HP Archive

1 HP Archive This vintage hewlett packard document was preserved and distributed by www. Please visit us on the web ! On-line curator: Thomas Chrapkiewicz ~OloNll.:I: ,OPERATINGANDSERVICEMANUALSINEIS :I:~NoIQ hewlett "PACKARDCERTIFI ' ,or,inthecaseofcertainmajorcompo-nentsli stedintheoperatingmanual, , ,Loveland,Colorado, (Cont'd) (SineWave) (SineWave) (SineWave) (SquareWave) (SquareWave) (SquareWave) .. , (AI)7-3 (A2)7-5 :4 Hzto2 MHzin6 :+/-3% +/-1%+ +/-1%+/-5% + :+/-5% +5%-1%+ +/-1%+/-5%(Hz)4 Distortion:100300k1M2M-EXTERNALSYNCHRONI ZATION- \--NORMALMODE/*- , \50Q:Ict:; \ :Sinewaveinphasewithoutput;amplitudework inginto1 , Vrmsinput,syncfrequencycanbeasmuchas+/-7 %awayfromsetfrequency(syncrange).

2 Syncrangeisa :5 Vrms(40mW)into600ohms; + :Instrumentwilloperatewithinspecificatio nsfrom0%C to55% :40%Cto+75%CPower:AC-Line115 Vor230V+/-10%, :RefertoFigure2-1, maximumof10voltsrmsintoopencircuitfroma 600ohmload, ,atfrequenciesbelow20kHz, 5voltrmssyncinput,theexternalsourcemayva ryasmuchas+/-7% (prefix)identitiesa (suffix) letterisincludedwiththeserialnumber, ,a ,powerandgroundingrequirements,installat ioninformation, , ,mea , (+/-10%), ,movethevoltageselectorswitch(locatedont herearpanel) ,theNationalElectricalManufacturersAssoc iatfon(NEMA)

3 Three-conductorpowercablewhich,whenplugg edintoanappropriatereceptacle, two-contactoutlet,usea ;therefore, ,theinstrumentshouldnotbeoperatedwhereth eambienttemperatureexceeds550C(1310F). ,readyforuseasa ( ).Theadapterframeisa ,addressinquiriestoyour-hp-SalesandServi ceoffice.(SeeAppendixB forofficelocations.) (-hp-Model1051 Aor1052A).TheCombiningCaseisa , ; ,contactyourlocal-hp-SalesandServiceOffi ce.(SeeAppendixB forofficelocations.) ,attachatagtotheinstrumentidentifyingthe ownerandindicatingtheserviceorrepairtobe accomplished; , , , , "DELICATEINSTRUMENT","FRAGILE" :209 ATOP8(203,21"-----------,,L~5i('30'21~~t ( )DIMENSIONSININCHESAND(MILLIMETERS)[TSID E6f2~(154,e)~e"~ """"I"'AX60003910,",-LINESELECTORo~IIS/2 30V 10%48-440"" ,OWNORMOISl.))]

4 ""~~~~~ ~ :VariesSquareWaveoutputlevelto20voltspea k-to-peak, :VariesSineWaveoutputlevelovera 20dBrangeto10voltsrms,opencircuit(5volts rmsinto600ohms).CDSineWaveOutputTerminal :600ohmsinewaveoutputata :(1)Inputterminalforanexternalsyncsignal .(2) :Connectsthefloatingcircuitgroundtopower ground. VoltageSelectorSwitch:Selectslinevoltage of115voltsor230voltsAC. (Figure3-1), , , , dcpotentialofnotmorethan+ dcvoltageupto+/-500voltsisconnectedbetwe enthegroundconnectorsontherearpanels, , , syncoutputsignaloracceptsa voltsrms,theoscillatorwillremainsynchron izedatfrequenciesof+/-7% ,ifa harmonicornon-sinusoidalwaveformisusedto synchronizetheModel209A, non-sinusoidalsyncinputof2 voltspeak-to-peak, , , +>-6Ul('l)(").

5 O':::3<:BRIDGECIA~%~~PEAKCOMPARATORAMPLIFIER") ~ +R28R24 AGCRI6R8////(IIIII~/ IFREQUENCYr<IDIALUIIII:?i<CIB1/viJ::~;uoI<:m" ::o0-~tvo\0;I>.'~ discussionofeachblockindicatedontheBlock Diagram,Figure4-1, bufferamplifierandtoa , ,R8,CIB, ,Xc=Randthemaximumratioofoutputvoltageis suppliedtotheamplifier(seeFigure4-2).The characteristicsoftheWienbridgearesuchtha ttheoutputvoltagetothe+ ,tomaintainunitygainandoscillation,thene gativefeedbacknetwork(R28,R24andAGC)wasd esignedwitha dividerratiooftwotoone,togivetheamplifie ra solid-state, , dynamicresistance,variablewithchangesing ain, ,theAGCgivestheamplifiera , , , ,a "dynamicresistance"oftheAGecircuitisa ".

6 ~//--""--~///~I------PHASEEpfsPOSITIVEFE EDBACKVOLTAGETOAMPLIFIEREo"OSCILLATORCIR CUITOUTPUTVOLTAGEF0" , ; tunneldiodewhichproducesa ,refertotheOscillatorSchematicDiagram, , AICR7, , ,AlR24,AlR25, ,developinga negative , , , , , , , seriesregulatedpowersupplyfurnishing+ referenceforthepositivepowersupply, , , , :+/-1count-hp-Model5233 LCounterRange:4 Hzto2 MHzACVoltmeterRange:10 Hzto2 MHz-hp-Model400 ESensitivity:1 mVto10 VAccuracy:+/-2%DCNullSensitivity:10uVto2 0V-hp-Model419 AVoltmeterAccuracy:+/-2%offullscaleDisto rtionRange:5 Hzto600kHz-hp-Model334 AAnalyzerFundamentalRejection.

7 Greaterthan60dBTestRange:10 Hzto2 MHz-hp-Model651 BOscillatorOutput:5 VrmsopencircuitOscilloscopeFrequencyRang e:4 Hzto-hp-Model140A20 MHz(plug-ins)1402 ASweepSpeed:50nsec/cml420 AThermalAccuracy:+ :5 Hzto2 MHzVoltageInput:5 :fxd400pF(2) :fxd1 :fxd300ohms+ :fxd150ohms+/-1% :fxd600ohms+/-1% :fxd100pF+/-10% ,adjustmentandcalibrationprocedures, ,otherequipmentmaybesubstitutedprovidedi t ,periodicmaintenancechecks, , + + + + + +/-6 HzXlOO2200Hz+/-6 HzX1005500Hz+/-15 HzXlOO202 kHz+/-60 HzX1K22kHz+/-60 HzX1K55kHz+/-150 HzX1K2020kHz+/-600 HzXlOK220kHz+/-600 HzX10K550kHz+ +/-6kHzXlOOK2200kHz+/-6kHzXlOOK5500kHz+/ -15kHzX100K202 MHz+ coarseadjustandthe50ohmcontrolshouldbeus edasa fineadjusthp209 AOSCILLATOR@ELECTRONICCOUNTERhp5233 LII.

8 O~II@@]b00@ > @D00'i>@@'i>'i>I II II,----------,---------209A-B-I662 THERMALCONVERTERhpH08-II049 ABUCKINGSUPPLYr--------------,IIIII6500n IIII~ '-------~~50 IlIIII~--------------~ , , 100%= + ,theoretically, (M)canbedeterminedbymeasuringtheoutput(E i)foragiveninput,doublingtheinputandagai nmeasuringtheoutput(EF).Themultiplierist hendeterminedbythefollowingformula:M= ~ +5%-1%+/-1%10X2+5%-1%+/-1% +5%-1%+/-1%10X10+ + + + + + + +/-1%20X100K+/-5% @2 MHzNOTCHFILTER~r--------------,III30 PFI@QOOIIIi@ II@@ , , , (SINEWAVE).

9 ,andtheModel209 Asinewaveamplitudetomaximumata voltsrms, (SINEWAVE). (SINEWAVE). :Mode1209A:Dial2 (SQUAREWAVE). , ,usinga lowcapacitance10 @~@v(;(;BALANCENETWORK@ @@ dividerprobe,settheModel209 Afrequencyto2 MHzandtheoscilloscopesweeptimeto50 ,usinga lowcapacitance10:1 , (50nsec). (SQUAREWAVE). :1dividerprobe, , , + , ,indicatinga syncrangeof+/-7%at5 @ I~I(I) 00@<fELECTRONICCOUNTERhp5233 Lhp209 AOSCILLATORThpl402 Ahpl420 AlOSCILLOSCOPEhpl40Ao 0[QJ ~0(/I).0000~-- + +21 Vand-21 Vrespectively, +/-1V, (BIAS).))]

10 (BIAS)for0 (AGC). (AGe) , (AGCandFREQCAL) , throughcifthevoltageat2 ,adjusttheDialfor20kHz+ , :Frequency20kHzminusaveragefoundabove+ + :X2+5%XlO+1%XI00-1%XIK0XI0K+2%Mostpositi veerror+5%Mostnegativeerror-1%Averageerr or(+5%)+ (-1%)=+2%2 Adjustfrequencyfor19,600Hz+ ,adjustC5(HIGHFREQCAL)toindicate2 MHz+ ,MODEtoMANUAL, (DIST) ,R45, , ,9,15, , xlOOK,turnthesinewaveamplitudefullyCW,an dcheckfora , 20 VPopsquarewaveoutput, ,Figure7-1, batteryoperateddcvoltmeter, , , :Tolerance:RangeDial-X224Hz+ + + + + +/-6 HzXI002200Hz+/-6 HzX1005500Hz+/-15 HzX100202kHz+/ 60 HzXIK22kHz+/-60 HzXIK55 kHz+/-150 HzXIK2020kHz+/-600 HzXIOK220kHz+/-600 HzX 10K550kHz+ +/-6kHzX100K2200kHz+/-6kHzX100K5500kHz+/ -15kHzXlOOK202 MHz+/-60kHzFlatness: +5%-1%+/-1%X210+5%-1%+/-1% +5%-1%+/-1%XIO10+ + + + + + + +/-1%X100K20+/-5% ,-hp-partnumberofeachpart,togetherwithan yapplicablenotes, (TQcolumn).