HP-8554B-Manual-snabove-1245A 电路图.pdf

《HP-8554B-Manual-snabove-1245A 电路图.pdf》由会员分享，可在线阅读，更多相关《HP-8554B-Manual-snabove-1245A 电路图.pdf（198页珍藏版）》请在收音机爱好者资料库上搜索。

1、 HP Archive This vintage Hewlett Packard document was preserved and distributed by www. Please visit us on the web ! Originally posted on BAMA * For FREE Distribution Only * RadioFans.CN 收音机爱 好者资料库 OPERATIONANl;aVICEMANUAL , 8554B SPECTRUMANALYZER RFSECTION F,jjfjHEWLETT -.:PACKARD RadioFans.CN 收音机爱

2、 好者资料库 CERTI FICATION Hewlett-Packard Com/Jany certifiesthatthisproductmetits published specificationsatthe timeof shipmentfromthe factory. Hewlett-Packard further certifiesthatits calibration measurements are traceable to the United States National BureauofStandards, to theextentallowedbytheBureaus

3、 calibration facility.andto the calibration facilitiesofotherInternational Standards Organization members. WARRANTY This Hewlett-Packardinstrumentproductiswarranted against defects in material and workmanship for a periodofoneyear from dateofshipment. During the warranty period, Hewlett-Packard Com-

4、 pany will,atitsoption,eitherrepairorreplaceproductswhich provetobe defective. Forwarranty serviceorrepair, thisproductmustbe returnedtoa service facility designatedbyHP. Buyer shall prepay shipping chargestoHP andHPshall pay shipping chargestoreturntheproductto Buyer. However, Buyer shall pay all s

5、hipping charges, duties, and taxes forproductsreturnedtoHP fromanothercountry. HP warrantsthatits software and firmware designatedbyHP for use with aninstrumentwill execute its programming instructions when properly installedonthatinstrument. HP doesnotwarrantthatthe operationoftheinstrument,orsoftw

6、are,orfirmware will beuninterruptedorerrorfree. LIMITATIONOFWARRANTY The foregoing warranty shallnotapplytodefects resulting fromimproperorinadequate maintenance by Buyer, Buyer-supplied softwareorinterfacing,unauthorizedmodificationormisuse,operation outsideofthe environmental specifications forthe

7、product,orimpropersitepreparationormain- tenance. NOOTHERWARRANTYISEXPRESSEDORIMPLIED. HP SPECIFICALLY DISCLAIMS THE IM- PLIED WARRANTIESOFMERCHANTABILITY AND FITNESSFORA PARTICULAR PURPOSE. EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYERS SOLE AND EXCLUSIVE REMEDIES. HP SHALL NOT BE LIABL

8、EFORANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL,ORCONSE- QUENTIAL DAMAGES, WHETHER BASED ON CONTRACT,TORT,ORANYOTHERLEGAL THEORY. ASSISTANCE Product maintenance agreementsandothercustomerassistance agreements are availableforHewlett- Packard products. Foranyassistance,contactyournearest Hewlett-Packar

9、d SalesandService Office. Addresses are providedatthe backofthis manual. RadioFans.CN 收音机爱 好者资料库 rliOWHEWLETT PACKARD OPERATION AND SERVICE MANUAL 85548 SPECTRUM ANALYZER RF SECTION SERIALNUMBERS Thismanualappliesdirectlytoinstruments with serialnumbersprefixed 1245A. Foradditionalimportantinformati

10、onabout serialnumbers,see INSTRUMENTSCOVERED BY MANUAL in SectionI. CopyrightHEWLETT-PACKARDCOMPANY1973 1400FOUNTAINGROVEPARKWAY,SANTAROSA,CALIFORNIA,95404,U.S.A. MANUALPARTNO.085fi4-90035ManualPrinted:SEPTEMBER1974 Model8554BTableofContents CONTENTS SectionPageSectionPage I.GENERAL INFORMATION . I-

11、IVADJUSTMENTS5-1 I-I.IntroductionI-I5-1.Introduction5-1 1-7.Instruments Covered by Manual . . I-I5-4.Equipment Required5-1 1-12. Description1-25-7.Posidriv Screwdrivers5-1 1-17. Equipment RequiredbutnotSupplied1-25-9.Blade Tuning Tools .5-1 1-19.IFSections.1-25-11.HP11592A Service Kit5-1 1-21.Displa

12、y Sections1-25-14.Extender Cable Instllations5-1 1-23. Compatibility .1-25-18. Factory Selected Components5-1 1-26. AccessoriesSupplied1-25-20. Related Adjustments5-2 1-28. Operating Accessories1-25-23. Check and Adjustment Procedures5-2 1-33. Test Equipment Required .1-35-25.500MHzLocal Oscillator

13、1-35. Warranty1-3(Third LO) .5-4 5-26.550MHzAmplifier and Bandpass IIINSTALLATION2-1Filter5-7 2-1.Introduction2-1 5-27.1500MHzLocal Oscillator 2-3.Initial Inspection .2-1 (Second LO)5-9 2-5.Preparation forUse2-1 5-28.YIG-Tuned Oscillator (FirstLO)5-11 2-6.Shipping Configuration2-1 5-29.2050MHzBandpa

14、ss Filter5-13 2-8.Power Requirements2-1 5-30.1500MHzNotch Filter and 2-10.Mating Connectors2-1 Low Pass Filter5-16 2-12.Operating Environment2-1 5-31.0-1250MHzScan and Marker Shift5-19 2-15.Interconnections .2-1 5-32.Sampler Balance and Sampler Bias5-21 2-18.LOTerminations .2-2 5-33.Full Scan Sample

15、rOutput.5-22 2-20. Storage andShipment2-2 5-34.Search Oscillator .5-25 2-21.Environment2-2 5-35.Lock Range5-27 2-23.Packaging2-2 5-36.50MHzAmplifier Gain5-29 5-37.Analogic Checks. 5-31/5-32 IIIOPERATION.3-1 3-1.Introduction3-1 VIREPLACEABLE PARTS6-1 3-3.Panel Features3-1 6-1.Introduction6-1 3-5.Oper

16、ators Checks3-1 6-3.Exchange Assemblies6-1 3-8.Operating Considerations3-1 6-5.Abbreviations .6-1 3-9.RFInput3-1 6-7.Replaceable Parts List6-1 3-11.Amplitude Characteristics .3-1 6-10. Ordering Instructions6-1 3-28.Frequency Characteristics.3-5 3-43.Photographic Techniques3-7 VIIMANUAL CHANGES7-1/7-

17、2 7-1.Introduction7-1/7-2 IVPERFORMANCE TESTS . 4-1.Introduction. 4-4.Equipment Required 4-6.Operational Adjustments 4-8.Front PanelChecks. 4-10. Test Sequence. 4-13. Performance Test Procedures. 4-15.InputImpedance. 4-16.Average NoiseLevel. 4-17.Frequency Response 4-18.Spurious Responses 4-19.Resid

18、ual Responses . 4-20.Noise Sidebands . 4-21.Scan Width Accuracy 4-22.Center Frequency Accuracy 4-23.Local Oscillator Stability and Residuai Frequency Modulation 4-1 4-1 4-1 4-1 4-1 4-1 4-1 4-4 4-6 4-7 4-9 4-11 4-12 4-13 4-16 4-17 VIII SERVICE.8-1 8-1.Introduction8-1 8-3.TheoryofOperation8-1 8-5.Reco

19、mmended Test Equipment8-1 8-9.Troubleshooting.8-1 8-12. General Service Information .8-1 8-13.Part Location Aids.8-1 8-15.Factory Selected Components8-1 8-17.Diagram Notes.8-1 8-19.Servicing Aids on Printed Circuit Boards8-2 8-21. Repair.8-2 8-22.Etched Circuits.8-2 8-24.Etched Conductor Repair .8-4

20、 8-26.Component Replacement8-4 8-33. Operational Amplifiers.8-4 8-34.Circuits and Symbols8-4 8-37.Troubleshooting.8-4 8-41. Dial Calibration Procedure8-6 iii TableofContents Model8554B ILLUSTRATIONS FigurePageFigurePage 5-17 5-16 5-15 5-13 8-31 8-29 8-29 .8-27 .8-31 8-29 8-29 8-27 8-27 8-27 8-25 8-2

21、7 8-27 .8-27 8-23 8-24 8-25 .8-23 .8-23 8-3 8-5 8-7 8-17 .8-18 8,-19 8-21 .8-21 .8-22 8-25 6-1,FrontPanel Parts.6-12 8-1.8554BRFSection with Circuit Board Extended8-2 8-2.Examples of Diode and Transistor Marking Methods. 8-3. Operational Amplifier Equivalent Circuit . 8-4.Dial Restringing Procedure

22、8-5.Assembly and Adjustment Locations 8-6.Simplified Analyzer Block Diagram. 8-7.Block Diagram. 8-8.RF INPUT Jack J1, Exploded View 8-9.InputCircuits: A3 Schematic Diagram 8-10. First and Second Converter Assembly A8, Component Locations, and 1500MHz Notch Filter,. 8-11. First and Second Converter A

23、ssembly A8, Top View. 8-12. First and Second Converter Assembly A8, Bottom View (A8A2 Cover Removed) 8-13. First and Second Converter: A8 SchematicDiagram. 8-14. Simplified Circuit DiagramofYIG Oscillator 8-15. YIG (AT1NotShown) TerminalLocations. 8-16. YIG Power Supply Assembly A6, Component Locati

24、ons . 8-17. First LO and Control Circuits: A2, A6, A7 and A13 Schematic Diagram 8-18. Third Converter Assembly A9, Top View Component Locations (A9A1 and A9A3). 8-26 8-19. Third Converter Assembly A9, Bottom View Component Locations (A9A2). 8-26 8-20. 550MHzAmplifier A9A1, Component Locations . 8-21

25、. 550MHzLODriver A9A2, Component Locations . 8-22. 550/50MHzMixer A9A3, Component Locations 8-23. 500MHzLOA9A4, Component Locations 8-24. 50MHzAmplifier A12, Component Locations 8-25. Fine Tune R3 Wiring Connections 8-26. Third Converter: A9 and A12 SchematicDiagram. 8-27. Sampler Pulse Generator A1

26、0A1, Component Locations . 8-28. Phase Lock Amplifier Assembly A10A2, Component Locations . 8-29. Sampler Assembly AlGA3, Connector Identification 8-30. Phase Lock Reference and Sampler: A10 Schematic Diagram 8-31. Search Loop and Phase Lock Memory Amplifier A4, Component Locations 8-32, Search Loop

27、 and Phase Lock Memory: A2and A4 Schematic)Diagram,. 5-7 5-9 5-5 5-6 3-3 3-4 3-4 5-25 5-27 5-29 5-9 5-11 5-21 5-19 1-0 1-12 2-3 5-22 5-24 3-6 3-6 3-7 3-10 4-4 4-6 4-7 4-8 49 .4-10 4-11 4-12 4-13 4-14 .4-16 4-17 4-17 1-1.Model 8554B Spectrum AnalyzerRFSection and Accessories Supplied. 1-2.HP11592A Se

28、rviceKit. 2-1.RFSection andIFSection Interconnections 3-1.Increasing Effective Sensitivity Using the Video Filter. 3-2.Intermodulation Responses 3-3.Dynamic Range. 3-4.Using a Reference SignaltoMeasure An Unknown Frequency. 3-5.Resolvoing Two SignalsThatAre Close Together 3-6.FrontPanel Features 3-7

29、.Operational Adjustments 4-1.Return Loss Test Setup 4-2.Average NoiseLevel. 4-3.Frequency Response Test: 100-1250MHz 4-4.Frequency Response Test: 100 kHzto100MHz 4-5.Spurious Responses Test Setup. 4-6.Intermodulation Distortion Products 4-7.Residual ReponseTest. 4-8.Noise Sideband Test. 4-9.Scan Wid

30、th Accuracy Tests 100 MHz/Div 411. Scan Width Accuracy Test: 50 kHz/Div 4-12. Center Frequency Accuracy Test Setup 4-13. Stability Test for Local Oscillator. 4-14. Demodulation Sensitivity Measurement 5-1.500MHzLocal Oscillator Adjusment TestSetup. 5-2.500MHzLOLinearity Display. 5-3.550MHzAmplifier

31、and Bandpass Filter Adjustment TestSetup. 5-4.Bandpass FlatnessDisplay. 5-5.1500MHzLocal Oscillator Adjustment TestSetup. 5-6.YIG-Tuned Oscillator Adjustment Test Setup 5-7.2050MHzBandpass Filter Adjustment TestSetup. 5-8.CRT Display, 1 MHz, 0.5MHzand 0.2MHzPer Division. 5-9.1500MHzNotch Filter and

32、Low Pass Filter TestSetup. 5-10. CRT Display Without and With Notch Filter and Low PassFilter. 5-11. 0-1250MHzScan and Marker Shift Adjustment TestSetup. 5-12. Sampler Balance Check and Adjustment TestSetup. 5-13. Full Scan SamplerOutputCheck and Adjustment. 5-14. Typical DisplayofSampling Signals 5

33、-15. Search Oscillator Check and Adjustment TestSetup. 5-16. Lock Range Check and Adjustment TestSetup. 5-17.AMPLCAL and 50MHzGain Check and Adjustment Test Setup iv Model8554B ILLUSTRATIONS(contd) TableofContents FigurePageFigurePage 8-33. Scan Width Switch Assembly A2, Component Locations . 8-33 8

34、-34. Scan Width Attenuator: A2 Schematic Diagram8-33 8-35. Marker Generator Assembly A5, Component Locations .8-35 8-36. Marker Generator: A5SchematicDiagram. 8-35 8-37. Bandwidth Switch Assembly A1, ComponentLocations. 8-37 8-38.IFSection Control Circuits: A1and A2 Schematic Diagram 8-39. Simplifie

35、d AnalogicDiagram. 8-40. Bandwidth Switch Assembly A1, Component Locations . 8-41. Scan Width Switch Assembly A2, Component Locations . 8-42. Analogic Circuits: A1 and A2 Schematic Diagram 8-37 8-38 8-38 8-39 8-39 TABLES Table 1-1.Specifications. 1-2.Supplemental Performance Characteristics 1-3.Test

36、 Equipment. 1-4.Test Accessories . 3-1.Operational Difficulties and Their Correction 3-2.Fuse Information 4-1.FrontPanelChecks. 4-2.Performance Test Record 5-1.Adjustable Components 5-2.Factory SelectedComponets Page 1-4 1-5 1-8 1-10 3-2 3-2 4-2 . 4-19 5-3 5-4 Table 5-3.Display Calibration Condition

37、s. 6-1.Part Numbers for Exchange Assemblies 6-2.Reference Designations and Abbreviations 6-3.Replaceable Parts. 6-4.Manufacturers Code List. 8-1.Etched Circuit Soldering Equipment 8-2.Schematic DiagramNotes. 8-3.System Test and Troubleshooting Procedure 8-4.Assembly andComponentLocations Page 5-31 6

38、-1 6-2 6-4 6-14 8-3 8-8 8-10 8-15 v Generalbformation 1 lOll LOAO Model8554B 1-1.INTRODUCTION SECTIONI GENERALINFORMATION coverofthesupplement. GeneralInformation 1-2. Thismanualcontainstheoperatingandser- viceinformationfortheHewlett-Packard Model 8554BSpectrumAnalyzrRFSection.TheSpec- trumAnalyzer

39、isshownin Figure 1-1withallofits externallysupplied accessories. 1-3. Thissectionofthemanualdescribesthe instrumentsdocumentedbythismanualandcovers instrumentdescription,options,accessories, speci- ficationsandotherbasicinformation.Theother sections providethefollowinginformation: SectionII, Install

40、ation: providesinformationabout initialinspection,preparationforuse,andstorage andshipment. SectionIII,Operation:providesinformationabout panelfeatures,andprovidesoperatingchecks, instructions,andmaintenanceinformation. SectionIV,PerformanceTests: providestheinfor- mationrequiredtoverifythattheinstr

41、umentis performingas specified in Table 1-1. SectionV,Adjustments:providestheinformation requiredtoproperlyadjustandaligntheinstru- ment. SectionVI,Replaceable Parts: providesordering informationforallreplaceable partsandassem- blies. SectionVII,ManualChanges:thissectionis reservedtoprovidemanualcha

42、ngeinformationin futurerevisionsofthismanual. SectionVIII,Service: providestheinformation requiredtorepairtheinstrument. 1-4. PackagedwiththismanualisanOperating InformationSupplement.Thisissimply acopyof thefirstthreesectionsofthismanual.This supplementshouldstaywiththeinstrumentfor usebytheoperato

43、r.Additionalcopies canbe orderedthroughyournearestHewlett-Packard SalesandService Office;thepartnumberis listed onthetitlepageofthismanualandontherear 1-5. Also listedonthetitlepageofthismanualis a Microfichepartnumber.Thisnumbercanbe usedtoorder4 x 6inchmicrofilmtransparencies ofthemanual.Each micr

44、ofichecontainsupto60 photoduplicatesofthemanualspages.The microfiche package also includesthelatestManual Changessupplementas well as allpertinentService Notes. 1-6.Instrumentspecifications are listed inTable 1-1.Thesespecificationsaretheperformance standardsorlimits against whichtheinstrument canbe

45、tested.Table 1-2 listssomesupplemental performancecharacteristics.Supplementalchar- acteristics arenotspecificationsbutaretypical characteristicsincludedasadditionalinformation fortheuser. 1-7.INSTRUMENTSCOVEREDBYMANUAL 1-8. Thisinstrumenthasatwo-partserialnumber. Thefirstfourdigitsandthelettercompr

46、isethe serialnumberprefix.Thelast five digitsformthe sequentialsuffixthatisuniquetoeachinstrument. Thecontentsofthismanualapplydirectlyto instrumentshavingthesame serialnumberpre- fix(es) as listedunderSERIALNUMBERSonthe titlepage. 1-9.Aninstrumentmanufacturedaftertheprint- ingofthismanualmayhave a

47、serialprefixthatis notlistedonthetitlepage. Thisunlistedserial prefixindicatesthattheinstrumentisdifferent fromthosedocumentedinthismanual.The manualforthisinstrumentis suppliedwitha yellowManual Changessupplementthatcontains changeinformationthatdocumentsthediffer- ences. 1-10. Inadditiontochangein

48、formation,thesup- plementmaycontaininformationforcorrecting errorsinthemanual.Tokeepthismanualas currentandaccurateas possible,Hewlett-Packard recommendsthatyouperiodicallyrequestthe latestManual Changessupplement.Thesupple- mentforthismanualiskeyedtothismanuals printdateandpartnumber,bothofwhichappear 1-1 GeneralInformation onthetitle page.Complimentarycopiesofthe supplementare availablefromHewlett-Packard. 1-11.Forinformationconcerninga serialnumber prefixnotlistedonthetitlepageorintheManual Changessupplement,contactyournearestHewlett- Packardoffice. 1-12. DESCRIPTION 1-13.Th