Errata 54510A Digitizing Oscilloscope Front-Panel Title & Document Type: Reference Manual Manual Part Number: 54510-90901 Revision Date: December 1, 1990 HP References in this Manual This manual may contain references to HP or Hewlett-Packard. Please note that HewlettPackard's former test and measurement, semiconductor products and chemical analysis businesses are now part of Agilent Technologies. We have made no changes to this manual copy.
Front-Panel Reference HP 54510A l GSa/s Digitizing osci1loscope И 輩脚 : @CopyrightHewlett-PackardCompany1990 HP Part Number 54510‐ 90901 Printed in thc UosA.
Herstcl|crtcsc.hetnigung Hiermit wird bescheinigt,dqB dasGer6VSystem HP545104 in Ubereinstimmungmit den gsstimmungenvon PostverfiigunglWU funkentsttirtist. Der DeutschenBundespostwurde dasInverkehrbringendieses GeriteVsystemsangezeigtund die Berechtigungzur Uberpriifung der Serieauf Einhalnng der Bestimmungeneingeriiumt.
Product Warranty This Hewlen-Packardproduct hasa warranty againstdefectsin material and workmanshipfor a period of three yearsfrom date of shipment. During warrantyperio4 Hewle$-PackardCompanywi[ at is option, either repair or replaceproductsthat prove to be defective. For warrantyserviceor repair, this product mustbe returned to a service facility designatedby Hewlen-Packard.
Exc:usive nemedies THE REMEDIES PROVIDED HEREIN ARETHE BUYER'SSOE PACKARD SHALL AND EXCLUSM REMEDIFQ.HEWLET‐ REσ ,SPECIAL NOT BE LIABLE FOR ANY DIRECr,IND】 層圧打HER いL DAMAGES,Ч INCIDENTAI.OR CONSEQUEN口 BASED ON CONrRACr,TORT,OR ANY OTHER LEGAL THEORY. Asgistance Product naintenance agreementsand other customerassistance agreementsare availablefor Hewlett-Packardproducts. For any assistance,contactyour nearestHewlett-PackardSalesand ServiceOffice.
Gontents Chapter l :ntrodu●ing the HP 54510A htroduction.… Chapter 2 .¨ .¨ .¨ .¨ ・… … ・… … ・… … ・… … … … ・… … … …1‐ 1 Instrument Setup Introduction InitialInspection .. . Contents of Shipment AvailableAccessories OperatingEnvironment..... Storageand Shipping RearPanel PowerRequirements .. .. . SelectingLine Voltage VerifyingtheFuse PowerCord . Line Switch IntensityControl Air FlowRequirements ConnectingE:rternalEquipment Chapter3 F『ont‐Pane:Over宙 .......2-L .......2-t .....2-t .........2-2 .....2-2 .
E n t r y. NumericKelpad Ituob. FINEKey I n p u t. Display InstrumentReset. Chapter4 Timebase Menu IntroductiontotheTimebase .. Time/DivKey delayKey referenceKey . . repetitive/ realtimeKey.. r e p e t i t i vmeo d e. realtimemod .e MemoryBarExercise $ingleShotExercise $ingleShotin RepetitiveMode . $ingleShotin RealTine Mode Panand Taom . Panand Zoom Exercise Zooning Panning Chapter5 ...+L ........1-1 ...+3 .. .$3 .....+4 .........U ........u .....+5 ......+8 . . . . . . .+8 . .. . . . .4-11 ..+L2 ..
Ghapter6 HP 54510A Front-Panel Reference Trigger Menu Introduction to the Triggers TriggerModelnteraction. EdgeTriggerMode. trig'd/autoKey. .. sourceKey.. levelKey slopeKey noiserejectKey.. holdoffKey HoldoffExercise .. Instru'nentSetup . OscilloscopeSetup. PatternTriggerMode. patternKey.. whenKey holdoffKey PatternTriggerExercise . InstrumentSetup OscilloscopeSetup. StateTriggerMode. clockKey whenKey presentKey.. holdoffKey StateTriggerExercise InstrumentSetup . Oscilloscope Setup.
TVTriger Modc . StandardSelect IGy SourceSelectKey leveVpolarityKey .. field Key lineKey holdoffKey TV TriggerExercise InstrumentSetup. OscilloscopeSetup. Chapter 7 .....6n ....,6-n ....,,.,6n .....G28 .. .628 . ..6-28 ....6-28 ......629 ....6-29 ........G29 Displav Menu lntroduction tO the play.… Dヽ … … … … … … … … … … … … … … … …7‐ 1 D“ lay MOde Key.… … … … … … … … … … … … … … … … …7… 3 nom.......・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 7‐ 3 avg .......
chan/memKcy sensitivityKey offsetl(cy Verticalscalingunits DisplayingFunctions WaveformMathExercise InstrumentSetup. OscilloscopeSetup. Chapter10 Waveform SaveMenu IntroductiontotheMemoriEs.... waveform/pixellGy.. waveformMenu. nonvolatile Key .. displayKey Key .. source storeKey pixelMenu v o l a t i l e K e .y. displayKey clearmemoryKey.. a d d t o m e i n o r y K e. .y WaveformSaveExercise . InstrrrmentSetup OscilloscopeSetup. Chapter11 HP 54510A Front-Panel Reference ....94 ...94 .. .94 ......94 ..
setlcy failif>IGy.. orif < Key.. savetoKey.. afterfailKey.. Ghapter12 Contents€ ...... Utility Menu IntroductiontotheUtilities.... ttP-lg menu. talkonlynode addressedmode . formfeedKey.. paperlengthKey . . device modeKey exitmenuKey.. SELFTESTMENU r e mT e s t romTest acquisitionTest.. MiscellaneousTest.. loop Test starttestKey.. testallKey.. exitmenuKey.. PROBECALMENU attenuation submenu channelKey.. startcalKey.. c o n t i n uKee y . . abortKey exitmenuKey.. tine nullsubmenu t i m eK e y exitmenuKey..
abort IGy exitmenulGy sendcernenu . clickerKey.. acBNCKey .. CalibrationProcedure AppendixA ..tLt1....,12-tl .12-LI ......12-12 ......12-12 A:gOrlthms ・・・・・・・・・・・・・・●●●●●・・・・・●●●●●・A‐1 Measurement Sctup .........・ 。… … … … … … … … … … … …… … … … … … 。A‐1 Making Mcasurcmen“ ‥ … … … … … … … … … … … … … …・A‐2 Standard Measurements.… 。¨ .… .¨ ・… ・… ・¨ 。… ・… ・… ・A‐2 User deaned Mcasurements.¨ .… .`・… ・… .… .… 。… ・…・… ・… ・… ・‥ ‥ A‐2 Automatic To,Base.… E d g e D e f m i t i o n .
Performancespecifications Vertical Horizontal Trigger PerformanceCharacteristics.... Vertical Horizontal Trigger OperatingCharacteristics.... Vertical Horizontal TriggerModes DelayedTrigger.... TVTrigger Display DisplayModes.... Delta-t/Delta-V WaveformMath. Waveformsave.. User-definableMeasurementThresholds serupAids Hardcopy Full HP-IB Programmability ProductSupport GeneralCharacteristics... Environmental Conditions PowerRequirements .... Weight Dimensions Contents-8 ...... B-2 ... B'2 ..... B'2 ...
■日 IntrOducing the HP 54510A Introduction The HP 545104Digitizing Oscilloscopeis a general-purposerepetitive and real-time oscilloscope,fuIIy progro"""able and transportable.The HP 54510Ahastwo input channelsand an etrernal trigger input. Full HP-IB progrrmmabiliit],is incorporatedfor usein a broad rangeof HP-IB applications,fro4 high-speedATE to devicecharacterizationin research and developmentenvironnrents.
Introduction 1-2 o o o Mca$rementl'-itTest WarrcformMath (+ r -, \ls,iwcrt, only) WaveformCalculus(integrateand differentiate) o o o PostacquisitionPanandZoom Four Nonvolatile SetupMemories Four Nonvolatile WaveformMemories o o o o TwoVolatilePixelMemories Full HP-IB Progrernrnability SegmentableMenoryover HP-IB HP-IB Multiple $ingle-shotCapability (300k RAM, up to 5fi) Waveformsper Second) llP 54510A Front-Panel Reference
lnstrument Setup lntroduction This chaptergsa[ainsinformation for unpacking applyingpower, and connectingoptional accessoriesto the HP 54510A. Inspectiotr,power requirements,and instructionsfor running the HP 54510Aself-testfor performanceverification are'alsoincluded in thie'chapter. For safeand trouble-free operation,follow the instructions and advisories in this chapter. Read the SafetyS"rnrary included in this nanual. initia: Inspection Inspectthe shippingcontainerfor damage.
Anllable Accessorles The following optional accesoriesare availablefor usewith the HP545104: o o o o o r o o o r Operating Environment Carrying Case,HP Part Number 1tm-1066 Rack Mount Kit, t{P Part Number 5061-6175 HP llS0ATestmobile HP l1!}3ATVMdeoSyncPod HP 1141ADifferential Probe HPlBTAHigh-VoltageProbe HP 10024,4' Integrated Circuit 16pin Test Clip HP l0zllAlntegrated Circuit 2$pnTest Clip PC Board Horizontd Mini-Probe SockeLHP Part Number 12fi-t737 PC Board Vertical Mini-Probe Socket.
If the original packagingmaterial is no longer arailable,identical packing naterial is availablethrough local Hewlett-Packardoffices. Mark the containerFRAGILE to ensurecareful handling. In anycorrespondence, refer to the instrumentbythe model and serial number. Rgaf Pangl Power Requirements The rear panel of the rrp 5+510Acontainsthe power input, voltage selectormodule,power switc\ esernal @nnectors,and calibrator protection switchesasshownin figure 2-1.
Selec'ting Une Voltage The firsemodule is set at Hewlett-Packardto the linc voltageusedin the eountryof destination. Checkthe settingof the fusemodule to veri$ it is in the correct position for the voltageto be used. If the setti'g needsto be changed usethe follovringprocedure. CAUTION BEFOREAPPLYINGPOWERTO 77IE INSTRUMENT,BE SURE 7:HEFUSE MODULE IS SET TO T'HE CORRECT LINE VOLTAGE POSWON. Sa,eretutnage will occurif the Iine voltagek not popedy set.
Verlfying the Fuse If it is neccssarytocheckor changefuses,removethe fusemodule and look at eachfusefor its anperageand voltageratings. ︱ ︱ 劉 軒 Figure2-3. CheckingfortheComct Fuse PowerCord The HP 54510Ais a SafetyClassI instrument with an ergosedchassis that is directly connectedto earth via the power supplycord to meet IEC Standard348. This instrumentis provided with a three-wire power cable. When co'-ected to an appropriateac power outlet, this cablegrouadsthe instruqrentcabinet.
… PH臨 L― … "… … “ ”” ” “ :い0●●S193“ ●ti● ” “ mm嗜 lhtt.d lini6, Cttrsa t t i 9 . ?i r , zldtu. slncrra Gr.t Iint Gt., 細 麺神 ””“ ４ ″″２ Str●1■tt"● :C●[' ” ”” : ■t ●C E E 7 V , 1 St7● rint Ilrl h Zaolond Cr!t Gr.t Jo& Gaa, 8t.Gl 6no6o intr..an.ct ano G@h.ht..no ,r. iph.r! lr . ond hli.d tt.t.. Conoao only to. .rrtfr 獅獅 ”” ∞∞ ”” ワ υ ¨ ” .F6rl hu6b.r .h-n lor prug i. !.&.!.t id..r;li.r cdrr.t. ccbr. 'ncrsd'6q prg9. ..1ha3r.ordi or. iaclud.O in tir 6A cartificot;06 rn grouno f{dr 16.
:nten3町 COntrO: Oncethe oscilloecopehasbeenturned on, the displayintensitycanbe adjusted,if necassary.The intensityis adjustedwith the Display Intensity control on the rear panel. ([:]) IIIIIIIIIII IIIIIIIIIIII IIIIIIlllllI M・剛I 剛剛‖・ IIIIIIIIIIII 0 0 0 Figurc2-6. IntensityConnol Air Flow Requirements HP 54510A Panel Reference Front‐ The HP 54510Amust haveunrestrictedair flow for the fan and ventilation openingsin the rear panel.
Connecting External Equipment The HP 54510Ais equippedwith an HP-IB comector on tle rear panel. This allons a direct connectionto an HP-IB compatible printer, plotter, or externalcontroller. Connectan HP-IB cableto the oscilloscopeand anyHP-IB compatiblc device. Tightcn the HP-IB cablewith the captivescrewsof the cableto avoid disconnectingthe cable. Ｏ Π ＝ ＝ ビ Π＝ ＝ ｕ ０ lIIIIIIIl ([3) lII ｎ＝ ＝ ｕ 歴 曇 曇 3ρllll IllllIIlξ ◎ ◎ Figurc2-7.
Front-Panel Overuiew IntfOdUCtiOn tO the FfOnt pangl 3 Thischapterdescribes thefunctionalsectionsof theHP 545104front panel.Theexplanationofeachareaalsocontainstheirinteractionwith eachotherandprovidea basisfor applications andusages. into sixfunctionalareas. Thefront panelis separated 。一 ¨ ¨ ０一 ０ ¨一 ¨ 一 ０ ０ ００００ ００００ Entry Devices Figure?1.
SystemControl The SYSTEM CONTROL keysare located alongthe top of the oscilloscopeto the right of the display. This sectioncontrolsthe following functions: o o o Dynanicdsplayfeatures Selectinglocalcontrol Activating hardcopy Selectionof anykey in the SYSTEM CONTROL sectioncausesthe oscilloscopeto executethat comrnandimmediately. 00000 ００ ０ ０ ０ ０ 00000 0 0 0 Cl ① ① ⑮ 00 Figure3-2. SystemContol Section RUN/STOPKey Front-PanelOverview +2 The RUN/STOPkeytogglesthe acquisitionstatusof the HP 54510A.
S:NGLE Key CLEAR D:SPLAY Key The SINGLE keyactivatesthe acquistiongnstcnfor one trigger ercnt. One acquisitonis madeand displayed;then the data acquisitionand displaycycleis stopped. In repetitive mode,this singleacquistionis superimposedon the current displayed&ta If the displayhasbeen clearedbefore the SINGLE key is prxsed" only one acquisitionis displayed. The CLEAR DISPLAY key clearsthe displayand resets all associated measurements.
Setup for displalng The SETUP sectionof the front panel controls subsystems input data- The setupsectioncontrols the following displayinfornation: o o o AUTOSCALE for automaticscalingof the waveformdisplayarea SAVEandRECAllsetups Quick aeoessts sfuannelfunction, and trigger information on the SHOW screen ０００ ００００ 00000『 0 ooooolll oooqfll o o 回 回 ロ ロ Figure?3.
AUTOSGALE Key This key causesthe oscilloscopcto evaluateall input signrlqand set the correct conditionsto displaythe signals.
SAVE Key SIIOW Key The SAVE key immediatelystoresthe oscilloacopesetupconfigurationin nonvolatilememory. PressSAVE, and then seled a saveregister:1, 2, 3, or 4. An advisoryis displayedabovethe waveformdisplayareaindicating tle setupconfigurationhasbeensaved.
Menus The MENUS scctionconsistsof nine kep: TIMEBASE CHAN― TRIG DISPLAY At/AV WFORM MATH WFORM SAVE MEAS DE― ■「H L Each of thesemenusis discussedin the following chapters. 00000 0000 目 昌6 言1目 目 囲 口 0口 ④ Figure34.
丁 Entry ― ― ― ― ― ― ― ― ― The ENTRY devicesectionspafeinsa multifunction nu-eric kelpad, a selectionknob, and a FINE key. 8日 0- ― 0000 固 ロ 目 目○ 目 目 ENTRY Figure 3-5. Entry Section Numeric Keypad The keypadis for direct numericinput. To input knownvaluesdirectly, pressthe associated softkeyto activatethe desiredfield on screen,and then selectthe units with the numeric keys.
The blue key on the numeric kelpad selectsthe alternatefirnction cfien pressedbefore a nuneric key on the front-panel keypad. The alternate function of the kep on the rigbt column are measurementunits. The CLEAR key clearsany selectionsmadefor the activefield. Knob FINE Key The knob changesvalueswithin eachfunction. It increments,de6ements, or togglesthe selectionin the activefield or function. The current selectionis displayedin fullbright in the displayedmenuarea and canbe changedwith the knob.
TimebaseMenu introduction to the Ti『 nebase TIMEBASE This chapterspa[einsa description of the TIMEBASE menuand how the entire horizontal displayand parametersare controlled with this menu. TIMEDASE TIME D:V oaroy reference 睦負 市¨ t 国 t a faa anca cttl ccnt..l .i0ht ■ off■ on ￨ ! rGbosc rcactitivr rcoltirc poa i t ion 54502W22 Figure41. TimebaseMenu Time/Div Key The time/division function controls the time scale on the horizontal axis from 1 ns/div to 5 sec/div.
Acquisitions are not displayeduntil all data is arailable (sinilar to normal acquisitons)to display. As data is being sanpld the advisory n s to initistized is displayedwhile pre-trigger data is.collectedand n s to completeis displayedwhile post-trigger data is collected. This message indicatesthe time neededto completeacquisitionwhere n is the lsneining time (in seconds,s) and continuesto countdoumuntil the time haselapsed.
delayKey Selectingielay assignsdelayastle activefunction. When delayis set to 0 the trigger eventoccursat the delayreferencepoint. Positivedelay indicatestime after trigger and negativedelayindicatestime before trigger. Tberefore, a delay settingof -50 ns indicatesthat the trigger event occurs50 ns after the delayreferencepoint. In the real-time mode and with the acquisiitonstopped,delaycontrols the pan feature (seethe pan and zoom exercisein this chapter.) refer.
repetitive/ realtimeKey The bottom function key selectsone of the trnoacquisitionmodesusedby the HP 54510A: o o repetitiveacquisition realtine acquisition SeeChapter7, "DisplayMenu" for more on acquisitionmodes. repetitive mode The repetitivemodesetsthe HP 54510Ato acquiredatain the repetitive acquisitionmode (seeFeelingComfonablelilith DtgttizmgOscilloscopes).
Someor all of the 8k waveformbuffer memories(eachchannelhasits om 8k buffer) canbe displayed. The displayedsigal is completelyupdated aseachacqnisitionis made. The following graphicsare shownat the top of the displayarea and in figure 4-2: memorybar - representsthe displayedportion of the waveformrecord memorybar displayline - representsthe entire 8k waveformrecord 'I - indicatesthe trigger point's location within the 8k waveform record.
Disconnectanyother signalsthat maybe connectedto otler inputs. PressAUTOSCALE and then stop the acquisitionwith the RUN/STOP lcey. Selectdelayin the TIMEBASE menu. Use the entry devicesto vary the delay. The memorybar at the top of the displaymoveswith the delay referencesfuanges.The memorybar is shoⅧ ln flgures 3,4-4,and 4‐ 5. 4‐ ■ 3tOppeC … 鵠 left E -5 00000 ● 3 0 00000 S rlght 5 00000 ● s 43.
rattranca lo「 tcntr m ・ ―:00∞ 0● 3 -5000∞ ●3 45. MemoryBar at Rightof Acquisition As the delayvalueis changed,the'P movesto the right or to the left alongthe memorybar dependingon a positiveor negativedelayvalue. Negativedelayvaluesshowpre-trigger eventsand positive delayvalues showpost-triggereventsin the acquisitiondisplay. 1由 er司 ビ器 … ….:‥ …… ■ 二…… ￨ ￨ !0 0000 ● s 44.
Single-shot Exercise This exerciseshowsthe single-shotcapabilitiesof the HP 54510A. $ingile-shot,in repetitive displaymode,is usedto build a waveformwhile displayingthe l gigasample/second r4e. gingle-shot,in real-timemode,is usedto compareinterpolated with non-interpolateddata. The 1 gigasample/second digitizing rate of the HP 54510Aallowscapture ofvery fast non-recurring events,suchas a microprocessorstart-up sequence.Error causingglitchesthat disrupt systemperformancecanbe capturedfor analysis.
一 -50.OOO n3 .nrg I 46. Single-shotWaveform Built-up in RepetitiveMode When averagingis off: r o datapointson the displayarenot gfuengedbynewdatawhen the SINGLE keyis pressed. datastayson screenuntil the instrurrentsetupis modifiedor CLEAR is pressed. When averagingis on: o o dataon screenis averagedwith newdataeachtime SINGLE is pressed. it is assumedenoughdatapointshavebeenacquiredto satisfythe nu-ber of averages setin the DISPLAY menu. To viewthe L gigasample/second digitizingrate: o PressCLEAR.
一 ￨ : … ￨ 。●V I I■ ■ 10。 4Lz′ Gい : ・6 ′ 1lV 切 IcISCC“′1)lg"taル lgRarθ shot h the repetttacquisition mOdc To observe the limitations of single― o Sclcctthe TIMEBASE menu and set timebaseto l ns. ● Press CLEAR and then SINGLE.Ten data points from the input slgnd arc displayed as m flFe 4-8. わ ●1 0 p p e d dalcg Irft E 48. Timebase /l.
Sing:e‐shotln Rea: Time Mode In the real time acquisitionnodg the data is interpolated at faster timebasesettingsfor a more usefirldisptay. To observethe difference betweennon-interpolatedand interpolated data: o Selectrealtime in the DISPI"AYmenu. Pressthe CLEAR key. Pressthe SINGLE key. The waveformis displayedasin figure,$-9. b ,lopp.d ?:iE!ASE 鵠 l 一H‐……+■“ コ +9. Ten-pointWaveformin Real TimeMode In the real time acquisitionmode,the HP 5451.
Pan and Zoom Pan and zoomfeaturesare availablein the real time acquisitionmode and operableonly when the acquisitionis stopped. Applications that require preciseevaluationof low repetition rate signals,suchasradar and transponderpulsetreins, are simplified by zoomingand pan"ing on single-shotdata. Zooming either expandsor compressesthe acquiredwaveformon the horizontal axisof the display.
+ slopped 1 200 oV′`iv Off30t:-4:2.5 ● V :.000:: dc -5 00000 ● s 0,00000 s i.00 ●s′1lv 5.00000 ● s 1 」 -204.5 oV 4 10.Rear-PanelSignalAutoscaled Zooming In TIMEBASE menu, select rcaltimeacquisitionmode. PressRUN/STOPkeyto stopthe acquisition. PressCLEAR keyto clearthe screen. Pressthe SINGLE keyto acquireone dataacquisition. Selecttime/divisionin the TIMEBASE menu. Rotatethe front-panelknob. Increasingtime/divdisplaysmore of the acquiredwaveformon the screen.
4r h.rdcopu ln trogrlrr l.00 ●6′￨:" 鵠 rer●r●nc● 1∞ ∞003 20.0● 6′diV 411. Zoorning Out of theAcquisition Set timebaseto 20 us/div to zoom in on the acquisitionasin figure 4-12. ケ … 饉 .出 er司 :∞ 000 ● 3 412. Zoomingln on theAcquisition The HP 545104 usesa digital oversampling filter to hll in the waveform for a more usable display at this sampling rate. The memory bar indicates the portion of the acquisition that is displayed.
Panningmovesthe acquisitionleft and nght for analyzationof waveforms. o Selectdelayin theTIMEBASEmenu o Use the front-panel knob to increaseand decreasedelay. As delayis increased the acquisiitonpansto the left becausethe window is pastthe trigger point, asin frgure41i1. 50.
When the delayis deseased the waveformpensto the right asin figure zl-14.The databefore the trigger point is being displayed. 4p nardcoPg In pro9rE36 - l oo-/6rrJ iL i_ !.i!s _) i i ￨ :+t : 1 趣 '----'ieFro..l i : Hetter司 --_------ 4 f 4 2 α “″′ t g め働` R 妙 ′ T h c m c m o r y b a r m O v e s t o t hocr lrei■ ght as the acquisition is panned. Panning and z00mmg can bc uscd concurrcntlyto cxammc the acqlllCition. Zoom out of the acquisitionby increasingthe timebase.
ChannelMenu Introductionto Channels 5 The channelmenu is a two-levelmenu and controlsthe vertical operation of the HP 54510A. This chapter decribesthe useof the nvo input channels,losluding vertical sensitivity,offset, coupling,attenuationand presetlevels. CHANI€L I,z,EXI Figure5.1.
CHANNELKey The top key in the channelmenu is for channelselection. This key togglesbetweenchannelsL, \ andetrernal. When a channelis selected (highlightgd in inversevideo) it can then be turned on. When a channelis turned on the small circle imnediatelv below the channelnumberis highlighrcd. Note h ispossibleto havea channeltumed on and viewwhilebeingin the verticalcontrolmenuof anotherchannel.
waveformdisplay)is shovmat the right of the waveformdisplaywhenthe SHOW keyis pressed. CouplingKey The couplingkey hasseveralselectionvariables: odc o dcBWlim oaC . r acBWlim acLFreject When dc is selected,1 MQ and 50Qdc input inpedancesare availableas choicesfor input impedance. Bandwidth limit is switchablewith the different combinationsof the coupling function. Bandwidth limit reducesthe effectivedc bandwidthto about 30 MHz.
The more keytogglesbeh*'eenthe two levelsof the channelmenu. probe key The probekey selectsprobeattenuationwith a rangeof 1000:1to .9000:L. Attenuation is adjustedby either knob or entry keypad. When the knob is in coarsemode,adjustments are incrementedor decrementedin the 1-2-5 sequence.When in fine modeadjustmentsare in 0.1increments. Probe attenuationaffectsscalingfactorsfor the display,not sensitivityat the input. Probeattenuationis calibratedin the Utility menu.
EGLKey The ECL key setsthe oscilloscopcto levelsoptimizedfor ECL circuia: . o o o o . V/Diu 200mV/div(400mV/divif # of screensis2) offsec -1.3 V coupling: dc Trigger levet -13 V Triggerslopcnochange RECALL 0 returns the.menuto the previoussettings. TTL Key The TTL key setsthe oscilloscopeto levelsoptimized for TTL circuits: o o o o o V/Diu 1 V/div (2Y ldivtf # of screensis 2) offseh25V coupling:dc Tt'tggerlevet 1.4V Triggerslope:nochange To return to the previoussetti4gspressRECALL 0.
TriggerMenu 6 range■ om simple 岬価“ the THggers 雛路路軋此詣寵 踏 」t i p l e 鋤 山 . This chapter cOntalns descriptions ofthe tFigeFing mOdesp and "lanadOns on hov7to use themP and exercises detailing sOme real鵬 叩pEcations.The HP 54510A h8 Flvetriggett modes: ● Edge ● Patten ● State e Delay O Tfiggef MOde lntgfaCtiOn TV The triggerlevel(threshold)for eachchannelis set in the edgetrigger menuand is independentfor eachcftennsl.It is carriedover to all other modes,exceptthe TV trigger mode.
EdgeTrigger The edgetrigger mode hasthe following selections: Mode r o r o o o Trigid/auto Trigger sour@ Triggerleveladjust Slope Noise reject Holdoff trig'd/outo source 1,2,EXT noise reject Figure61.
trlgU/auto Key The trig'd/auto selectiontoggl€sbetcrcenthe two triggcr modcs. The cturent selectionis displayedin inversevidco. This field is arnilable in all trigger menus. In the trig'd mode,the oscilloscopedoesnot display data until all of the trigger requirementsare satisfied. While waiting for the trigger requirements,the messagean'aitingnigr is displayed. In the auto mode, if a trigger is not found" a trigger is generatedand acquired data is displayed.
EdgeTrigger tWith HOldOffl Exercise This exercisesetsup the oscilloscopeand a signalgeneratorto view some of the featuresof the edgetriger. Holdoff is usedto gain a stabletrigger. This techniqueis not necessaryfor most applicationsand waveformg however,for manynon-recurring and irregular waveformsit is useful. lnstrumentSetup Follow the instructionsfor seuiqgup the sig[al generator. The signalfor this exerciseis a burst pattern with two positivecyclesthat repeatsevery 5ps.
Oscllloscope Setup Connectthe the signd generatorto the chrnncl l input and disconnectall other inputs. o PressATITOSCALE (seeFigure 62). tp runnIn9 1 500 mV/div offset:-375 0 mV 1 000: l dc 0 1 00 us/div rco I i. imc -ss.o-v 1f s45o4ro3 FigureG2, Two-Bunt wareform ofterAutoscale o Selectthe TIMEBASE MENU. o Set the sweepspeedto 5fi) ns/div. o Set acquisitionmodeto rtpetitive. The HP 545104setsup the displaypar'.meters.
Nde Tte signatgenerunris setfor two 500ns pulses.Thedisployon the oscillosape qpe&t to harrethreeprulses.This is on unstobleuiger condition. Thefolla+ing stqs qlain this condition ondhow to overconeiL fip stoppld ` 3 7 w a ‐b “が 動 膨 Determiningholdofitime. Changethe time/divsettingto2 psldiv. PressRUN/STOP (STOP),CLEAR DISPLAY, and SINGLE. This showsthe period of the waveform.
hp runn ing -?. rePet I t i ve Figure64. Two-BuntPulsewlStableTiger The input signalto the oscilloscopehastwo 500ns pulses. On the lirst risrng edgea trigger occursand activatesthe holdofftimer. When the holdofftine (1.0a000ps)haselapsed,the oscilloscope lools for another trigger. The oscilloscopetriggerson the frst rising edgeof the second burst. Each tiger eventoccurson a different pulse,and is consequently al unstablecondition.
Pattern Trigger Mode The pattern mode definesa lbit pattern for the oscilloscopeto recqgnize and generatea trigger event. When the inputs satisfythe trigger pattcrn and conditions,the HP 54510Atriggersand displaysthe desiredportion of tle waveform. The pattern modeis rary useful for glitch detectionbecausethe HP 545104triggerson a glitch and displaysthe resultingwaveform. lr i9'd,/oulo pr esent> holdoff time 40ns-320ms events 2-16 000.000 Fignre65.
panern Key Thisis anrmlabelled field" Thedisplaydepicts theSbit pattern The activefield is displayedin fu[-bright -6 is changed with theknob.Tbe functionkeychanges thebit selectionof threelcvels: 1 o o ll _ high L-low X-don'tcare The criteria fsl high is highgl than 1f,9current trigger level and low is lower then the current trigger level. The 3-bit pattern representsthe two channelinputs and the e$ernal trigger.
when exite& a trigger is generatedon the first transition that makes the pattera false. The pattern mustbe true and go falseto generatea trigger. r&en prcsent > : a trigger is generatedwhen a trigger pattern is true longer than a specifigdminirnurntine period. This time period is specifiedin the next selectionkey that is activatedwhen present > is selected.
lffitrumenl Setup To perform the following crerciseusethe HP 8116APulse/Frmction Generator,or another frmction generatorcapableof produciagthe sane 1 MHz, 1volt" squareq,aYssigrral. Set up the HP 8116APulse/FunctionGenerator: o o o o o o Mode: NORM FRQ:l.fi)MHz DTY = frVo AMP: 1.ffiV OFS = -200mV Set the generatorfor a squarerravs signal Connectthe sipal to a BNC tee on channel1 usinga l-meter coaxial cable. Connectanother l-meter cablefrom the other side of the BNC tee and terminatein 50 Q to channel2.
o o o Chanael2 Vertical sensitivity - 400mV/div offset = -200.00mV dc coupling input impedence= 50 f,l Display minimsn persistence 2 screens axes Trigger Channel1 level = - 2(X)mV Channel2level = -2(X)mV Setthe trigger mode to pattern. Set the pattera to HLX asfollorrys: o o o o o Pressthe function key until the first characteris highlights{. Turn the knob until the highlightedareais H. Selectthe next characterin the pattern. Continueuntil all charactersare selectedin the HLX pattern.
Channel1 is displayedin the top screen. To satis$ the conditionsof the bit paftern, channel1 mustbe high (highq than the channell trigger level) or greater rhan -2(X)mV. When the sifal on channell goeshighgl than -200mV and c.hannel2isstill low (lessthan -200mD the pattern conditionshavebeen satisfiedas the signalis enteringthe trigger conditions and the I{P 54510Atriggers. o Pressthe nten key and changethe condition to nten exited.
To satisfythis bit condition both channelsmustbe high The oscilloscope doesnot trigger until channel2 goeshigh vf,ils channelI is high. ,rp running Figure 69. HIIX when enteredPattem o Change the trigger condition to when exited. \l,ftils s[annel2 is still hieh" when channel 1 goes low the bit pattern is no longer true and the HP 54510A triggers.
StateTrigger Mode STATE TRICC[R trig'd ed9e The statetrigger mode is similar to the pattern trigger mode exceptthat one channelis selectedasa clock edgeand the other two triggcr sourocs define a pattern. When the pattern becomestrue the IIP 54510Atrigers on the nei clock edgeif the pattern meetssetupand hold criteria. @ pottern STATE TRICCER stoteldeloy tV c rocK trig'dlouto clock l.2.EXT 口 iS not present islis not 54502W18 Figwe 610.
To c,hangethe pattern: Pressthe function key until the bit to be changedis highlighted. Rotate the knob until the desired settingis highlighlsd. Selectthe arrow to chaagethe trigger slope,if necessary,and turn the knob until the desiredsettingsappear. present Key A Figger eventis generatedon the selectededgewhen the pattern is true and is prcsent is selected or a trigger occurswhen the pattern is falseand not prcsentis selected. holdoff Key The holdolf key assignsthe entry devicesto control holdoff.
Set up the HP 81164 asfollows: o o o o o r Mode = NORM FRQ = l.fi)MHz DTY = 50Vo AMP = 1.00V OFS = -2(X)mV Set the generatorfor a squareuays signal Connectthe signalto a BNC tee on channell usinga l-meter coaxial cable. Connectanother l-meter cable from the other side of the BNC tee to channel2. Oscilfoscope Setup The extra cablelength betweengfuanngl5 L and2providesa rirne dsl6y betweenthe signalsdisplayedon the oscilloscope.The propagationof a l-meter coadal cableis approxinately 6 to7 ns.
● Display nininum persistence 2 screens Trigger Channelllevel = -2(X)mV Channel2level = -2(X)mV Set the trigger mode to state Set the pattern to tL X as follows: 1. Pressthe function key uatil the first bit is highlighted. 2. Turn the knob until the highlightsd areais t 3. Selectthe next bit in the pattern and selectL. 4. Continue until all bits are selectedin the lLX pattern. Pressthe rvten key until is presentis selected(seeFigure G11). hp runni ng 0 00000 s 10 0 ns/div Figure611.
Channel1 is displayedin the top screcn To satisfythe conditions of the bit pattern, channel2 nust bc lon, (lorcr than the cbannel2 triggcr level) or lessthan -200mV. When thc signalon channell gocshiglcr tha. -200mV and channel2 is still lon' (lessthan -2m nV) the pattern conditionshavebecn satisfie4 the HP 54510Atriggen. o Changethe bit pattern to t IJ( and selectthe is not present condition. To satisfythis bit condition the clock chqnnelnust go lowwhile channel2 is high.
De:ay Trigger Mode The delaytrigger mode qualifieson a signaledge,pattern, or state,delay for a period of time (or occurrenceof edges),and then triggerson a selectededgefron any source. DELAY TR trie'O edge @ pottern stoteldeloyltv This trigger mode is versatileand acco--odates most complexaiggering . siruations.It hasthe flexibility to selectdifferent trigger sources,delay fimes,delaycountsand then displayvariouspoints of the waveform.
quallfy on plttem Whenthepatterntriggproptionis selectd theneft functionkcydefnes thequalifierpattern.Defininga pa$ernis thesameasin thepa$ern triggermodc. Highlight the bit to be changedbypressingthe function key. Changethe bit by rotating the knob. After selectingthrough all four bits, the activefield is changedto the condition field.
d●by Key This ficld selectsbetweentwo delayoptions. To changebcnreen thc dme and count options rotate the knob until the desiredoption is displayedin tle inversevideo field. delaytime disablesthe trigger circuit for a seleetedperiod of tine, from 30 ns to 160ms after the triger hasbeenqualified Note Time dclayis not availablein the time qtalified pattem settingt of whenpresent>, whenpresent <, or range.
tigger on Key DelayTrigger Exerclse Instrument Setup this tey selectsa specificedgeto triger on after the qualiEcationand delay conditionsharc beensatisfied All other kep in this menu have dealt with defining quali$ing conditions,howerrer,this field setsthe trigger point. This is anotherthree position option switch. o Pressthe function key to higt'tlgtt the numeric field and selectwhich o@urrenceto trigger, usingthe knob to set the number (l to 16000000).
OecllloscopeSetup The HP54510.Aautoscalesand displaysthis signaLhowerrer,for this examplemakethe listed triggcring changesaftcr autoscaling. ● Press AUrOSCALE。 ρ ゎ running ■ 500 mV/div offset:-437 5 mV 1 000: dc 0 00000 s 00 us/div 2.@ us/div reoetitive U- -e7'5o mv Figure613. TenBumPulseaftuAWOSQ4LE Set up the HP 545104asfollows: o o o o o o PressTIMEBASE and selectrcpetitive. PressTRIG and selecttrig'd display. Selectdelay trigger mode. Quali$ on edgeand the risingedgeofchannel I asthe source.
0 ∞ 000 s 500 ns/div -2 2 5∞ 00 us repetitive 54510W18 珈 “n ィJ s ` w / S r a b動 κ ` 」4 r g r 2 Bパr ″量 ″ Rct― to the tFigger menu and scttrigger on countto 5.This tens thc oscinoscope to trngger on thc 5th rising cdge ofthe next burst(sec F i g u r e 165‐ )。 np runn I n9 -2 50000 us O00000 s 500 ns/div 2.5O@O us repetative Figure615.
o Changethe trigger on count key to 9 (seeFigure 616). hp running Figure616. TenBurctPulseTigered on Pulse9 By settingthe oscilloscopeto the delaytrigger mode,a specifictime or couot to delaybetweenqualification and trigger can be added. In this exercise,the trigger wasdelayedto get a stabledisplay. When the tine delayhad elapsedthe HP 54510Abegancountingrising edgesuntil il found the ninth edge. ｕ ｎ ｅ ｅ Ｍ ｇ ｇ ｉ 略 ｒ Ｔ .
TV Trigger Mode The TV TRIGGER menu cnablesthe HP 54510A to扇 聰 げ On dampcd 市Ⅲ alS・ T h e t w o m o s t c o m m o n " 盤 a n d a r d s ; 6 0 H ノ5 2 5 1 i n e s o r NC ∬ is thc standard used in the United States,5CI H7625 1incs is the standard used in most Ewopean countrics.蹴 triger menu also anows for uscr deined tv signals that may be used in other parts ofthe world.
level/pohrity Key Theleveloptionsetsthetriggerlevelthatis applicableonlyto thew triggersouroe. o lield Key line Key Pressthe function key agin and the highlightedwindow movesto the polarity option and sclectsthe rising edgeor falling syncpulsesto trigger on. The field key selectsfield" 1 or 2. The line key selectswhich line the trigger wi[ be generatedon. This selectionis dependentupon which field hasbeenselectedpreviously.
TV Tfiggef Exercise Instrument Setup Oscilloscope Setup Videosignalsareunique,andassuchhaveuniquerequirements for Sffi.ffiffiff""ffi?:ffi: ""*howtodispravandwork Use a standardNTSC signalgeneratorwith clampedvideo output for this exercise.Turn color bars on. Connectthe NTSCvideosignalto channel1of the I{P 545104. o PTessAUTOSCALE" o Selectthe tv trigger mode. r Set 60Hzli2ilines and channell asthe souroe. Determine the polarity of the syncpulse.
PressDISPLAYand set persistenceto = 600.0ms toaccommodate vidco signals. hp runn ing edge stote Po! deloyltv Hz/525 1in source evell-337 甲甲甲"中 鴨 :::::… polority … -500 000 us o oo000 s 500 l Lr 蜘 艤 耐 「口 ￨ Figure617. Tiger at Field 1, Line I The HP 54510Ais triggeringon the first equalizingpulseof field 1, the first pulse in the vertical interval. The pretrigger data that is beingviewed (left half of the screen)is field 2, lines 256-262.
hp runn ing 5451● ● ●9 rin' FigureGI& Trigeron Fietd I, Line l0 The trigger is now on the first horizontal spc pulse in the vertical interval with color burst information. o Changethe trigger point to field 1, line 2L hp.unning 笏 伽諜 ゲ 場彎 Figure619.
The triger point is non,on the last slmcpulse of the vertical interval The nefr line containscolor information, in this casecolor bars are present. o Changethe rigger to field 2,line 1. hp runn i ng 憫 i t anrnm tnr trunrrntl I t us 0 00000 s 50 0000 us 54510W10 FigureG20. Tiger on Field 1 Line I The trigger point is on the secondslmcpulse of the vertical interval. 'fhis is the correct trigger point becausefields I and2 are interlaced.
DisplayMenu Introductlonto the Display 7 The DISPI"AYmenu controlsmost of the featuresthat dictate how the acquireddata is displayed. Thesefeatues include waysto manipulate data for clarity, 1seliminats noise,viewingbest case/worstcasesituations, or the displayedbackground. There are two displaymenus,dependi"g on which acquisitionmode the oscilloscopeis set to in the TIMEBASE menu.
DI S P L A Y Menu reolt ime persistence single/infinite connec t do ts ol t /on # of screens off/frome/ oxes/gr i d 7-2.
DisplayMode Key The DISPI"AYmode key seleds one of three displaymodas: o o o normal averaged envelope pcrsistchcc conn?c t DISPLAY The norm mode sEtsthe time par:nmetersfor displayingdata or persistence.The rangein the variablepersistencemode is fJs6 minimrrm, very fast overwriting and updating the display,1sinfinits with variable settingsin benreen,from 500ms to 10 seconds.This meansthat data displayrecordscan be presetto any of the persistencesetrings.
In both acquisitiotrmodes: Infinite persistencecanbe usedfor worst-casecharacterizationsof sigDal noise,jitter, drift, etc. In this modethe IIP 54510Ais usedasa storage oscilloscope. In repetitive acquisitionmode: {1 minimg6 persistence,a point is erasedwhen a new point is acquiredin the sametirns ss the display. Therefore, the waveformfills quickly and eachpoint lg6ains fs1 s minimum.mount of time.
env # of screens The envelopcmode ncedsno other parametersset. The displayreflects 1f,sminimum and maximumvoltagesin eachhorizontal position This is usefulin viewingvoltageor time jiner. The ner function key selectsthe number of screensto be displayed: Key DISPLAY 1: the entire displayareais one screenand any displayedwaveforms are superimposedon top of eachother. 2: the displayareais divided into two screens.
ottltramel This unlabeledfield selectsone offour displaybackgrounds: axes/gridKey oft: turns the backgroundgraticule off. The displayedwaveformand waveforminformation is not turned off. frame displap the outsideborder with a measurementscale. The measurementscaleis iacremented/decremented with major divisions and minor divisionsbasedon the vertical and horizontal measurement senings. axes: displaysa backgroundwith the measurementscalecrossingat mid-screen.
connect dots Key Connect-the-dotsis a techniqueusedto displayuraveformswith all data points connected.'llhis nakes viewingthe waveformseasierbecausethe sigoalis completeand hasno breals. The waveformin figure 7-4 is the sameasin figure 615 after the connect-the-dotskeyis on. Note Connect-the-dots bes not generutedstapoints. TheHP 54510Aconnectsdatapoinn linearly.
Delta t/Delta V Menu Introductionto the Markers This chapterdescribeshow to usethe markersand makemmual measurementson displayedwaveforms. In this mcnち two sc“ofmarkcrs the△ V markers(horiZOntal voltage markers)andthC Atmarttrs cverticaltimemarkersp are∞ ntroned. When the desred set ofmarkers have bcen tmed on the two marker ields are turned ono Each marker L individuany contrOned. Vmorker2 1 Vmorkcr 1 1日-1 00000 VI stop morxer 54501´ ″F05 Figure& 1.
aV markers Key This function key togglesthe markerson and off. With the AV function turned on the nort two fields are activatedalowing individual control of the two markers. ドfTは ヨ ビ出造ヨ [世饉司 Whenthe AV markersare turned o4Vma*er2,Vmarker7,anddeluV appearin the factors display area. The delta V entry is cdculated asthe following: Ymarker2 - VmarkerI = deltaV If delta V is negative,Vmarker 1 is located at a more positivevoltagelevel than Vmarker 2.
at markersKey this ftrnction kcytogglesthe time narkers on and off. Siriththe At function turned on the ned two fields are activatedatlowingindividual control of the two markers. The markersare placedon the displayrespectiveof the trigger point. Positivetime valuesare to the right of the trigger point and negativetine valuesare to the left.
WaveformMathMenu Introductionto the Functlons The WAVEFORM MAIII nenu definesone of two math functions. The firnctions are usedon data that is displayedon screenfrom either channel or from anyof the four waveformmemories. If data from a channelis usedfor a firnction, the channelmustbe turned on. However,if data from a waveformmenory is usedfor a function, that memorydoesnot haveto be displayed.
The vertical displayand offset can be adjustedto place the function for best viewing. When the firnction hasbeen calculate4 it canbe usedin the following mrnngrs: o o o o Defininga Function displayed evaluatedwith the measurementfeatures stored in memory transferredover the HP-IB The WaveformMath menu selectsand presetsanyof variousoperations, sources,and displayedresults.
The displayof the fimctions dependsonthe displaymodeinthe DISPLAY MENU. In singledisplaythe firnctions are displayedin one screen. In dual mode displ"y, finction 1is displapd in the top scrcenand function 2 is displayedin the botton screen. operand (chan/mem) Key Press this key to selectthe first operandof the mathematicaloperation, or the waveformto 6s rnanipulated. The choicecanbe any displayed channelor anywaveformmemorythat hasa waveformstored. Ensure that the channelor memorysourceis turned on.
int (integrate): The integrate function calculatesthe integral (with respectto time) of the vertical nalueof the desigratedoperand" Integration proceedson a point-by-point basis. If a data point is not encounteredin the operand,integration usesthe neft ralid data point. Anynon-existing data points encounteredare not sumnd onlythe avrailabledata is integrated.
Displaying FUnCtiOnS The HP 54510Ahastwo screenvariationsavailableto accornmodatea 2-channeldisplay,aswell astwo functions. o In the singls scrsspmode with a function on, the mathematicalresults and the operandsare displayedusingthe full displayarea. Channel 1 Viewing Area Function I Vioring Anea 5.{51clv23 Figure92.
hp Chauel lVieningtuca Function l.eilingAr€a Channel2VieningArea Function 2 Viening Ar€a 54501ノ ヽF52 In the dual screenmode function 1 is displayedin the top half of the screen,and function 2 is displayedin the bottom half.
Waveform Math hthis exercisetheWAVEFORM MATH menuL usedto subtra∝ Exercise one WavefOmfrom another. : n s t r u m e n t S e t u p s e t u p a n oHrP a8 1s1i6gへn a l g e n e r a t o r c a p a b L o f a l M L l v 0 1 t squarewave,as fonows: o MODE=NORM o FRQ=l MHz ● DTY=50% o AMP=1.00V o OFS=0.
The firnction subtractschannel2 from c,hannel1. The propagation betweenchannelshasalowed a 6 to 7 ns spikc. To beuer view the results: o PressTIMEBASE and set the horizontal displayto 50.0us/div (see Figure 9-5) . This displayis bestviewedwhen the oscilloscopeis in repetitlve acquisitionmode.
Waveform SaveMenu lntroductionto the Memories 10 This chapterdescribeshow to selectthe warreformand pixel memorieson the HP 545104. The menuconsistsof two submenus: o waveformmemoriesm1 - m4 usedto store one waveformat a tine. o pixel memoriesp1 and p2 usedasa screenstore. In this mannerthe memoriesare usedasa storageoscilloscope. WAVEFORM SAVE wov.form Pirr I nonvoloti 61 hi2 /m3/h4 le p1/p2 orsproy ol I /g^ disploy of | /on cいon 1/2 claor mamay “¨ stor€ sovad t imbos! Figure 1G1.
waveformMenu 圏 y司 The waveformmenuhasfour availablememories,m! m2, m3, and m4. Thesememoriesare nonvolatile and will not be deared during AUTOSCALE, RECALL CEAR, or recyclingpower. This permits disconnectionof power u16 6ansportion of the oscilloscopewithout losingthe contentsof waveformmemories. A waveformmemoryconsistsof a singlewaveformrecord hsluding the horizontal and vertical scalingparameters. This allowsmeasurementson previouslystoredwaveformand function data.
pixel Menu volatile Key The pixel sub'menuselectsthe pixel memories. Thesememoriesare useftrlwhen additive memorycapabilitiesare needed. Waveformscanbe stored to and added to indefinitely. This is the memoryselectkey. The alternativesare pixel memoryL or 2. The pixel memoriesare completepixel savesof the waveformarea (excludingthe graticule and markers)in volatile memory. The waveform displayareais 25i6by45t pixels. In pixel memorythe entire screenis saved.
WaVgfOfm SaVg EXgfCiSg lnstrument Setup This exercisedemonstrateshow a waveformis stored the offset sening change4 and the storedwaveformrecalled to be conpared with the current display. Setup an HP 8116Aor a signalgeneratorcapableof a 6kHz, l-volt squarewave: o Mode=NORM ● FRQ=6.∞ kHz ● DTY=50% o AMP=1.lXI V o OFS=0。 CXI V ● Sct the generator for a square wave slgnal O s c i : : o s c o p e S e t u p T h i s p r O c e d u r e a s s i s t s i n s e t t i n g u p t h e H P 5 4e5w1i0nAg .
o Pressthestorckey. The currently displayedwaveformis savedin nonvolatilememorym3. The renainder of this exerciscdemonstrateshow to recall the stored waveform. o Pressthe display key to turn on the m3 display. o Pressthe CI{AN menukey,changethe ofiset of channel1. This movesthe current displayso the storedwaveformcanbe viewed. The displayshould look like figure 1G2. nP runnrn9 disploy -250 000 us ChOnIE:コ 2 func 2 1 0 00000 50 0 us/div Figure1G2.
DefineMeasureMenu Introductionto Measurements 11 This chapter containsa descriptionof the measurementmenu. The entire measurementfunction, with all possibileoptiong is accessedwith the DEFINEMEASnenu. pl+2 hordcopy I'm 3 .dgc , a o\ upp.t/rld/ to 3 .d9. t a ol eqqcr/mid/ stot i rl icr FigureI1-1.
The first menusetsthe dynanic controls for measurenents.The second menusetsuser-definedparametersfor the measurements.The third menusetsup the measurementcomparisontest. MgaSUfement SglgCtiOn Each key in the numeric kelpad sectionhasa secondaryfunction. Above eachkey is a measurementselectionprinted in blue. To makean imnediate mEasurementof the displayedwaveform"perform the following keptrokes: r Pressthe blue (Shift) key on the n'meric kelpad to accessthe secondarykep.
meas/meas def/measlimit Key mgas SUbmgnU continuous Key This key is the prinary subnenu selectionkey. Pressto selcctone of the availablesubmenus.This field is alwap the top selectionso other submenusmaybe selectedat any time. Themeasure submenu is thedefaultcondition.Continuous andstatistics optionsareaccessed fromthissubmenu. If this option is turnedon whena measurement selectionis made,the displayedmeasurementis updated periodically. All subsequent measurementsare continuouslyupdatedwhen selected.
MeasureDefine Sub-menu The MeasureDefine submenuselectsmeasurementstandardsassigDedby the user. This givesthe option 6f making measurements6"r"61sa signal width or delay settingsor thresholdparameters. standard/userdefined Ifstandard is selecte4 no other choicesare availableand the IIP 54510A Key makesmeasurernentsbasedon IEEE standards. If, however,user defined is selecte4 two setsof test conditionsare availableto define the measurements.
This feature is usefulwhen measuringfor excessiveonershootor ringing. By defining the measurements, pasVfailcriteria of any choicecan be tested.Test from the front panel or sct the HP 54510Ain the limit test and allow the oscilloscopeto report without supervision. Note If the user-d$nedupperand lowerhresholdc aleplaced too closetogether,it ispossibletheHP 5451(Hwill not be ahk to determinethemidpoint.
Measurcmentdelay,not tobe confrrsedwith timebasedclaX isuscful when measuringsouroe-to-souroedelala or measuringtine separationon the sr-e sour@or a different souroe (seechapterd 'TimebaseMenu"). The front panel delaymeasurementcan be redefined by edgeslope,edge count (from 1to 4000),and the part of the transition edge(upper,lower, mid) usedas a referencepoint. o When setringedgecount fields, it is handy to pressthe fine kcy. In . tle coursemode the HP 545104 incrementddecrenentsby tens (1, 11,21,...
MeasureLlmlt Submenu The HP 545104 can run limit testson up to three measurements.The menu presetscertain conditionsand storesany failure data for erraluation at a later tine. Set the linit test cfiile in this menu and seleA the measurementfrom the front panel. When a test is running,statisticaldata is displayeddescribingthe test: ■off■ on . o o o current measurement minirnu value maximumvalue averagevalue Failure dat4 aswell asinformation regardingmemoryand sara data is displayed. El p1 .
set Key This keyselectstheneasurement. There are sitrecnmeasuremenB available;theseare Eameonesasare availableon the nunerickelpado Pressthe firnction key to highlight the 6eld and rotate the knob to selectthe desiredmeasurement. Note Thiskeydoesnot selectihe meosunemenn on whichthe limit test operates,thot selectionis madcfrom thelceypd with the blue (Shi[t) tcey. failif > Key This field setsthe upper failure threshold. The rangeon this field is dependentupon the units of the desiredneasurenent.
Utility Menu Introductionto the Utilities 12 The UTILITI menuaocesses the calibration and servicefunctions,as well assetsup the HP-IB interface. The submenusinclude self-tesg calibration, service,-6 3li5ting for the current firmware revisiondate. This menucontrols all of the servicefunctionsthat maintain the reliable performanceof the oseilloscope.
HP‐:B menu The HP-IB submenumakessettingsso the HP 54510Ac"n tdk to peripheral devices.This interfaceincludestwo prinary settings: HP-lB o o Talk-onlymode Addressednode form off ― poper length 12in ‖ h rlo de plot plot 9 r o t i c u t . / 6 i a p t o y/ toctorr/o I I ex i t menu 545,OW25 print′ pl● t pan 1-E chon l/? 1-4 ffi tunct ion l/2 grEmry l/2 \l@rker 1/? 3tor t mrk 6lop mrr groticulc tr i 99.i tihabolc ruosurc! t it 1.3 Figure12-2.
fonn feed Key If the form fecd option b on, the printer performs a form fecd at the end of the hardcopy. If form feed is off, the pageis scrolledup four lines cfien the hardcopyis complete. paper leryflh Key This key selectsbenreenll-inch or 12-inchpagelengthsfor auto form feed. The 11-inchpageis a U.S. standardand the O-inch pagea U.K and European standard. device mode Key This key selectswhetherthe hardcopygoesto a printer or plotter.
The HP 54510Ais designedto perform internal diagnostics.This selftestsubmenuteststhe oscilloscopeto give a high confidencelevel of instrumentfunctionality. Before starting anyself-tes! always perform a key-donmpower-up (RECALL CLEAR). This resetscritical parametErsto known valuesto assureenoneoustest failures do not occur. 3elft!st rcnu Hp― IB/keyboo「 d/crt sys tem ngnvol protcct Figure12-3.
If the HP 54510Afails anyself-tesl perform the following o Recalibratethe oscilloscope. o If that doesnot fx the problem,refer to theHP 5451(MSewice Monual.
ram Test The RAIvI tast is a multiple selectionfield- The options are: o o o o rom Test Two ROM testsare available: o o acquisition Test display acquisition s]'stem unprotectednonvolatilememory systeE protected nonvolatilememory Five acquisitontestsare available: o atrig . ltrig oND o timebase o D/A Miscellaneous Test Three miscellaneoustestsare available: o o o HP-IB keyboard CRT loop Test The loop test is a function designedfor useby qualified service personnel.
PROBE CAL MENU TVo probe calibration proceduresare availablein the probe cal nenu: o o attenuation timenull ottenuot ion Figurc12-5.
attenuation submenu The atteauationsubnenu calibrateschennelmin at the probe tip. Channelgain canbe corrected througb probe attenuationdo*l to 0.9 attenuation" PROBE CAL MENU enuotio t rme nu o Below 0.9the error aessageAfrentootion lessthon 1,seemoual for action is displayed. The correctiveaction is to recalibratethe HP54510A.
tlmenullsubmenu Tine null sets1f,siiming of {l chnnnels1scorrespondto eachother at MENU ottenuot Ion rme ex r t the probe tip. This eliminatestinc discrcpancicsbet*Ecn chenn€ls and channel-to-channelskcwrariations. This is usefulto manuallv adjust any differencesin cablelength nu I menu time Key exil menu Key HP 54510A Front‐Panel Reference This is an unlabelledfield. The time null betweenthe nvo channelscan be setusingeitherofthe entrydevices.The rangeis t 70 ns.
Self Cal menu The self cal menu calibratestwo internd functions: o o cal select Key vertical cal delay and repetitive cal This field selectswhich of the calibration prooessesto perform. The cal selectkey and the hiohlightsdwindow incrementsthrowh G'1 and the activefield in the displaychangesto correspondwith the selection. See Calibration procedurein this shaplsr. SYSTEM CAL ● ●● stort col con t Inue prrnt cols ex i t menu 54510W32 Figure12-6.
channel Key The cfiannelkey selectsthe clrannellq calibrate. start cal Key When the channelto calibrateis selecte4 and the specificcal routine is selecte4 prcssthe startcal keyand follow the instructionsdisplayed. print cals Key The print calskey sendsa completelisting of the mostrecent self calibration factors to a printer, if connectedto the oscilloscope.Refer to the servicemanualfor more information on self calibration and calibration faclors.
ciicker Key The clicker key turns on the clicker function. When the clicker is turned on, an audible click is heard eachtime a key is pressed-The selectionsare either on or off. ac BNC Key The ac BNC key selectsthe output for the rear panelBNC. The probe compensationsignalis a squarewaveof approxirnately500Hz When trigger out is selected"the BNC is a trigger output. Ca:ibrat:on Procedure There arc two lcveL ofcalibration for the HP 54510A.
o Set the rear pancl C.{LIBRATION snitch to UNPROTECTED. . o Select0 in the cal selectfield and calibratethe vertical factors. This routine calibratesthe A.rD,vertical gain,offset, and trigger with the rear panel dc calibator signal. o Select1in the cal selectfield and calibrate the delay and the repetitive factors. This procedureuses the rear panel ac calibrator slgnal. When the softwarecalibrationsare completereset the CALIBRATION toggleswitchon the rear panel to PROTECTED.
Algorithms One of the primary featuresof the HP S+510Ais the ability to make automaticmeasurementson displayedwaveforms.This chapter provides details on how automaticmeasurementsare calculatedand sometips on how to irnproveresults. Measurement Setup Measurementst1'picallyshouldbe madeat the fastestpossiblesweep speedfor the most accuratemeasurementresults. The entire portion of the waveformthat is to be measuredmustbe displayedon the oscilloscope.
Standad Whea any of the standardEeasurementsare requestd the HP 54510A Measurements first determinesthe topbase voltagelevelsattnVo-W%. fvsrn this information, it can determiaethresholds(!0Vo,X)Vo,andl0Vo) neededto nake the measurements."I\el0Vo and90%othresholdsare usedin the risetime and falltime Deasurements.\\e 50Vonidpoint is tsed for measuringfrequency,perio4 pulse widt\ and duty cycle. The voltagethresholdsare precisesettingsand setsspecificlocationson the waveform.
Edge Definition Both rising and faling edgesare defincd astransitional edgesthat must crosstlree thresholds. A rising edgemust crossthe lower thresholdin a positivedireaion (defrniagit asa rising edge),crossthe mid threshold (any number of s1655ings, both positiveand negativeare permissible)and then crossthe upper thresholdwithout any crossingof the lower threshold.
tf firEtdge on minlmumnaveforu ts risltrg then delay = mid-threshold of first rising edgeof maxnavdorm minus mid-threshokl of first rising edgpon min uavcfom else delay = mid-thrcshold of first falling cdgeon min uavdom minus mid-threshold of first falttng edgeon maxuavefom The standarddelaymeasurementoccurswhen in the standardmode (not user-defined)and is not a jiner measurement. standard deLry = mid'thrtshold of the first edgeof second parameter minus nid.
User-definedis the sameasStandarddefinition cxccpt uscrdefincd threshold" - width The - width algoritt- hasstandardand user-definedconsiderations: iF mtedgeぉ Hslng then ‐width=second EISing d靡 ‐lht hlling edge dse ‐width=饉 rst Hsing edge‐ 「 ErStrmng a雌 " Period if 饉r s t e d g e i s n s i n g then penod=second nsing edge・ Frequency frequenw=1/pe」 D」り Cy●le 饉rst nslng e崚 od duty qに le=(+、 議dth/penod)。lCXl Note +就 ahぉ αル4"Gα ′ 側 ra″ご“slttg凛=軸 にshο』 a RIsetime Falltlme 」 setime=time at upper th
Vゎ p Vtop = Bost pr?uslent pointabow rartftom mldpoint Vbm Vbr"" = most prevrlent potnt belmrravdom midpotnt Vamp Vamp= Vtop- Vu"." Vavg Averagevoltageofthe first cycleof the displayedsignalisneasured. If a completecycleis not presentthe oscilloscopeaveragesall data points. Vrms The rms voltageof the first cycleof the displayedsignalis measured.If a completecycleis not present"the measurementcomputesrms on all data points.
Dlfferenthe dt= 0 cn_ c(n_-]) d, r =__ N The equation is the differential waveform of the channel where d represents the differential and c represents the channel. The differential is the volt4ge differences betwEen consecutivs points in tine divided by the time bucket width, At.
Generallnformation DescJtton 盤 悧艦t器鍛肥器l鴛 織 出貯' 5 i ns e aq u le ‐ n c e o C h a n n e l i n p u t i mlp eMdΩ aOnrc5eCヽ s e n s i t i v i t 2y ‐ I Q suntchable. The time baseprovidessweepspeedsfrom 1 ns to 5 s/div in a1-2-5 sequence.Panand zoom canbe usedto expanda displayedwaveformfor a detailedview. An externaltrigger input with 1 MQ or 50 Q switchableimpedancecanbe combinedwith the channeltriggersfor complexttiggeriog functions.
Accessories Available The following accessoriesare availablefor usewith the HP 51510A. o o o r o o o o o o o r o o o o Options HP 104374Ll50 Q probe (2n) HP 10438Atl probe (1m) HP 1043941:l probe (2n) HP l04r''lr'. 10:11MQ probe (2n) HP 10002A50:1l MQ (1000V peak) probe HP 10020AResistiveDivider Probe Kit HP 1-L37A1000:1Highvoltagedividerprobe HP 11i}3ATV /ideoSpcPod HP 1141ADifferential Probe HP ffiL4175 RackMountKit HP 149+0015Rack Mount Slide Kit HP LY{).
PgffOfmancg Thefollowingareperformance specifications for theI{p 545104 Disitizinsoscilloscope' Specifications Vertical Bandwidih (-3dB, dc coupled):l dc to 250MHz Risefims2 1.4ns Input R (selectable): 1MO + lVo or 50C2x.lVo Maximum InputVoltage3 I Mf,l t 250V [dc + peakac(< 10kHz)] 50 Q:5 Vrms Olfset Accuraqra t (lVo of cbanneloffset + 27oof full scale) (dc) a5 VoltageMeasunement^A,ccuracy Dual Cursorl + (L.25Vo of fullscale + 0.032x V/div) +(\.?SVooffullscale+ offsetaccuracy SingleCursoT2 + 0.
NOTES 1. Upporbandwidthreducesby 25 Mlh ior eachoCabow gt'C. BandwidthIn Repetitirre mode is typicallygreatsrthan 300 Mlt. 2, Rbe time tiguresarecalculaiEdfrom: t, = 0.35/Bantlwidth. 3. On rangesS 50 mV/div,the maximumowrdriveof ths inputmustnot excaed100V. 4. Magnification is usedbelow7 mV/divrangeso wrtical resolution andaccuracies are conesponclingly reduced.Below7 mV/div,full scaleis d€tinsdas SOmV. 5. Voltagemeasurementaccuracydecreases0.08%per oCfrom firmwarecalibration temperature.
Verticat Resoludon:28 bits orrcr8 divisions(x,A.4%),10 bits via HP-IB with averaging(+ O.1 o) Maximun SampleRats l GSa/s Waveform Recordl*ngth:3 8001pointsreal tine,50l points repetitive Input C:7 pF nominal Input Coupling: ac,dc Offset RangeVertical Sensitivity Available O L mV - 50mV/div >50 mV - 250mV/div >250mV- 1.25Vldiv >L.?5V-5V/div !2V + 10V +50V +250V D5mamicRange t 1.
Horizontal TImc BascRange: 1ns/divto 5 Vdiv fime BaseResolution: 20 ps DelayRange(post-trigger): 10,000x (ddiv) Delay Range (prCtrigger) Time/div Sefting 1 ∞ n S ‐5 s / d i v l ns‐50 ns/div Available Delav -1“ -8μ X(S/diVl s Trigger TH8er Pulse WEdth(minimump lntemal: 1.75 ns Emmal: 2.8 ns Trigger Level Range Internal: t 1.5 x full scalefrom center of scteen Extemah t 2 V Operating Thcfou。 Characteristics Vertical 続 ng arc Opcrating charaderlsttt ofthe HP 54510A Digi“ デng p C.
Bandwidth Limit (HF Reject): Provides low pass filter with a - 3 dB point at approximately 30 MHz for both triggering and sipal display. Can be selected for each vertical input individually. LF Reject Provides high pass frlter with a - 3 dB point at approximately 450Hzfor triggering and vertical signal. Can be selected for each vertical input individuatly. ac Coupling: Provides high-passfilter with a - 3 dB point at approximately 90 Hz for both triggering and signal display.
The HP 54510A'sgrpicalperformancefor a singleacquisitionis shown below: Frequency Fun scale Half scele 50 kHz 1 MHz 20 MHz 50 MHz 1∞ MHZ 250MHz 7.2 5,7 63 5,6 5.0 4.9 7.0 6.4 5.0 2 5。 7.4 For more information about effective resolution, please contact your Hewlett-Packard salesoffice, and ask for Product Note 51804-2, Dytanric Perfonnance TestingofA to D Conveften, (pub # 02-5952-7629). Horizontal Pan and Zooml.
Time Quallfied Pat&n Ttlggen A trigger will occur on the first edgeto exit a pattern onlyif it meetsthe specifiedtime criteria The arailable time quelified modesare (user-specifiedtime is in brackets): . . pattem present < [tine] pattern present > [tine] ;";:."',-J-::::;:i:"i (, 3v.!L2ns) rhe time filter recoverytime is s 12ns. In the ipattern present < [timel" mode, the pattern mustbe presentfor more than 1.75ns, (2.8ns for the externaltrigger) before the trigger will respond.
TV Tdgger ffillzt SE Lines: Trigger souroeis selectedto be any one of the three inputs. Trigger level is adjustablefor the selectedtrigger aouroe.Polarity is selectedfor positive or negativeqnchronizing pulsas. A trigger oocurs on the selectedline and field of.aZ,lI interlaced compositevideo signal. Line numberingis I to 263for field 1 and 1 to ?62 for freld 2. This TV trigger mode is compatiblewith broadcaststandardM.
Disphy Data Dlsptay Rcsoludon: 451points ho'rizontallyby256points verticaly. Number of Scrccns: 1 or 2 screenscanbe scleaed. This can provide overlappingchannelsor nemories for comparison,or separatedisplap on a split viewingarea. Display Modes Graticules: The usermay choosefull gna, axes,frame, or no graticule. Connect-the-Ilots: Providesa continuousdisplay,connectingthe sample points with straightlines.
fime Basein Realtime Mode SinglePersistenceOne waveformdata valueis displayedin each horizontal time position. The entire waveformis replacedwith eachnew acquisition. Infinite Persistene: Waveformdata is allowedto continuously accumulateon the scree& and remainsuntil displayis cleared. OversamplingFilten On time/divisi6nssltingswhen lessthan 5fi) points are acquired acrossthe screen(= 20 ns/div) a built-in digrtal frlter automaticallyreconstructsthe data.
Automafic hlse Panmeter Measurtments:The I{P 54510Aoffen 17 automaticpulse parametermeasuremsntsfrom the front panel (shown below) and additional measurements via t*-fn including,a4 Ovenhut, andPreshoot The standardmeasurementsare performed with1;0Vo, 50Vo,and90Vovoltagethresholds,asdefined by IEEE standardlg+IVn, "IEEE StandardPulseTerms and Definitions.
hardcopydevice. In additioq the HP-IB ServiceRequestline canbe set to 0ag the controller. Measurementlimit test canbe set to stop after test limis havebeen exceede4or to continuetesting Setup A‖ ● Autoscals Pressingthe Autoscalebutton automaticallyadjuststhe vertical and horizontal deflection factorg andthe trigger level for a displayappropriate to the sifals applied to the inputs.
SequcntialSingle*hot Data Acqutstdonand llansfcr Rate Using the I{P-IB comnand lRaw Data" the HP 54510Acan automaticallycaptrne, store, and label a waraform; and re-arm the trigger; and then repeatthis pr(rce$ until the HP 5,4510A'sentire 150kRAM (volatile) is filled. Once the spccified numberofwaveformshavebeen capturedand store4 the HP 5+510Acan transfer the entire block of waveformsto the esernal computer. Userscan speci$ the number of poins to be stored and the number of waveformsto be captured.
Ihta Tlansfer Rate Approximate[ m kBytesper second. kobe Compensatlon,ac Calibrator Output A 500Hz (approx.) square waveis provided for probe compensation.A probe-to-BNC adapteris usedto connectthe probe to the rear panel Probe CompensationBNC output. During instrument self-calibratioq this output is usedto provide other calibration sipals, asdescribedin the ServiceManual. This sameBNC connectoris usedfor trigger output.
Solutions: Hewlett-Packard'sSystemEngineeringOrganizationcanhelp you configurean HP-IB s,rstemand provide softr*'aresupportfor your application,developingsolutionsto rDeetyour measurementneeds. Contactyour HP Salesand Serviceofhce for more information.
PowerRequirements Voltags:n5f23o V ag - 2SVoto+l5Vo,8-61:IzPonen 350VAmaximum. Weight Ne&approximately10kg (221b). Shipping: approximately20 r{C(44 lb). Dimensions Refer to the outline drawingsbelow.
Index Automatic measurements,1-1,A-1 AutomaticTopBase,A-2 AUTOSCALE IGn 35 Available Accessories,2-\B-2 availableoptions,B-2 awaitingtrigger, U2, 63 axes,7-6 + width, A-4 - widtb, A-5 A AiD acquisition test, 12-6 abort Key, L2-6,L2-8,Lz-l! B blue key,39 accessoriesr 2-1 AccessoriesAvailable,B-2 AccessoriesSupplied,B-1 acquisition relationship to timebaseand samplerate,{2 acquisitionstatus,3-2 acquisitionTest, 12-6 acquisition,realtime, +4 acquisition,repetitive, 4-4 acquisitions,42 add to memoryKey, 1
key (continued) FIIYE!'9 Function,9-2 Hardcopy,33 holdoff,63,G10, GI6,GB level (adjusVcentered),63 leveVpolarity,G28 line,628 Incal, g-g meas/measde?measlimit, 11-3 more,5-4 nonvoliatile,10-2 offVframelaxedgi{ 7-6 offset,94 offset,channef5-2 operand,9-3 operator,9-3 or if , LL-8 paper lengt\ 12-3 patterq 6-8 present,616 probe,54 quali$ os 6-20 RECALL,3-5 reference,4-3 repetitive/realtine, {-4 rms (ac,dc),11-3 SAVE,3.
MeasueDefinq 11-4 Measuelimit, tt-7 measurementlimit rcst after autoscale,15 MeasurementSelection,11-2 MeasurementSetup,A-1 neasurementsafter autoscale,35 Memories,SHOW,35 nemorybar,4-5 menu chaanet 5-1 Menug 37 Menus sectioD,17 MiscellaneousTest, 126 morekey,5-4 N negativedelay,S3 noisereject Key, G3 nonvolatileKey, 1&2 nonvolatilememory 10-2 # ofscreens,T-5 nrneric kelpad 3-8 o offsetKey,5-2,94 offsetlevelfor ECL,5-5 offsetlevelfor TTL,5-5 Offset, hysteresis,triger c:.
sctting after autoscalg 35 Setup,3-4 R SetupAids (opeeratingcharacteristics),B-14 SETUP section,34 shift key,39 ram test, 126 Shippingan instrument 2-2 range,610 SHOW display,&11 realtime acquisition,4-4 SHOWKey,3{ Realtime Mode (operatingcharacteristics),B-12 SINGLEKey,13 Rear PanelLayoug 2-3 singleshot RECALLO,}5 Real Time Mode,4-11 RECALL CLEAR, },5,3.11 singleshot RECALLKey,3-5 RepetitiveMode,48 refErenceKey,4-3 single-shot repetitive acquisition,4.
s*Eepspce4timddivisionfunction,4-1 SYSTEMCONTROLkep,S2 T I triggerpoint position abovememorybar, 45 talk only, 12-2 talk onlymenrq 12-2 Test acquisiiton,126 loop,12{ 1n nrL24 romo72.
Vpp, A-5 VrmsrA{ Vrms (ac), ,{6 Vrms (dc), A-6 Vtop,A{ w Waveforn Math (Operating Characteristics),B-12 WaveformMath Exercise,9-7 waveformmath functions,autoscale4 95 WaveformMath Menrr"9-1 waveformMenu, 10-2 WaveformSave(operating characteristics),B-12 WaveformSaveExercise,10-4 WaveformSaveMenq 10-1 waveform/pixelKey, 1Gl waveformlpixelmemorydisplayafter autoscale,3-5 Weight, B-18 whenentered"G9 when exite4 G9 whenKey (panern sriger mode),6-9 when Key (statetrigger mode), G15 whenpresent,G10 z 796,rning4
