HP 8662A Service-Handbuch

OPERATINGANDSERVICEMANUAL

MODIFICATION

MODEL8662A

OPTIONH08

SYNTHESIZEDSIGNALGENERATOR

HowtoUseThisInsert

ThisManualModificationInsertshouldbeusedinconjunctionwiththeHP8662AOperatingand

ServiceManual,VolumeI (HPPartNumber08662-90061)andVolumeII(HPPartNumber

08662-90062),bothprintedFebruary1982.MakethechangesdescribedinthisInserttothe

indicatedSectionsoftheOperatingandServiceManuals.

ApplicableSerialNumbers

ThisManualModificationInsertappliestoinstrumentswithserialnumberprefixesgreaterthanor

equalto2413A.

UpdatestothisManualInsert

Periodically,changesaremadetotheManualInserttocorrecterrorsintheoriginalprintingandto

includeOptionimprovements.Correctionsareindicatedbya markattheright-handedgeofthe

modifiedtext.Themarkusediskeyedtothedatethecorrectionsareadded(foundonthiscover

belowtheissuedate).

ManualModificationInsertIssuedJune1984

HPPartNumber08662-92038

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page

of11

SECTIONI.GENERALINFORMATION

OptionH08tothe8662ASynthesizedSignalGeneratorprovidesaninternal60MHzRFSignal

fromtheLODriversectionoftheinstrumentoutputa rear-panelconnector. Thisoptioncannotbe

orderedwithOption001orOptionC02becausetherear-panelMODINPUTconnectorlocationis

utilizedforthe60MHzOUTPUT.

Onpage1-9,inTable1-2,SupplementalCharacteristics,addthefollowingunder

FREQUENCY:

60MHzOUTPUT(highimpedancesource):

60MHzsinewavesignalavailablefroma rear-panelconnectorata nominallevelof

>0dBminto50ohms.Donotapplyreversedc,acorRFpowertothisinput.

SECTIONIII.OPERATION

Onpage

3-1,

addthefollowingunderparagraph3-2,OperatingCharacteristics:

TheHPModel8662AOptionH08maybeoperatedasa standardinstrumentwhen

OptionH08isnotinuse.Nosignificantdegradationofstandardspecificationswill

resultfromuseinthisconfiguration.

Onpage3-17,replacepartofFigure3-7,RearPanelFeatures,withthepartialFigure3-7A,

RearPanelFeatures,onpage5 ofthisInsert.

SECTIONIV.PERFORMANCETESTS

OptionH08tothe8662Adoesnotaffectanyperformancetests.

SECTIONV.ADJUSTMENTS

Certainadjustments,suchas5-8,the40MHzCRYSTALFILTERADJUSTMENT,5-9,the

160MHzand640eMHzBAND-PASSFILTERADJUSTMENT,land5-10,the480 MHzBAND

PASSFILTERADJUSTMENT,directlyaffecttheRFlevelofthe60MHzOUTPUTsignal.

Therefore,usecautionwhenmakinganyadjustmentsonOptionH08,andverifythe60MHzRF

levelaftermakinganysuchadjustments.

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page2 of11

SECTIONVI.REPLACEABLEPARTS

InTable6-3,ReplaceableParts,addordeletethefollowingpartsasnoted:

Add

Del

Page

No.

Refer.Desig. HPPart

Number Qty Description

6-64

6-65

6-66

6-93

6-101

A6A2

A6A2J3

08662-60114

08662-62029

A6A2MP10

A6A2W1

All

A11MP1

A11MP2

A11MP3

A11MP4

A11A1

A11A1C1

A11A1C2

A11A1C3

A11A1C4

A11A1J1

A11A1J2

A11A1L1

A11A1L2

A11A1R1

MP109

MP112

MP127

0361-1076

08662-22030

2190-0124

2950-0078

08662-62030

11710-80001

11710-80002

2190-0124

2950-0078

08662-62031

0610-3879

0160-4527

0160-4389

0160-4527

1250-1220

9100-2250

0698-7228

08662-00028

08662-02028

08662-00216

08862-02030

0590-1011

2950-0035

LODriveAssembly

LODriveAssembly,OptionH08

NSR,P/OA6A2W1

Eyelet,RollFlange,0.047"OD,

0.093"L

Cable,Semi-rigid(IncludesA6A2J3)

Lockwasher,#10,0.195"ID,(forA6A2J3)

Hexnut,10-32thd,

0.067"thick,

(forA6A2J3)

60MHzLowPassFilterAssembly

Cover,Bottom

Can,LPF

Lockwasher,#10,

0.195"ID

Hexnut,10-32thd,

0.067"thick

60MHzLowPassFilterBrd.Assy.

Cap-Fxd

0.01

uF+/-20%lOOVdcCer

Cap-Fxd56pF

+1-5%

200VdcCer

Cap-FxdlOOpF

+1-5%

200VdcCer

Cap-Fxd56pF

+1-5%

200VdcCer

RF-conn,SMCmale,P.C.,50ohm

InductorRF-CH-MLD180nH10%

Res-Fxd,464ohm,1%,

0.05W

Deflector,Air

Deflector,Air,OptionH08

RearSupportPanel,BNC

RearSupportPanel, BNC,OptH08

KurlNut,15/32-32thd,

0.12"thk

Hexnut,Dbl-Chm,15/32-32thd

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page3 of11

Table6-3.ReplaceableParts(Cont'd):

Add

Del

Page

No.

6-101

6-103

Refer.

Desig.

MP128

W102

W103

W103J1

HPPart

Number

2190-0068

2190-0102

08662-62027

08662-62028

1250-0870

Qty

Description

Washer-Lk,IntlT 1/2",0.505"ID

Lockwasher,IntlT 15/32",0.472"ID

CableAssy.(957),flex., 50ohm

CableAssy.(956),flex., 50ohm

RF-conn,BNCfern,50ohm

SECTIONVIII.SERVICE

Onpage8-203,intable8-202,FailuresAssociatedWithExternalconnectors,incorporatethe

following: Connector

60MHzOUTPUT

TroubleshootAssembly(ServiceSheet)

A6A2(21)

All(21A)

Onpage

8-205

(ServiceSheetA),inFigure8-201,OverallBlockDiagram,replacesectionC

withthefigureonpage6 ofthisInsert.

Onpage8-215(ServiceSheetC),inFigure8-206,ReferenceSectionBlockDiagram,

replacepartofthediagramshowingA6A3andA6A2withthefigureonpage7 ofthisInsert.

Onpage

8-408

(ServiceSheet21),addthefollowingafterthelastparagraph:

DescriptionofOptionH08Modification

TheA6A2LODriverAssemblyhasbeenmodifiedbytheinstallationofa semi-rigidcable

connectedbetweenpin2 ofUlA andanaddedsubminiaturecoaxialconnector(partofthe

semi-rigidcable)ontheshieldedcoverfortheassembly.ThisSMCconnectorislabeled"J3

OUTPUT,60MHz".Fromthisconnectora flexible coaxialcable(W102)routesthe60

MHzsignaltotheAl

60MHzLowPassFilterAssemblymountedontheairdeflectorat

therearoftheinstrument.

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page4 of11

Fromthe60MHzLowPassFilterAssemblya flexiblecoaxialcable(WO13)routesthe60

MHzsignaltoa BNCconnectormountedontherearpanel.Also,

jumperwirehasbeen

installedbetweenA6A2U2pin10andA6A2U2 pin15(ground)toenabledividerA6A2U1

atalltimes.

Alsoonpage

8-408

(ServiceSheet21),addFigure8-410A,PictorialViewofModified

A6A2Assembly,asshownonpage8 ofthisInsert.

Onpage

8-409

(ServiceSheet21),inFigure8-411,A6A2ReferenceSectionLODrive

BlockDiagrams,replacethediagramatthebottomofthepagewiththediagramonpage9 ofthis

Insert.

Alsoonpage8-409,inFigure8-412,A6A2ReferenceSectionLODriveSchematic,replace

partofFigure8-412withthepartialschematiconpage10ofthisInsert.

Afterpage8-409,addpage8-409A,(ServiceSheet

21A)

containingFigure8-412A,theAll

60MHzLowPassFilterSchematic,shownonpage11ofthisInsert.

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page5 of11

640KHzOUTPUT.AKCfnultconnector

tnp«dmc«IsapproximatelySOonm.Output

lavellafcuttrthan0 dBoInto50oh»a.

2-AXISBLAMCIMC/MARKER.BHCfeaalaconnector

Load1«pedant*shouldb*«eleatt1 koha.

Provider• 250u».TTL-HlghpulaeattS«

□c«liuiln|ofeachfrequencychangefarblanking

a*veptdisplay(to elininjtedisplayofsvitch-

logcrjtiKi«ntc>.Goestom.-lovduring(•-

nalndaroffrequencystep.Coax

A nonlnal

-5V(Intarnally»dJuita»Ubetween-2and-ftV)

forZ-Axl«Intensityaariiar.

BLECTMMCFRirjUESCYCONTROL.SSQ faoal^)

earns*etor.Provide!inputfoea voltaeeI

froa-»10Vdcto-Ml Vdc«htchproduce*a /"

Blnlaumof1 Mivariationinthu|0MHz(

outputoftheinternalretetenca.J

FEULIFT.BNCfenaleconnector.ControlLed

fcy SingleSn«Bpnode.rn,-Hi|hfjrpun-up;

TTt-'Low(orpin-down.

AUXFKINPUT.BNCfaaalaconnector.Input

InpcdiTKeliapproximately5 kohasDCcoupl

Foraorcdetaili,see

JUR*

3-fiA.

FIGURE3-7A.RearPanelFeatures

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOption

H08

08662-92038

Page

6 of11

uE5iIII™L!j

O--

EXT~INPUT

I v_

INTERNAL

MHZ

REFERENCE

OSCILLATOR

FREQUENCY

DOUBLERS,

DIVIDERS,

AMDMIXERS

_y'"OUTPUT"1

[_10MHZ__]

A6X3J4

AfolOJ?

A6A10J4

A6A1J3

A8A5J2

A8A5J3

A8A5J4

AUA1J2

A2FL1J2

REFERENCESECTION

C2p>

OvenVoltage

-- • fromPowerSupply

<ir>-

-C5T5>-

<1>

<2>

<Z>

-C93Z)-

"©-

W31

W32

-$-

"3~

W40

-9-

W37

-s-

W38

W103

vis

j'320-640MHz,Af-20MHz

~Vt0

Reference

Sum

Loop

-ri20MHz

toFM

Loop

20MHz

(CH)

FMSum

Loop

20MHz

CoReference

Sum

Loop

-{ 10MHz

toN

Loop

lOMKz

toModulationSection

10MHz

toFractional-NLoop

—(

ri9lSiil2SlEk?j

./520MHz

\to

OutputSection

PART

SERVICESHEET

PART

FIGURE

8-201,

OverallBlockDiagram.

HEWLETT-PACKARDCOMPANY

SpokaneDivision

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page7 of11

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«m

1_LJVO

LUO C

^C\JO

LTi | -r-

+->

LU(J

OUJ1)

>■

UJM

t/3U-.E

u_u.s^

oo <u

I—I—

<L>

24001E.MissionAve,LibertyLake,WA99019-9599

U.S.A.

8662AOptionH08

08662-92038

Page8 of11

A6A2ASSEMBLY

t A J A Jl

ol2J

JUMPERWIRESON

CIRUITSIDE.

OFBOARD

FIGURE8-410A.PictorialView

Modified

A6A2Assembly.

24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08

08662-92038

Page9 of11

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3> 3>

■x. TO

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<-"3=>O O

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►—*

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2-tiinzi

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-s

TDCO

(/)

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-n

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-5

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—it

1X3

-s

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-S

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24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

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