn. PowerSupplies. . . . . . . . . .

18、 ReplacingandAdjustingtheCRT CheckingandAdjustingtheCalibrator AdjustingtheVerticalAmplifier AdjustingtheHorizontalAmplifier. PhaseShiftAdjust. AdjustingPreset. AdjustingtheSawtoothGeneratorandSweepAmplifier IV-1 IV-1 IV-3 IV-3 IV-3 IV-4 IV-5 IV-9 IV-9 IV-9 IV-11 IV- 13 IV- 13 IV- 15 IV- 15 IV-17 IV

19、-17 SECTION VTABLEOFREPLACEABLEPARTS 5 - 2TableofReplaceableParts. iv V-2 CATHODERAYTUBEWARRANTY The cathoderaytube suppliedinyourHewlett-PackardOscilloscopeandreplacementcathode raytubespurchasedfrom,areguaranteedagainstelectricalfailureforoneyearfromthe dateofsaleby theHewlett-PackardCompany. Brok

20、entubesortubes withburnedphosphorare not included inthisguarantee. YourlocalHewlett-Packardrepresentativemaintainsastockofreplacementtubesand will be gladtoprocessyourwarrantyclaimforyou.Pleaseconsulthim. Whenever a tubeisreturnedforawarrantyclaim,thereversesideofthissheetmustbefilled out in full an

21、dreturnedwiththetube. Follow shippinginstructionscarefullytoinsuresafear- rival,sincenocreditcanbe allowedonbrokentubes. SHIPPING INSTRUCTIONS 1)Carefullywrapthe tube in1/4thickcottonbattingorothersoft paddingmaterial. 2)Wrapthe above in heavykraftpaper. 3)Packinarigidcontainerwhichisatleast4inchesl

22、argerthan the tube ineachdimension. 4Surround the tube withatleastfourinchesofpackedexcelsioror similarshockabsorbingmaterial.Becertainthatthe packingis tightallaroundthe tube. 5) Tubesreturnedfromoutsidethe continentalUnitedStatesshould be packedina wooden box. 6)ShipprepaidpreferablybyAIR FREIGHTo

23、rRAILWAY EXPRESS. We do notrecommendparcelpostorairparcelpostshipment. HEWLETT-PACKARDCO. 275PAGEMILLROAD,PALOALTO.CALIF.U.S.A. CRTWARRANTYCLAIM FROM: NAME: COMPANY:_ ADDRESS: DATE:_ Persontocontactforfurtherinformation: NAME: TITLE: COMPANY:_ ADDRESS: Toprocessyourclaimquicklypleaseentertheinformat

24、ionindicatedbelow: 1)INSTRUMENTMODELSERIAL_ 2) TUBE TYPESERIAL_ 3) ORIGINAL TUBEREPLACEMENTTUBE_ 4) YOUR PURCHASE ORDER NO._ 5) DATE PURCHASED_ 6) PURCHASED FROM_ 7) COMPLAINT:(Pleasedescribenatureoftrouble)_ 8) OPERATING CONDITIONS:(Pleasedescribeconditionspriortoandattimeoffailure_ SIGNATURE Model

25、 130B 1-1GENERAL TheModel 130Bdcto300 kcOscilloscopeisa generalpurposeoscIlloscope.Itcanbeusedwith eitherinternalorexternalsweepswhichcanbe eitherinternallyorexternallysynchronizedand itcanbeobtainedineitherthecabinetorrack type mounting.Becauseofitshighsensitivityand balancedinput,theModel 130Bmayo

26、ften beused directlywithtransducers,enablingyoutoseea directpresentationofphenomenadesiredwithout havingtoresorttopreamplifiers. Someof thespecialfeaturesofthisoscilloscope areasfollows: A.LINEAR INTEGRATOR SWEEP GENERATOR Theaccuratedirectreadingsweepsareob- tainedfromafeedbacktypeintegratorwhichin

27、- suresa highorderlinearityandstability.This typeofsweepgenerator,ismorereliableand independentof tubecharacteristicsthanothertypes ofsweepgenerator. B.X5SWEEP EXPANSION Youspeedobservationandanalysisoftran- sientsbyexpanding a twocentimetersegmentof thetraceto10centimetersforeasyviewing of detail.T

28、hisX5sweepexpander,maybeusedon allsweeptimesettingsandexpandsthefastest sweeptimeto.2microsecond/cm. C.CALIBRATED AMPLIFIERS Voltagemeasurementsofvariouswaveforms arequicklymadewiththe130B,accuratewithin 5%.Abuilt-incalibratorwhichisaccurateWith- in2%permitsquickverificationandstandard- izationof th

29、eamplifiergain. Phaseshiftmeasurementscanbemadeaccurately withthisoscilloscopeovera widerangeofinput frequencies. Sect.IPage1 SECTIONI GENERALDESCRIPTION 1-2DAMAGEINTRANSIT Thisinstrumentshould be thoroughlyinspected whenitisreceived.Ifanydamageisevident, refertotheClaimforDamageinShipmentpara- grap

30、hontheWarrantysheetinthismanual. 1-3POWERLINEVOLTAGES TheOscilloscopeisshippedfromthefactory wiredfor115voltsaclineoperation,unless otherwisespecified.However,theinstrument mayalsobeoperatedfroma 230 voltsacline sourceiftheproperconversionismadetothe powertransformer.Thisconversionisdescribed intheM

31、aintenanceSection(Section IV). 1-4POWERCORD Thethreeconductorpowercablesuppliedwiththe instrumentisterminatedinapolarizedthree prongmaleconnectorrecommendedbytheNational ElectricalManufacturersAssociation.Thethird contactisanoffsetroundpin, addedtoastandard two-bladeacplug, whichgroundstheinstrument

32、 chassiswhenusedwiththeappropriatereceptacle. Anadaptershould beusedtoconnecttheNEMA plug to astandardtwocontactoutput.Whenthe adapterisused,thegroundconnectionbecomesa shortleadfromtheadapterwhichshouldbecon- nectedtoasuitablegroundfortheprotectionof operatingpersonnel. 1-5INSTALLATIONOFRACKMOUNT T

33、he130BRisdesignedsothatitcanbesup- portedina 19inchrackbythefrontpanelinthe usualmanner;or,thedustcovermayberigidly mountedintherackwithbracketsasshown in Figure1-1.Inthelattercase,thechassisis supportedbythedustcoverandmaybeslippedin Sect.IPage2 orouteasily;thescrewsthroughthefrontpanel merelyholdi

34、ng thechassisinplace.Torack mountthe130BRusingthebrackets: 1) MountthebracketasshowninFigure1-1with screwsthrough theoutsideholes of thebrackets. Thelengthofthesescrewsmaybechosentospace thefrontpanelfromthepanelrailsasdesired. Thebracketsatthereararenotnecessaryinmost installationsbutcanbeusedifadd

35、edsupportis required.Thesebracketsareavailablefromthe Hewlett-PackardCompanyasanaccessoryitem. 2) Removethedustcoverfromthe130BR and mountitinthebracketswiththe10-32trusshead screwsprovided. PANELRAIL Model 130B 3) Slip the 130BR into thedustcoverandfastenin placewithscrewsthrough thefrontpanel. -;-

36、., -I I I I I J . . .- . ., /CHOOSELENGTHTOSPACE PANELFROMRAILASDESIRED. (A) .PANEL RAIL ., . .JV C C C- C Q C / . , 1306-120 C IRIGHTSIDEBRACKET) . - C (B)(C) Figure1-1.Model 130BRInstallation ADJUSTFORBESTTRACERESOLUTION-,.-ADJUSTTRACEBRIGHTNESS SETBASICSWEEPTIME/CM5% WITHI VERNIERISETTO CONNECTSI

37、GNALTOVERTICALINPUT TERMINALS.BALANCEDINPUTSMAYBE USEDON1TO50MILLIVOLTS/CMRANGES. SETTOTRIGGERSWEEPFROM 8(NEGAlIVElORm(POSITIVE) SLOPEOFTRIGGERINGSIGNAL. ADJUSTTOTRIGGERSWEEPFROMA PARTICULARVOLTAGE(-30VTO+30V) LEVELIFEXTERNALSYNCHRONIZATION ISUSED,ORFROMAPARTICULAR VERTICALDEFLECTIONLEVELIF INTERNAL

38、SYNCHRONIZATIONISUSED. ADJUSTSWEEPSPEEDBETWEENSTEPS OFISWEEPTIME/CMI LO-E-1t6/1I78 TOTOSYNCHRONIZESWEEPFROMLINEVOLTAGE. TOffiIJTOSYNCHRONIZESWEEPFROMVERTICALINPUTSIGNAL. TOIEXTITOSYNCHRONIZESWEEPFROMEXTERNALSYNCSIGNAL. SETTOTOREMOVEORTOTO PASSTHEDCCOMPONENTOFTHEHORIZONTAL ORSYNCRONIZINGSIGNAL. TURNT

39、OIPRE -SETIFORMOSTSYNCHRONIZING SIGNALS.TURNINGnFROMIPRE-sETIFIRST LOCKSOFFSWEEPANDTHENFREE-RUNSASITIS TURNEDFURTHER. l.-:=-IH-+-ADJUSTHORIZONTALSENSITIVITYBETWEEN STEPSOFTHEIHORIZ.SENSITIVITYISELECTOR. -T+-;-;1lI-+-SETTOQFORBASIC INTERNALSWEEP. SETTOTOEXPANDBASICSWEEP. SETTOICALITOAPPLYTHEINTERNALC

40、ALIBRATING SIGNALTOHORIZONTALAMPLIFIER. SELECTDESIREDHORIZONTALSENSITIVITY(50/0), IVERNIERIIN AOJUSTHORIZONTALPOSITION ADJUSTFORSTATIONARYHORIZONTAL POSITIONWHENIHORIZ.SENSITIVITYI ISSWITCHED.(SEEFIGURE2- 4 ) HORIZ. DCBAL. ) HORIZ.POS. INTENSITY SCALELIGHT OSCILLOSCOPE MODEL1308 HEWLETTPACKARD PALOA

41、LTOCALIFORNIA CONNECTSIGNALTOHORIZONTAL/SYNCINPUT TERMINALS.BALANCEDAMPLIFIERINPUTSIGNALS MAYBEUSEDON1TO50MILLIVOLTS/CMRANGES. NOTE:INTHECABINETMODEL,PLACEMENT OFCONTROLSISDIFFERENTBUTFUNCTIONS ARETHESAME. FOCUS REMOVESHORTINGBARWHENCONNECTING- ABALANCEDINPUTSIGNAL. POWERSWITCHOFF!TURN TOBR IGHTENGR

42、AlICULEMARKINGS. VERT. DCBAL. ADJUSTFORSTATIONARYPOSITION-, WHENI VERT.SENSITIVITYIIS SWITCHED.SEEFIGURE2-3. ADJUSTVERTICALPOSITION- ADJUSTVERTICALSENSITIVITYBETWEEN-f-ttHI.-r SUPSOFIVERT.SENSITIVITYI SETTOTOREMOVEDCCOMPONENT.J OFI-NPUTSIGNAL.SETTOQfJTOPASS DCCOMPONENTOFINPUTSIGNAL. SETDESIREDVERTIC

43、ALSENSITIVITY(5%)-+-. WITHIVERNIERISETTO TOCHECKSENSITIVITYSETTOICALI Model 130B 2-1CONTROLSANDTERMINALS FrontpaneloperationcontrolsareshowninFig- ure2-1.Thisdescriptionof theoperatingcontrols enablesyou tooperatetheinstrumentifyou have abasicknowledgeofoscilloscopetechnique.De- tailedoperatingproce

44、duresaregiven intheoper- atingplates. INTERNAL SWEEP CONTROLS SWEEPTIME/CM- Thisswitchdeterminesthespeedatwhichthe crtbeamcrossesthescreen.HORIZ. SENSI- TIVITYswitchmustbeinanINT. SWEEPposi- tionorinternalsweepsarenotgenerated.Associ- atedwith the SWEEPTIME/CMswitchisacon- centricVERNIER whichprovid

45、escontinuousad- justmentofsweepspeedbetweensteps.AX5 sweepmagnifieroperatesonallranges. SYNC - Thisthreeposltlonswitchletsthesweepbetrig- geredeitherinternallyorexternally.Internal triggeringcanbeaccomplishedfromalinefre- quencysignalorfromanappliedverticalinput signalofsufficientamplitudetoproducea

46、one- halfcentimeterdeflection.Externaltriggering canbeproducedbysignalshavingamplitudegreater than 0.5 volt,peak-to-peak. SWEEP MODE - Asthiscontrolisrotatedfromtheextremeclock- wiseposition, thesweepgeneratorwillpassfrom anun-synchronizedfree-running(FREERUN)con- dition through aconditionwhereonlyt

47、riggered operationispossible(TRIGGERED) to aposition inwhichsweepswill notoccur.At theextreme counterclockwisepositionthecontrolswitches intoaPRESETposition.Thispositionprovides optimumtriggeringbiasfornearlyallwaveforms. Sect.IIPage1 SECTIONII OPERATINGINSTRUCTIONS TRIGGERLEVEL- Thiscontinuouscontr

48、olselectsthelevelonthe syncwaveformwheretriggeringistooccur.When the TRIGGERLEVELcontrolissettozero,the triggercircuitsarethemostsensitive. TRIGGER SLOPE - Thistwo-positionswitch,concentricwithTRIGGER LEVEL,permitstriggeringtooccuroneitherthe positiveornegativeslopeofinternal,externalor linevoltages

49、yncsignals. HorizontalorSync INPUT - AsetofthreebindingpostsusedforreceIvmg externalsyncvoltagesandexternalgenerated sweepingvoltages.Ontherackmountmodelonly, a3-conductorreceptaclen02,mountedatthe rearoftheinstrument,isconnectedinparallel with the bindingposts. 2-2REAR-ACCESSTERMINALS -DANGER-HIGHVOLTAGE- ThefollowiI1gterminalsareaccessiblethrough therearaccessplateoftheinstrumentcabinet: Horizontalandverticaldeflectionplates,anda terminalforcrtintensity(