HP-430A-Manual 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 INSU C TIONS nm:n:L430A lJIICR01AV:CFOJI:RI.1.TER SPECIPICATIOlrB i1illiwatts l .3 1 3 10 Accuracy.- -,.; DecibelsAboveorBelow1mwo -10 .5 o +5 +10 +5/;offullscale. Required:Cx_ternal:;auipment- Bolometerandmount.200Oh:,lS,at0.40to8.90I.Ia,at25c. VOlta:;c- Frequency- Wattage- 105-l2volts 50/60cycles 60watts OerallDimensions- 12-:-11longx10-3/811widex91Ihigh. I Q Weight- 17Ibs. JCables- InputCable f!l v I - . TypeorCable RG-58/U3ft. Termhlations UG-88juPlugon01: end,notermi.natlc. otherend. RadioFans.CN 收音机爱 好者资料库 , r- .J fJ eatthebackofthisinstructionbook. ControlsandTerminals liONThistog31eswitchcontrolspowersuppliedtothe instrumentfromthepoerline. FUSEThefuseholder,locatedontecontrolpanel, containsutyroaaperecartridgefuse,whichmaybe replacedbyunscrewln3thefuseholdercapand insertinga newfuse. COARSEZEROThisvariableresistorprovidesacoarse adjustmentofthemeterzeroindication. FINEZEROllThisvariableresistorprovidesafine adjustmentofthemeterzeroindication. DBM-M1NThisrangeswitchisusedtoselectthedesired powermeasurementrangeoftheinstrument. InputJackThisUG-185/ujackwillfitanyoneofthe BNCseriesofconnectors. CALliThebindin3postmarkedCALislocatedonthe chassisandisconnectedtotheinputoftheamp- lifier.Itisusedtoconnecttheexternalcali- brationvoltagetotheanplifier. Operation Beforethisinstrllientcanbeoperatedabolometerand bolometermountofthecorrectcharacteristicsmustbeselected. TheHodel430Aisdesi.3nedtooperatewithabolometer whichhasapositivetemperaturecoefficient,suchasaSperry GyroscopeCompany Type 821barretteroraone-hundredthajilpere instrumentfuse. Anybolometerissatisfactoryprovidedtheinstrument canbezeroed.Onthe10mw.ranGetheinstrumentcanbezeroed atmytemperaturefrom100Cto500c,withanybolometerwhose resistanceis200 ohmswithintheran3efrom8.40mato8090ma, -1- RadioFans.CN 收音机爱 好者资料库 r- J ill VI c- -:r I :J I - retoanother0 TheIICO.SEZ:;:;ROllcontrolshouldbeturnedSlovflyNhenadjustinG thelovlerran:;es,otherwisethe.ileterneedle/il130off-scale violently.J.1hemeter:naydriftsllhtlyontheloywrranGes,so forgreatestaccuracY$theinstrumBntshouldbezeroedjmtbefore maldngamesurement. G:8iffiRALHiFORlIATI01T The riIodel430:MicrowavePowerMeterconSlSL;Sofaself- balancinsbridse,anmpllfier,alneterincircuit,andaregulated powersupply. Theself-balancin3brideincludesthecircuitsassociated withVlandV3.ThebrideoperatesintheinputcircuitofVI, -2- .Q .J t ( W vI J0- t - J. - C M .:r whiletheoutputatV3iscou)ledtotheinputofVlthroughthe bridge.ThecircuitsarearranedsothattheoutputofV3isin phasewththeinputofVl;thus,therebeinsufficientgain,the systemoscillates.Thefrequencyofoscillationiscontrolledby thebridgevalueswhicharesuchastopermitthesystemtooscil- lateatafrequencyofapproximately10kcs. Onearmofthebrideisthebolometer,anon-linear resistor.Thisnon-linearelementlimitsthelevelofoscillation tothepointwherethesumoftheaudio,dc,andrfpowercauses thebololl1etertohavearesistancevD1.uenecessaryforstableoper- ationoftheoscillator. ThecrystaldiodeCRlisprovidedinaprotectivecircuit forthebolometerinordertolinlitthesurgevoltagett1einput jackifbhebolometerisconnectedaftertheinstrumentisturnedon. Itshouldbenotedth:.tpowerappliedtotheboloneter flomanoutsidesourcetendstocausetheresistanceofthebolo- metertoincreasebecauseofitspositivetemperaturecoefficient Thisactionresultsina10wbrG.sinalappliedtothegridofVl sothat,inturn,lesspoweru;appliedtothebolometerfromthe outputofV3.Therefore,tholevelofoscillationdecreases, thechanceinleve:beinautonaticallytheproperamounttoinsure thattheresistanceofthebolometerremainsunchanGed. TheoutputofV3isappliedtotheamplifierv4andv5 throu6h aresistivemetermultipliercircuit.Theoutputofthe amplifieristhenap)liedtothefull-waverectifierandmeterine; circuitassociatedithDl. Becauseofthefactthattheapplicationofexternal powertotheboloetercausesthelevelofoscillationofthe oscillatortodecreaseaconventionalmeteringcircuitwould ndicatetheapplicationofexternalpowerasadecreasedmeter readin:;.Inordertoavoidthiseffect,ther:l0tercircuithas beendesi:;nedtooperatewithadecurrentthrou:;hitofsuch amplitudeaswouldcauseareadin3somovnlathi;herthanfull-scale. TheoutputoftheamplifieristhenCO!ectedtothemetercircuit insucha waythatthercctifledoutputoftheamplifierflows throughthemeterinareverseorncati/edirection8.1dtllerefore bucksthedcbiasingcurrent.Asaresult,whentheamplitudeof oscillationoftheoscillatorisgreatest(noRFpowerappliedto thebolometer),themoterreadin5iszero.rhedecreaseinlevel ofosclllutioncausedbyexternalpowerbeingdeliveredtothebolo- meterresultsinlessrectifiedsignalcurrentflowin:;tllroughthe metersothattheQeterroadin1increases.Themeteriscalibrated directlyinmilliwatts8nddbm. Thepowersupplyfortheinstrw:lentincludesafull-vlHve rectifiercircuitandadegcnrativetypevoltageregulatorcircuit fornlaintainingaconstantplatesupplyvoltaefortheremaInder ofthecircuit. -3- i If) /- CoveT a:ldbottonPlateRonoyal Thecoveroftheinstrumontisremovedbyunscrewingte fourscrewsatthebackoftheinstrumentandslidingthetopof thecoverawayfromthepanel. Thebottomplatecomesoffwhonthefourscrewsinthe plateareremoved. TubeJeplacement Whenreplacin:.:;tubesinthenodelL30AanytUbeofaverage typecharacteristicscanbeused.However whenv4, v5,orV9are replaceditisusuallynecessarytoadjusttheirassociatedcir- cuits.Theadjustmentsarepcrformedasfollows: ReplacementoforV Vhenreplac1n:tUbeV_orv5,it1sdesirabletochbck thoeainofthear.:pJ_ifierbecausevariationsinthecain ofthesetubeswillaffecttheaccuracyofthoinstru- ment.Thegainadjustmentprocedureisasfollows: 1.RemovetubeV3fromitssocketfilndap:ply.L72 voltsat10KCbetr,OcntheCALlibind.in!;postandthe chassis. 2.Ifthometerdoesnotindicatozoro,adjustR31 sothatitindicateszoro. 3.Chansctheappliedvoltageto.193voltsat 10KCandadjustR39 il forfullscalemeteTindication. 4.Steps1,2,and3shouldberepeatedbecauseof slightinterlockinGbetweentheR31andR39adjustmentso ReplacementofV9 ThovoltDGeacrossV9detormin0sthevc.lueofbucking currentforthemotel.A newtubemay chanGethebucking currentandtheaccuracyoftheinstrument.rheinstru- mentshouldbereadjustedbyfollowingthoprocedure usedwhenv4orv5aroreplaced. VoltageRegulatorAdjustment AdjustR51(whichislocatedontheresistorboardbe- neathV7-6Y6tube)sothatthevoltaGebabloenpin#8ofV7and thechassisis240volts. -4- CrystalRectifierSolection CrystalCR1,2,3,4,edecreaseinbackresistanceathi3htempera.tures. -l ,-. j t r I i .1 I,j- J I -.:1 ! - -5-0 (1 :r 875-E-JOI1)-10.49 oFINEZEROJ R26R27 50K1000 R40 41.5K + + R4 41.51. R34 4701. i,.+-240V 10BM-MWI 9 I .01mf;600vdcw;.20% Gorp.ST-6-01 C13Capacitor:fixed;mica;15014-150 Mlcamold: 1 500 vdcw OXM mmf;lOv; ,. -Jc14 ThisCircuitReferencenot et assigned. ( c15Capacitor:fixed;.2516-42 Sprague: iJJ paper; tilmf;600 vacw68P37 C16a,Capacitor:fixed,electrolytic;18-L2 Mall4: -:r b,c,d.Lf.sectionseach20mf;450vdcwFPQ.- I :r- - C17Capacitor:fixed;.2516-42 Sprague: .J. paper, -mf;600 vdcw68P37 I C :c18ThisCircuitReferencenot Q assigned. /v) -6- TABLEOFREPLACEABLEPARS Circuit Ref.Description -h-p-.,.-.-:;,f:-:f-r-.,:.,.:Ifl.-S-Q-, stockNoDesignation Cornell- Dubilier: TLA-604o C19 C20 Capacitor:fixed;paper; .mf;600 vdcw Capacitor:fixed;electrolytic; 40mf;450vdcw 17-1-0 18-40 I I Mallory: IJypeFPS-146 C2lCapacitor:fixed;paper;.05mf; 600 vdcw 16-15Aerovox: Type681. C22Capactor:fixed;mica;500mmf; 107&; 14-500f:icamold: TJ)eOXM C23 eR1,2 3,4,5. Capacitor:fixed;electrolytic; 500mmf;15vdcw CRYSTALRECTIFIER: tJTIeIN34 selected.SecServiceTotes section. 18-5 212-34 j:.Iallory: Type TC-1505 Sylvania Electric, Electronic Divn. Fl II Fuse:2amp;typeV3AG Lrump:6-8v;0.1.5amp;minbay base 211-2 211-L7 Littelfuse: GeneralElec- tric.47 JlReceptacle:UG-185/U38-99Industrial Products: 1+500 I 1_ J2 111 BindingPost Ueter 312-3 43A-8l Hewlett- Packa.rd lIewlett- Pacl;:ard Rl, R2 R3 TIesistor:precisioncompo- sitiontJpe;33,000ohms; 10/ ./0. Resistor:precisionwirewound; 40905ohms;b;watt Hosistor:cOIJposition; 150,000ohms;.10;1watt TIesistor:composition;1500 ohms;.10/;1watt 31-33K 26-19 Wilkor:CP-l Slallcross: ,LJpe140L Allen-Bradley GB-15tl Allen-BradJBy GB-l.52l -7- Allen-Bradley GB-221+1 21t-220KResistor;composition;220,000 ohms;+10;Iwatt_-L-l-:.-J R6 fJ.l.hBLEOFR:;PL.CEABLL;PARTS f.1fr.;.-,-.;.;.-.;e-;._Description Crcuit Ref. R7Resistor:composition;47,000 ohs;10;1watt Allen-Bradley: GB-4731 R8Resistor:composition;100,000 ohms; .+10%; 1watt I2L-100KAllen-Bradley; GB-I051 R9Resistor:composition;22,000 ohms;+10%;1watt 24-22KAllen-Bradley: GB-2231 RIOlesistor:composition;2200ohms; 105&;1watt 24-2200Allen-Bradle;: GB-2221 Rll R12 Resistor:composition;1 meg- oh;+10%;1watt Hesistor:coposition;560 ohms;+10;1watt 24-lM 24-560 Allen-Bradle GB-I061 Allen-Bradle): GB-5611 R13Pesistor:comoosition, I 33,000ohms;.:!lO,J;1watt 24-33KAllen-Bradley: GB-3331 esistor:composition; 22,000ohms;+10/; 1 wo.tt 24-22K R15Resistor:cOl1)ositlan; 1meohm+101watt u,_ Allen-Bradley; GB-I061 R16Resistor:conDosltion;220 ohms;10;1watt 24=-220Allen-Bradley: GB-22Il R17Resistor:composition;5,000 OhnIS;+10/o20watts 27-3LectrohmInc. Type2R RIBResistor:comosltion;200 ohms;5;1watt 24:-81Allen-Bradley: GB-2015 .J R19 R20 Resistor:fixedw:.lE!ound; 30,000ohms;+1;&;1watt Resistor:f:Lccl;.1.l.rerl0Lmd; 30,000oms;+I.1watt 26-11 26-11 LectrohTI: 1-3/4E Lectrohm: 1-3/4E R21Ato(See-S-l) R21EPartofRangeSwitchAos0mb1y R22Resistor:cOTIQosition;2,200 oruns;10;1att 24-2200Allen-Bradley: CB-2221 -8- TABL=OFi12LACI:ABLEPARIS Cireuitr-hp-JIfr.;.;f._+-=D;.;e-=s;.:c:.:.r.:i:.p:.:t;.:i:.:o;.:.:.l_,_,t-S.t_ockIT0_Desi(nat ion R23 R25 R26 TI27 R28 R29 Resistor:precisioncomposition; 9000ohms; 1watt 11csistor:,composition;2200 ohms;+10;1watt Besistor:con.positi011.;170 ohms;+10;1watt Potentiometor:comosition; 50,000ohms Potentiometer:wirewound; 1000ohms Resistor:composition;33000 ohms;107;2watts Resistor:composition;120,000 ohms;10%;1watt 31-radley: GB-IOltl llen-Bradle: GB-IOJI Allen-Bradley: GB-5611 Allen-Bradley: Cr15-3331 Lectrohm: Type2R Centralab: 1-010-1990 Allen-BraClley: GB-L731 Allen-Bradley: GB-2741 Hewlett-PackclI ArrowHhnrubeShield:2h38-68Eb;r:869- Fuseho1der312-8 Littelfu85: 31+2001 i I I I -11- CLAIMFORDAMAGE IN SHIPMENT Theinstrumentshould betestedassoonasitis received.Ifitfails to operateproperly,oris damagedinanyway, a claim should be filedwiththe carrier.A fullreportofthedamage should be obtainedbytheclaimagent, andthisreportshould beforwardedtous. We willthenadvise youofthe disposition to be madeoftheequipmentandarrangeforrepairorreplace- ment. Include model number, typenumberandserialnumberwhenreferring tothisinstrumentforanyreason. WARRANTY Hewlett-Packard Companywarrantseachinstrumentmanu- facturedbythemto befreefromdefectsinmaterialandwork- manship. Our liabilityunderthiswarrantyis limited to servicing oradjustinganyinstrumentreturnedtothefactoryforthat purposeandtoreplaceanydefectivepartsthereof(except tubes, fuses andbatteries).Thiswarrantyis effectiveforoneyearafter deliverytotheoriginalpurchaserwhentheinstrumentis re- turned,transportationchargesprepaidbytheoriginalpur- chaser, and which uponourexamination is disclosedtooursatis- factiontobe defective.Ifthefaulthasbeen causedbymisuseor abnormal conditionsofoperation,repairswill be billedatcost. Inthiscase,anestimatewill besubmittedbeforetheworkis started. Ifanyfaultdevelops,thefollowingstepsshould betaken: 1.Notifyus, giving full detailsofthedifficulty,andinclude themodel number,typenumberand serial number. On receiptof thisinformation, we will give you service instructionsorship- ping data. 2.On receiptofshipping instructions,forwardtheinstru- mentprepaid,andrepairswill be madeatthefactory.Ifre- quested,anestimateofthechargeswill be made beforethework begins providedtheinstrumentisnotcoveredbythewarranty. SHIPPING All shipmentsofHewlett-Packardinstrumentsshould be made via Railway Express.Theinstrumentsshould be packed ina wooden boxandsurroundedbytwotothreeinchesofexcel- siororsimilar shock-absorbing material. DONOTHESITATETOCALLONUS HEWLETT-PACKARDCOMPANY .ea6oratoryQ)itJtrumen,tJfor4eedand.:?iccuracy 395PAGEMILLROADPALOALTO.CALIF. I. LABORATORYINSTRUMENTSOFSPEEDANDACCURACY WIDE-BANDVOLTMETER -hp.Model400CVacuumTubeVoltmeterfeatures bothawidevoltageandwidefrequencyrange, withahighinputimpedanceof10megohms.The instrumentmeasuresfromImillivoltto300v fullscalein12ranges.Accuracyiswithin3ld20 cpsto100kc;5(,20cpsto2me.Instrumentin- cludesdecibelscale(0db=Imw,600ohms), makingavailablecontinuousreadings,-72to +52dbm.(.hp.alsomakeslowfrequencyand batteryoperatedvoltmeters.) AUDIOSIGNALGENERATORS .hp.Model206AAudioSignalGeneratorisspe- ciallydesignedforamandfmbroadcastmeas- urements.Frequencyrangeis20cpsto20kc. Distortionislessthan0.1(,(,50cpsto20kc;and 0.25%downto20cps.Attenuatorsareadjust ablefrom0toI I Idbofallenuationin0.1db steps.Maximumoutputis+15dbm.Balanced center-tappedoutputsystemmatches600,150 orSOohmsystems.Other.hp-audiosignalgen eratorsprovideupto5waltspowrbetween20 cpsto100kc. DISTORTIONANALYZER Thismodel330BDistortionAnalyzeris-hp-s newest,finestdistortionmeasuringinstrument. Itiscapableofmeasuringdistortionatanyfre- quencybetween20cpsand20,000cps.Itwill makenoisemeasurementsofvoltagesassmallas 100microvolts.Alinearrfdetectormakesit possibletomeasurethesecharacteristicsdirectly fromamodulatedr-fcarrier.Thehighsensitiv- ity,stableaccuracyandcompactnessofthe330B makeitextremelyvaluableforbroadcast,lab- oratoryandproductionnleasurements. ADDITIONALINSTRUMENTSONREVERSESIDEOFPAGE HARMONICWAVEANALYZER hp1ode1300AHarmonicWaveAnalyzerisan excellentinstrumentforbothlaboratoryandpro- ductionworkwhereaccurateandrapidmeasure mentofindividualcomponentsofacomplex waveisrequired. Themaximumselectivityissufficientformeas- urementofharmonicsoffrequenciesaslowas 30cyclesanditcanbevariedoverawiderange. Viththisvariableselectivityfeature.measure mentsathigherfrequenciescanbemademore rapidly,yetwithnosacrificeinaccuracy. WIDE-BANDAMPLIFIER .hp.450AAmplifierisanew,versatile,wide-band amplifierdesignedforgenerallaboratoryorpro ductionuse.Jtprovidesexceptionalstabilityat 40or20dbgain,andgivesnewfreedomfrom spuriousresponses.Lowphaseshiftisassured byastraightforward,resistance-coupledampli fierdesign,togetherwithinversefeedback.Fre- quencyresponseisflatwithinI,:!dbbetween10 and1,000,000cps.Varyingtubevoltagesoraging tubeshavenoappreciableeffectonthegainor othercharacteristics.Whenusedinconjunction withhp400AVacuumTubeVoltmeter,itin- creasesvoltmetersensitivity100times. Standard-hp-instrumentsshownhereareadaptablefor makingnearly every electronic measurementinthe electronic field. Followingisabriefdescriptionofafewofthese instru- ments. Complete technical informationwillbesent-without obligation-onrequest.Inaddition,-hp-engineers are atyourservicetohelp solve specialproblems.