HP-100D-Manual-sn-142 电路图.pdf

HP Archive This vintage Hewlett Packard document was preserved and distributed by www. Please visit us on the web ! On-line curator: Glenn Robb This document is for FREE distribution only! RadioFans.CN 收音机爱 好者资料库 INSTRUCTIONANDOPERATINGMANUAL FOR MODELlOaD LOWFREQUENCY STANDARD Serial142andAbove HEWLETT-PACKARDCOMPANY 395PAGEMILLROAD,PALOALTO,CALIFORNIA,U.S.A. RadioFans.CN 收音机爱 好者资料库 PRODUCTIONCHANGE I Serial142andAbove TableofReplaceableParts ChangeV9,VIO,VII,V12,VI3to: Tube:6CB6.HPstock#2l2-6CB6 ChangeV17to: Tube:6AV6.,HI?stock#212-6AV6 ChangeR9,RIB,R27,R36to: Resistor:fixed,composition,3900ohms, 10%,lW, HPstock#24-39-00,Mfr.Allen-Bradley#GB3921 ChangeR5,iUSR24,R33to: Resistor:fixed,composition,39,oonohms, 10% HPstock#24-39K,Mfr.Allen-Bradley#GB3931 ChangeR20to: Resistor:fixed,composition,1.2megohms, 10% HPstock#24-1.2M,Mfr.Allen-BradleyGB1251 Electricalvalueadjustedatthefactory RadioFans.CN 收音机爱 好者资料库 y TABLEOFCONTENTS CAUTION0000.1;1001 SPECIFICATIONS.3 OPERATINGINSTRUCTIONS.5 Inspectionc0-5 InitialInstallation5 Controls0c.6 Operation7 GENERALINFORMATION.8 100kcOscillatorCircuit.9 FrequencyDividerCircuit.9 PowerSupplyandVoltage RegulatorCircuit.12 BLOCKDIAGRAMOFMODELlOOD.10 STANDARDIZATIONHITHVWV.12 SCHEMATICDIAGRAMFORUSEWITH MULTIPLIERWITHMODELlOOD.13 APPLICATION.15 TYPICALLISSAJOUSFIGURESHOWING POINTSOFTANGENCY.16 SERVICENOTES.16 TABLEOFREPLACEABLEPARTS.20 L0WFREQUEnCYSTAND1L11.D r1lJDEL100D .9.A.U+I()N DBEFCJRETURNINGuNTHEilTSTRU1JENT Theheating0fthecrystalveninthisinstru- mentisregulatedbyamercury-columnswitchOccasion- ally,themercurycolumnisseparatedbyjarringandvib- reitiohoftheunitinsl:ipment. Afterturningtheinstrumentonforthefirst time,keepaclosecheckonthetemerature0fthecrystal ovenasindicatedbythethermometerinthefrontpanel. Whentheinstrumenthasbeenonabout30minutes,thecry- stalovens:.Juldremainautomaticallyataconstanttem- perature.Thisconditionwillbeindicatedby as2utting offofthecrystalovenindicatorlamp fromtimetotime, andbythefactthatthethermometerTIillreachasteady readingof65C2C. However,ifthecrystalpilotlightstayson continuously,orthethermometergoesupbeynd70degrees, themercurycoltunnineithert1ethermstatortletl1ermo. meterh2s)rbablybeenseparatedinsipment.7lITnte instrumentoffimmediatelyandproceedsfollows. 1.RemovetheinstrumentfromtGcabinetndre- movethecrystalCvenunitvThichplugsintotubesrclet adjacenttothermometerwindow. 2.Disconnectthethermostatwiresfromtheter- minals(#3,Fig.l).emovethethermCstatclamprunscrew- ingthetwoscrews(#4,Fig.l).Drawthethernostatout oftheoven.(#5,F-ig.1) 3.Inspectthethermostatformercurycolumn separationandminuteairbubblesinthemercurybulb. 4.IfBitherairbubblesorseprtionarepre- sent,placethemercurysitchbulbiniceDateruntil mercuryoccupiesonlythebulbcOn1)artLlent.:2apliglltly toremoveanyairbubblesormercuryglobulesleftin column. Thenplacethebulbinavesselofwaterand he2.t untilmercurycompletelyfillscolumnandasmallportion oftheenlargementattopofcolumn.Thenreuovethe thermostatandTIatchthemercurydescenttoroomtempera- ture.Ifthereisnoseparationorbubblespresent,the thermostatmaynowbeputbackinservice.Itmaybe necessarytorepeattheaboveproceduremorethanrnceto uniteallthemercuryandremoveallbubbles. -1- CAUTIlJN:ImmergeonlythebulbportionofthetherijOstat. IfthethermCstatleadsgetwet(rc:.nymCisturecCllcts beneaththeplasticinsulatorcoverinthecntactrings, removetheplasticinsulatoranddrytubeandinsulator andleadsthorouglybeforeplacingbackinservice. 0therwise,leakagebetweenleadsmaycauseeaterrlay toremain(pen. 5.Unscrewthetw(nuts:1ldingthethermCmeter clamps(#2,Rig.l)andwithdrawtheroometerfromtheoven. 6.Tounitethemercury column and re0veair bubblesinthethermometer,useSlme:rocedure as t:1at usedron1ethermostat. 7.eplacetheter0st2tandtermometerinthe crystaloven;turnontheinstrUQentadcbserveoven temperatureandoperationCftheovenindicntcrlam,. -2- INSTRUCTIONS MODEL100D SEC0NDARYFREQIYSTlNDiLD ppecificatiCns outputRatin,g vutRutFrency 10cyclespersecond 100cyclespersecond 1,000cyclespersecond 10,000cyclespersecond 100,000cyclespersecond Voltsinto_2Q.0_Q.ohrgs_J,.2ad 5 Iainimum 5 minimum 5 minimum 5 minimum 5lJinimUll1 Distortiol1- 4%atallfrequenciesTIith 5000ohmsload. Internalimpedance - 2000ohmsload. QuartzCryst1- 100lec QuartzCr:.Y.s.tal.Ylill Heatervoltage6.3V uventenperature650C. PowerSupplyRating Voltage-105to125volts Frequency-50to60cycles Wattage-145watts OverallDimensions- CabinetModel -23-1/4-11longx12-1/4high x14-7/16deep -3- i pverallDimensions-(continued) Rack r.:odel -19longx10-1/2high x14-7/16deep P2.nel -19ilongx10-1/211igh Depthbe1indpanel-13-1/4 Weight Cabinettlodel-45plunds Rack Model -35pounds TimingPips- IntervalAmplitude 100microseconds 1000microsecnds2x100 usecaID)litude 10,000microseconds3x100 usec2mlitude :u1?.eCOIDDlement uscillator Rectifier(TwinDiode) FrequencyDivider FrequencyDivider Rectifier(lvlinDiode) lrequencyDivider PrequencyDivider requencyDivider 100,000cpsOutput.Catl(de follower 10,000cpsuutlJut.CaLlCde fllwer 1,000cpsGutput.Catode fCllovlOr 100cps0utput.Cat(QC frllower 10cpsuutput.CathldefollCwer Rectifier VltageaegulatCr VoltageeGulator VCltage:egulator VoltageRegulator uscillosco-:Je Amplifier(V19ECrizontal Plates) Amplifier(V19VerticalPltesi 6AH6 6BH6 6AL5 6A86 61.86 6A15 6AS6 61.86 6BH6 6AH6 6AH6 6AII6 6BH6 6AH6 5R4GY 616G 616G 6AQ6 L.A2 2APlA 6BH6 VII V12 VI V2a,b V3 vl:t V5a,b v6 V7 V8 V9 VIO V13 v14 v15 v16 V17 v18 V19 V20 V2l -4- Frequency 100kc i10kc 1kc 100cycles 10cycles ratingInsttytions l.nspection Thisinstrumenthasbeent:lor0ug:llytestedand inspectedbeforebeingshippedandisreadyfrrusewhen received. Aftertheinstrumentisunpacl:edthecover shouldbe removed(seelJaintenancesectionsothatthe instrumentmaybecarefullyinspectedfordamagereceived intransit.Whilethecoverisoff,thetubesshruldbe checkedtoseethatt:leyarefirmlyseatedintheirsockets. Ifanyshippingdamageis f 0 und,fcllotherocedureout- linedintheClaimforDamageinShipmentl1pageatthe backofthisinstructionbroke InitialInstallatic:n- BeforeinstallingtheModel 100D make Sll.rethat thetubesandrelayaresecureintheirsocl:ets. Theinstrumentshouldbesituatedsothatthere isadequateventilation.Lackofproperventilationmay causetheambienttemperatureintheinstrw:nenttorise highen0ughsolattheoventhermostatwilllosecontrol. 0bservetheCAUTIGNregardingthecrystaloven, inthefrontofthisbrok,beforetningonthepower. Afterthepoweriscn,severalhoursillelapse beforethecrystaloventemperaturebecomesconstant.The instrumentshouldberuncontinuouslysothatthetcera tureofthecomponentsreachesasteadystGteandconstant outputfrequencieswillbemaintined.Continuous0pcra- tionoftheinstrumentwillalsoimprovethestability(f thecrystal. Lowcapacityshieldedwireshouldbeusedtodis- tributetheoutputvoltagestothoequipmentundertestsas itwillpreventthepiCk-upofextraneousvoltages.The s:lieldbraidonthewireiscCnnectedtotheGilbindin.g postsoftheinstrument.70maintaina minimumoutput voltageof5volts,ateachfrequency,aloadofnotless than5000Chmsimpedancemaybecrnnectcdacrosstheout- putterminals.Thefollowingtablegivesthemaximum capacitythatcanbetoleratedvlitl10utexceedingt:1eabve conditions. .0003mf .003mf .03mf .3mf 3mf -5- InitialInst:mQUZJCIES-10.1.c_.J:.0_Q_kc.GrrLY.T1isswitchdis- connectsthe225Vsupplyfromthe1000,100,and10cycles frequencydividerswhenitisinche1110kcand100kc vnly,1position.ThisalsoremovestJ181000 and10,000 microsecondpips. TIMINGPIPS -hethreetypesoftimingpipsareavailable simultaneouslyatthesebindingposts. CUTPUTSELECTOR-Thisswitchconnectsanyonerfthefive frequenciestothet0UTPUTbinding)Cstsonthecontrol panel,andtheoscilloscopeinputswitches. INTZNSITY-Thisvariableresistorcontrolsthebrightness oftheimageonthecathoderangetubescreen. FliCUS- TheFuCUScontroladjuststhefocusoftheelect- ronbeam0nthecathoderaytubescreen. HlZ.GAIN-ThisvariableresistorcCntrrlsthevrltage admittedtotheamplifierfeedingte0iz0ntalplates ofthecathoderaytube. BEAMvN-IntheB:=AMLNpositionthisJcog,leswitch appliesvoltagefromtheIIJTENSITYIIcontrol,tothe cathoderaytubeandcEusingtl:eeleccronbeamtohitthe -6- i EAMu-(continued) screen.The CffpCsitionappliestoahigh!?!voltage,_ tothegridcuttingoffthebeam. VERT.GAIN-ThisvariableresistorcntrClsthevoltage adIDitted-totheaffiylifierfeedingtheverticalplatesof thecathderaytube. IIl,RI_INPm:- Thesebindingpostsareconnectedt:lrough theHeinZ.SCOPEINPUTswitch,intheIIZxt.positin, tctheoscilloscopehorizontalamplifier. V8RT.IfUT- Thesebindingpostsarecrnnectedt0u5h theVERT.SCePSINPUTswitch,inthe1I2xt.11prsitin, totheoscilloscopeverticalamlifier. HORIZ.SC0PEINPUT-EXT.INT. -Thissitchconnectsthe horizontalamplifieroftheoscillosco)etotheLU7PUT SELECTliRswitchortoEeRIZ.INPUTbindingP(sts. VERT.SCLPSINPUT-EXT.INT. -ThisSTIitchconnectsthe verricalam:JlifieroftheOScilloscopetothelieUTPUT SELECTl,.Rswitch01totheVE:i.l.T.INPUTIIbindingpCsts. FE- Thefusehelder,locatedonthe cCntainsa1.5amperecartridgefuse. replacedbyunscrewingthefuse:lclder newfuse. backefthechassis 1 Thefnsemaybe capnQinsertinga P0V_Cable- The powercableconsistsoft:ITeeconductors. TwoofheseCO:1c.uctCrscarlYyrwertotheinstrument whilethethirdccnductor(greenrrire)isconnectedtothe instrumentcassis.Tethirdwireprojectsfromthe cablenearthe)lugendofthecableandmaybeconnected toacreundwhenitisdesirabletoaveagroundedin- strumentchassis. uutputBinding:0sts- Thefivesetsofbinding,rstson thebackofthechassisaretheoutputtermnalsforte fivefrequenciesGeneratedbytheinstrument.Thebinding postsmarkedGarecenneccedtothechassis. liperatiol1- ThepositionsoftheModelIOODcCntrolsfor typicalmeasurementsareasfollows; StandardFreguen_vutuut(Lscilloscoueliffl- 1.lJUTPUTWAVEcontrelsetattheIISIlEor RECT.position,depending0nthety)eofoutputwave desired. -7- i S iJ ., _ ;) I it i 2.CennecttheL.UiPUTbindingpestsentIle panel,withtl1elJUTPUTS=-:L:2C,.l.lRswitchsstatt1efre- quencydesiredorifsevCl.alfrec_uecicsaretrbeused simultc:.neously,c0nnectt(thebindL1g:wstsc.tc:1erear oftheinstrument. 3.B3AUliNswitchattherffp0sition. yonllLq,risiO.n_0L_CiQ.U.n0.Y!l)=rec1J.e.4c.Y.,it.l:l. .the2.tanSid 1.lJUTPUTVIAVZcontrolsetattheSHIe positionandD.RIZ.SCt,P:,INPUTTIatntT. 2.Connectthesource0funknownfrequencyto theVZ,1T.INIUTbindingpostsandtheV:LRT.8CLP IiJPUTswitchtothe:!3XT.positiCn. 3.BZAMt.NswitchatthevNposition. 4.Rotatethe-ILJRIZ.GAINIIandVEilT.C.IN totheirextreecunter-clocllisepesitions. 5.AdjusttheINTENSITYlIand-;liCUScCntrols forthe(ptli1tbrightnessandclarityofthesp9tonthe cathnderaytubescreen.DonetallowthespCttoremain inonepositionclOrethanfiveminutes,othorvlisethe phesphoronthecathoderayscreenmaybedestroyed.The lifeoft11ecathoderaytubemaybelengt:lenedoykee):i.ng theBEAIVIliH Silitchintlel;FFpositionexce:?twilen makingmeaSlITements. TheHewlett-PackardLewFreuencytandard Lodel100Disanaccurateandstable;5eCrnc.c.ryfrequency standard.ItmaybestandardizediththeBureaucfStan- dardstransmissionsfromvVWVatintelv2.1sComaintaina highordercfaccuracy. TheLodel100Dconsists0f2.cry.:,tal-contr011ed oscillatoroperatingat100kcwhichccntrolsthestabi- lityofallfrequenciesgenercctsdbytheinstlument.The frequenciescf10kc,1kc,100cps,and10cps,arepro- ducedby10:1cascadedfrequencydividerslicharedriven bythe100kcprecisionoscillator.EachdivideroperateS itsownisrlatingureccefficientcrystal:leldatccnst2.nt temperaturecontrclsthefrequenctowithin2partsper millionperweek.TisaccuracyisattainedTIe0the crystalis0yeratedconstantlyanGafterathirtycayrun inperiod. FreGuencyDiYderCircuit- Thefrequencydividercircuitisc0mp0sGdrf (seeFig2)tubesV2,V3andassrciatedcnm)nnents.ube V3istheactualfrequencydiviaer,perati0gasaccn- trolledone-shrtmultivibrator.hetimecnstantsof thecircuitareadjustedsolatthecircuitistriGgered byeverytenthcyclesCftheoscillator. Assumingfora DomentthattheoscillatCris0t operating,theoperationofthecircuitcanbedescribed asfollows:inaquiescentstatetubeV3reratesinsuch a mannert:latt:leplateisata llj.ghervC1tagethanhe screengridbutdraws nocurrent.hisisexplainedby thefactthatthesuppressoreridissufficientlynegative withrespecttothecathodetocutoffteplatecurrent. Thereforetescreengridactsaplateforthespace current.1hecontrolgridisatcatodepotentialandis thusdrawingheavycurrent.Thecath0deofthediodeV2 isc0l1.nectedtoahigherdcv0l-agethanitsplatesot;lat V2isanopencircuitteprsitivevoltagesandtsmall negativevoltagesappiedteitscathode.henegative portionoftheosc1l1atorislarGee:loug:ltopasstllrough diodeV2andtriggeramultivibratoractioninV3:T18 negativevoltageispass:dfromthelateofV3tothe contrelgridtroughCl.ThenC3ativecontr01sridreduces t;:le s:)2.ce c.rrent,causingtnescreenvoltagetoriseand thecathrdevoltagetofall.Thisactionreduceste suppressrbiaswithrespecttothecathodesufficiently thatthecurrentpassest:lrCughthesuppressorgridtothe .-9- FIG.1BLOCKDIAGRA.1OFMODEL100D 100KG Crystal Osc. * rv10KG H-+Divider - .n.1KC .Divider . . . lOON.n. Divider.-1 . 10tV Divider .n. Isolating Amplifier !Isolating mplifier !Isolating plifier Isolating Amplifier Isolati AmplifieI rv ()100KCo10KC r rv o1KG rrv o100 , I V ()10 -_0 -_)1O :-1- .1 1cycle .10cycles *100KCOsc._ Voltageat inputto divider I I -_l.l_ *iaOKCDividerI OutputVoltageW atScreenGrid- I B+ NextDivider 10KCOutput FIGo2BASICCIRCUITOF FREQUENCYDIVIDER From 100KC Oscillator (. o + t:=l o o r-4 i H q) CI) FrequencyDiverCircuit-(continued) plate.The,latevoltagethereforedropsrapidly,re- inforcingtheoriginalnegativevoltageonthecontrol grid.Becausethe)latevoltag8onV3isnowlow,the plateofV2isatalowervoltagethanitscathodeandno negativetriggerveltagescanpasstl1r0ughdiodeV2. Thecircuitremainsinthisconditionasthe negativechargeonthecontrolgJidlea:soffthrougll resistorR2.Asthegridvoltages10wlyrises,thespace currentinthetubeslowlyincreases,causingtheplate voltagetodropsomewhatmore.Atthesametll1ethecat odevoltageslowlyrises,increasingtbebiasonthesup- pressorgrid.Finally,acriticalpointisreachedwhere thescreenhasmoreattractionfortilespacecurrentthan theplate. Whenthiscriticalpointisreached,thesecond portionofthemultivibratoractionoccurs;thescreen voltagefallsrapidlyandplatecurentC82.5, 5,10,15,20,25,30,and35megacycles.F0rtilelatest infcrmationonusingthisservice,aBureau0S-andards Circularl1ethCdsofUsingStand<:.rdFrequenciesBroadcast byRadio-maybeyurchasedfr0mtheSupericndcntof Documents,G-0vernrnentPrintinglJffice,7c:.s1ington,D.C. Adetailedannruncemcntof;NNbroadc2stservices,LCBB6 willbe,rCvideduponrequestfrrIDtheNati0nalBureau ofStandards,Wasington25,D.C. -12- C3C4C5 rOFI_IO_F_JOF MULTIPLIERFORUSEWITH MODEL100C,100D RI 1500 FROM MODEL100C OR1000 e6.H R5 39K R7 4000 C2 2700j.Jj.J F R4 220K R6 39K R8 10K TOANTENNA OFRECEIVER 220V A 0 o M 115V 60V ClCapaoitor.tbed;mioa;5000mmf; 300Tdow C2Clip.0itor.fixed;m1.oa:2700rrd, 300Tdn C3.Caps01torIftxed;eleotrnlytl0, 4.510mt,450Tdow Rlba18Wr.fixed.oompo81tion. 10 ohmsJ!lo,(,1watt R2aiatorIt1XM.orIfixed;0011position; 23),000ohma,t.l.1