Clifton LAboratories Z10040b Installation and operating instructions

Z10040B

BroadbandNortonAmplifier

AssemblyandOperationManual

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ersion1.3August2009

CliftonLaboratories

7236CliftonRoad

Clifton,VA20124

(703)8300368

www.cliftonlaboratories.com

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Z10040BConstructionandOperationsManualPage1

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TableofContents

ModelZ10040BBroadbandNortonAmplifier............................................................................................................3

TrademarksandCopyright........................................................................................................................................3

Warranty...........................................................................................................................................................................3

SafetyInformation..............................................................................................................................................................4

GeneralInformationandSpecifications....................................................................................................................5

Description.......................................................................................................................................................................5

Specifications...................................................................................................................................................................6

Assembly................................................................................................................................................................................7

PartsProvided.................................................................................................................................................................7

Errata:...............................................................................................................................................................................13

ComponentLayout......................................................................................................................................................14

AssemblyOrder............................................................................................................................................................16

PostConstructionAdjustmentandCheckout..................................................................................................26

InputandOutputConnections...............................................................................................................................29

SchematicandTheoryofOperation..............................................................................................................................32

TheoryofOperation....................................................................................................................................................32

Schematic........................................................................................................................................................................35

TroubleshootingGuide..............................................................................................................................................36

VoltageData...................................................................................................................................................................36

ResistanceData.............................................................................................................................................................37

AppendixATypicalPerformanceData.........................................................................................................................38

Bandwidth...........................................................................................................................................................................38

ThirdOrderIntermodulation......................................................................................................................................39

SecondHarmonic..............................................................................................................................................................40

1dBGainCompression..................................................................................................................................................41

InputVSWR.........................................................................................................................................................................41

CommonModeRejection...............................................................................................................................................42

NoiseFigure........................................................................................................................................................................43

AppendixB–PCBMountingHoleDimensions.........................................................................................................44

AppendixC–NortonAmplifierPatent,USPatentNo.3,891,934.....................................................................45

AppendixDIP3,NoiseFigureandGainPerformanceversusOperatingVoltage.......................................51

AppendixEManualBackdating.......................................................................................................................................54

Z10040BConstructionandOperationsManualPage2

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Z10040BConstructionandOperationsManualPage3

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ModelZ10040BBroadbandNortonAmplifier

Version1.22009

(c)2009JackR.Smithd/b/a/CliftonLaboratories.

LastRevised29August2009

TrademarksandCopyright

Materialinthisdocumentcopyrighted©2009CliftonLaboratories.Allrightsreserved.Itis

providedtoallowtheZ10040Bpurchaserstomaintaintheirequipmentandsuchotherpurposesas

maynotbeprohibitedbylaw.

Warranty

Thiswarrantyiseffectiveasofthedateoffirstconsumerpurchase.

Whatiscovered:Duringtheninety(90)daysafterdateofpurchase,CliftonLaboratorieswill

correctanydefectsintheZ10040Bduetodefectivepartsorworkmanship(ifpurchasedasan

assembledunit)freeofcharge(post‐paid).YoumustsendtheunitatyourexpensetoClifton

Laboratories,butwewillpayreturnshipping.CliftonLaboratories’warrantydoesnotextendto

defectscausedbyyourincorrectassemblyoruseofunauthorizedpartsormaterialsor

constructionpractices.

Whatisnotcovered:IftheZ10040Bispurchasedasakit,thiswarrantydoesnotcovercorrection

ofassemblyerrorsormisalignment;repairofdamagecausedbymisuse,negligence,orbuilder

modifications;oranyperformancemalfunctionsinvolvingnon‐CliftonLaboratoriesaccessory

equipment.Theuseofacidcoresolder,watersolublefluxsolder,oranycorrosiveorconductiveflux

orsolventwillvoidthiswarrantyinitsentirety.DamagetotheZ10040Borequipmentconnectedto

itcausedbylightningstrikesisnotcoveredunderthewarranty.Whetherpurchasedasan

assembledunitorasakit,alsonotcoveredisreimbursementforlossofuse,inconvenience,

customerassemblyoralignmenttime,orcostofunauthorizedservice.

Limitationofincidentalorconsequentialdamages:Thiswarrantydoesnotextendtonon‐

CliftonLaboratoriesequipmentorcomponentsusedinconjunctionwithourproducts.Anysuch

repairorreplacementistheresponsibilityofthecustomer.CliftonLaboratorieswillnotbeliablefor

anyspecial,indirect,incidentalorconsequentialdamages,includingbutnotlimitedtoanylossof

businessorprofits.

UndernocircumstancesisCliftonLaboratoriesliablefordamagetoyourequipment

connectedtotheZ10040BresultingfromuseoftheZ10040B,whetherinaccordancewith

theinstructionsinthisManualorotherwise.

Z10040BConstructionandOperationsManualPage4

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SafetyInformation

TheZ10040Boperateswithauser‐suppliedDCpowersupplyof13to15Voltsat100to120mA.

TheZ10040B,althoughdesignedasalowsignallevelpreamplifier,iscapableofRFoutputpower

approachingthe1wattlevel.Thisoutputpoweriscapableofdamagingreceiversorthereceiver

sectionofatransceiverortestequipment.Itistheuser’sresponsibilitytoensurethattheZ10040B

isproperlyconnectedtowhateverdevicesitwillbeusedwith.

TheZ10040Bhasnoreplaceablefuses;ratheraself‐resettingpolyfuselimitsshortcircuitcurrent

toapproximately200mA.

TheZ10040Bisdesignedtobeusedonlywithreceive‐typepowerlevels.Itshouldnotbeusedwith

transmittingequipment.TheZ10040B’smaximumpermittedinputRFpoweris100mW(+20

dBm).PowerinexcessofthislevelmaydamagetheZ10040Borequipmentconnectedtoit,orboth.In

addition,sincetheZ10040Bhasappreciablegain,outputpowerlevelssufficienttodamageconnected

equipmentmayoccurwithinputsignallevelswellbelow+20dBm.

AlthoughtheZ10040Bcontainsprotectivemeasures,alloftheseprotectionmeasuresassumethat

theZ10040Bisproperlygroundedandthatgoodengineeringpracticeshavebeenusedinits

installationandconstructionofthegroundsystem.TheZ10040Bisnotintendedtosurviveadirect

lightningstriketoanantennaconnectedtoitsinput,whetherpoweredupornot.However,the

protectivemeasuresincorporatedintotheZ10040B’sdesignshouldaidinreducingdamage.

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Z10040BConstructionandOperationsManualPage5

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GeneralInformationandSpecifications

Description

Theterm“NortonAmplifiers”referstoaclassoftransformerfeedbackamplifiersdevelopedbyDr.

DavidNortonanddescribedinhisUSPatentNo.3,891,934,grantedJune24,1975andnowinthe

publicdomain.(AcopyofDr.Norton’spatentisAppendixCtothisManual.)ANortonamplifier

permitsthedistortionreducingbenefitsofnegativefeedbacktobeappliedwithoutimpairingthe

fiers.amplifier’snoisefigure.Hence,Nortonamplifiersarealsoknownas“noiselessfeedback”ampli

TheZ10040Bisabroadband(75KHzto30MHz)Norton‐styleamplifierproviding11dBgain

(othergainvaluesarepossible)withveryhigh3rdorderand2ndorderintermodulationintercepts,

IP3andIP2,respectively,withanoisefigurebelow3.5dBovertherange10‐30MHz.TheZ10040B

isdesignedforeitherindoororoutdooruse,withDCpowersuppliedthrougheitherseparate

connectionsorduplexedovertheoutputcoaxialcable.Optionalindoorandoutdoordiecast

enclosuresareavailablefortheZ10040B.

TheZ10040BisderivedfromtheNortonAmplifierdevelopedbyDr.DallasLankfordanddescribed

inhispublicationCommonBaseTransformerFeedbackNortonAmplifiers,dated8June1994,

revised21May2007,availableat

http://www.kongsfjord.no/dl/Amplifiers/Common%20Base%20Transformer%20Feedback%20N

orton%20Amplifiers.pdf.

TheZ10040BmodifiesDr.Lankford’sdesigninseveralrespects:

•erremovalalongwithover‐voltagegastrapAutomaticinputdisconnectuponDCpow

•protection

•ntheDCPower.

Improvedperformancebelow500KHz.

Overvoltageandreversevoltageprotectiono

•wer.DCpowereitherseparatelyorduplexpo

•Optionalbalancedorunbalancedinput.

CliftonLaboratoriesalsoofferstheZ1202ADCpowerinjectorusablewiththeZ10040Btoprovide

DCpoweroverthecoaxialcable.

TheZ10040Bisavailableasakit,includingadoublesided,silkscreenedsoldermaskedprinted

circuitboardsandallelectronicpartsorasanassembledandtestedprintedcircuitboard.Options

includeanindoordiecastenclosureoranoutdoorweatherproofdiecastenclosurewithBNC,UHF

orTypeNconnectors.

Typicalkitconstructiontimeisthreetofivehoursdependingonyourworkpractices.Thekitis

suitableforrelativelyinexperiencedbuilders,althoughCliftonLaboratoriesdoesnotrecommendit

topurchaserswhohaveneverbuiltanelectronickitbefore.Also,ifyouhaveneverwoundatoroid

inductorortransformer,youmightwishtoaskanexperiencedbuildertoshowyouhowit’sdone.

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Z10040BConstructionandOperationsManualPage6

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Specifications

ParameterValue

PCBDimensions3.00”x3.50”x0.75”verticalclearancerequired.(76.2mmx88.9mmx19mm).

Fourmountingholesfor4‐40screwsprovided,templateinAppendixB.

DCPowerRequired

Maximum:15V

Minimum:13.8V[maynotmeetspecificationsbelowthisvoltage.SeeAppendix

Dforperformanceversussupplyvoltageconsiderations.]

Negativetoground,typicalDCcurrent80‐100mAdependingonbias

adjustment.

MaximumRFPower

Input

Donotexceed100milliwatts(+20dBm).IP3performancespecificationsare

basedupon‐10dBmsignalinput;performancenotwarrantedatgreaterinput

levels.

TestConditions

Performancedataisfora1:11:4turnsratiodesign,13.8VDCafteradjusting

balancetrimpotsforminimum2ndharmonicdistortion.Unlessotherwise

indicated,performancemeasurementsaremadewithdirectDCpower,not

duplexed.Figuresstatedas“typical”arenotwarranted.

3dBBandwidth100KHz–30MHz.Typicalbandwidth75KHz‐45MHz

3rdOrder

Intermodulation

Intercept

+50dBm.Measuredat12MHz,inputsignallevel‐10dBm.Protocolasdiscussed

laterinthismanual.

2ndHarmonic

intercept

+90dBm.Measuredat5.35MHz,inputsignallevel‐3dBm.Protocolasdiscussed

laterinthismanual.

Gain11dBnominalat1MHz.

1dBGain

Compression+19dBminput.

NoiseFigure3.5dBmaximum10‐30MHz.Typicallylessthan3dB10‐30MHz.

InputVSWRWhenterminatedwith50ohmload,inputVSWRislessthan2:1overtherange

300KHz–30MHz,andistypicallybelow1.5:1overthisrange.

CommonMode

Rejectionin

alancedInput

ode

Typically50dBat1MHz,decreaseswithincreasingfrequency.

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Z10040BConstructionandOperationsManualPage7

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Assembly

PartsProvided

Beforestartingyourbuild,pleasetakeamomentandinventorythepartsprovidedagainstthelist

below.Therulerismarkedininchesandand1/16thfractions(somephotosusearulermarkedin

inchesandtenths,identifiedat10THS.).

Anoteonhowcomponentvaluesareidentifiedinthismanual

Thisdocumentfollowstheinternationalpracticeofusingthevaluemultipliertoindicatethe

decimalpoint.Thus,a1.0µFcapacitorisidentifiedas1µ0anda10,000ohmresistorisidentifiedas

10K0.

PhotographQtyIDDescriptionandComments

Component

Marking



4

C1,C5,C8,

C9



1000pFleadedceramic

capacitor.Leadspacing0.1

inches.Partsmaybeloose

ortapedasshown.



102



14

C10,C11,

C12,C13,

C14,C15,

C16,C17,

C18,C2,

C3,C4,C6,

C7



1u0leadedceramic

capacitor.Leadspacing0.2

inches.Partsmaybeloose

ortapedasshownandmay

ormaynothavea

“crimped”lead.



105



1C19

33u63Velectrolytic

capacitor.Thiscomponent

ispolarized.Polarityis

identifiedbytwomethods.

Thenegativeleadisthe

shorteroneandthe

negativeleadismarked

withanegativesymbolon

thecapacitorcase.The

longerleadisthepositive

lead.

33uF63V

Z10040BConstructionandOperationsManualPage8



PhotographQtyIDDescriptionandComments

Component

Marking



2C20,C21

1000pF,1206surface

mountceramiccapacitor.

(Photoshowscapacitorsstill

insidethepapertape.)

none



1D1

Silicondiode,1Aorgreater,

100Vorgreater.Typicallya

1N4007part

1N400x

whereXmay

beany

number

from0to7



1F1

200mARaychem“polyfuse”

PTCvaristor.Thesupplied

partmayormaynothavea

“crimped”lead.

XF020



1FB2Ferritebead[FB1designator

isnotused]Nomarking



2[3‐place]

1[4‐place]J1,J2,J3

J1:4‐place

J2&J3:3place

0.1inchheadersockets

None



1J4

2place0.1inchheaderpin

Maybesuppliedasa

multiplepinstriptobe

brokenasneededbybuilder

None

Z10040BConstructionandOperationsManualPage9



PhotographQtyIDDescriptionandComments

Component

Marking



1NoneShortingjumperfor2place

0.1inchheaderpinsNone



1K1

G6H‐2F‐DC12doublepole,

doublethrow12Vsurface

mountrelay

G6H‐2F‐

12VDC



4

L1,L2,L3,

L4



1m0RFchoke(shielded)

highcurrentNone



1L51m0RFchoke,highcurrent

unshielded5800‐102



2Q1,Q2NPNtransistors,VHF,type

2N51092N5109

Table of contents

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