1、IEC61196-1-123Edition1.02023-03INTERNATIONA1.STANDARDCmunicationcab1.es-Part1-123:E1.ectrica1.testmethods-Testforattenuationconstantofradiatingcab1.eTHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright2023IEC1Geneva,Switzer1.andAJ1.rightsreserved.UnteesO1.herWigespecified,nopartofthispub1.icationmayberepod
2、cedoruti1.izedinanyformOfAanymeans,e1.ectronicormeca11opyngandmcro1.m,Wf1.houtpermissioninwntngfromeitherIECofIECmemberNationa1.CommieinIhecountryoftherequester.IfyouhaveanyquestionsStxXJIIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightStoth*sPUbtCagn.pte-ascontacttheaddressbe1.oworyour1.oca1.IE
3、Cmc11crNatKXI霖COmn1.inCfxfurtherinformation.IECSeaeiariaiTd.:412291902113.ruedeVarembe,MyaIafteCyotcriteria!referencenumber.1x1.technica1.oommittjo.1.Ka1.sogivesnformabo11onprojects,rep1.acedarriw!hdrav,npub1.ications.IECJustPub1.ished-webstore.iec.ch,Justpub1.tshedStayuptodaU?onoi1.nowIECPUbhCi1.ti
4、Ons.JUStPUbbshodde1.atea1.1.newpub1.catonsreteased.Avai1.ab1.eon1.ineandonceamonthbyemai1.IECCustomerServiceCentre-webstore.1.ec.chescIfyouwhtogrveuyourfeedbackonthispub1.icationorneedfurtherasstsia11,p1.easecontacttheCustomerServiceCnure.satesec.ch.IECProducts&ServicesPor1.a1.products.icc.chDiscove
5、rourPCWCrfU1.soarcengineandrcshaveaccessiouptoda1.eco11W11ttai1.oredtoyourneeds.EIaetrOPed3www.Hectropedia.orgTheVVOfIcfsIeadngon1.inedictionaryonetectfotechno1.ogy.nia11ingmorethan22300trm11otogicaentriesinEng1.shandFrench,withequcvaie!termsin19additiona1.1.anguages.A1.soKnOWnasteInternationa1.Etec
6、tfotechnica1.VccabUary(IEV)oi11o.IEC61196-1-123Edition1.02023-03INTERNATIONA1.STANDARDCmunicationcab1.es一Part1-123:E1.ectrica1.testmethods-Testforattenuationconstantofradiatingcab1.eINTERNATIONA1.E1.ECTROTECHNICA1.COMMISSIONICS33.120.10tSBN9782832264638Warning!Makesurethatyouobtainedthispub1.ication
7、fromanauthorizeddistributor.ftVgvrtrMMwrfC5ifwcnCONTENTSFOREWORD31 Scope52 Normativereferences53 Termsanddefinitionsandabbreviatedterms53.1 Termsanddefinitions53.2 Abbreviatedterms54 Methodo1.ogy54.1 Genera1.54.2 Freespacemethod64.3 Ground-1.eve1.method65 Tcsiprocedures75.1 Genera1.75.2 Equipment85.
8、3 Ca1.ibration85.4 Measurement85.5 Expression95.6 Temperatureonacoopratxona1.1.qes1.kxsconcernings1.a11dardizatkntheetec!11ca1.ande1.ectronicieds.Tothisendandinadditiontootherac6vftie.IECPIJto1.igbeeInternationa1.Standards.Technica1.Specifications.Technica1.Repons.PutfidyAvai1.ab1.eSpeci1.feattons(P
9、AS)andGuides(hereanerreferredtoas,1ECPub1.cation(s.Thcirpreparationiscntrus1.odImittees：anyIECNationa1.Committocrtcrcs!cdInthesubjectdea1.twhmayparticipanthisPfePafakXywork.Internationa1.,governmenta1.andnongovernmenta1.organizationsRisingwththeIECa1.soPartIdPa1.BinthisPrCpara1.kX1.IECCO1.abocWrsdos
10、cwiththeInternationa1.Organization1.otStandarozabon(ISO)inaccordanceMtntosdeterminedbyagreementbetweenthetwoorganizations.2Theforma1.dedo11soragreements0!IECotechnica1.mattersexpress,asnear1.yasPOggiUe.aninierationa1.consensuso1.opinionomitteehasrepreseniabonfroma1.i11Kc5todIECNationa1.Committws3IEC
11、Pub1.icationshavetheIormc1.recommendationskxinternationa1.useandareacceptedbyIECNationaiCo11wn11snthatsense.Witea1.1.reasonabiHo11sarmadeto11srethatthetechnica1.te11tof1.CPub1.icaiionsisaccurate.IECcannotbehedresoonsiMeforthewayinwhichIbeyareusedo(foranymte1.nwftabobyanyendusee.4Inordertopromoteiema
12、xuniformity,IECNatonaJCommitteesundertaketoappIECPub1.icationsIranepaten1.1.ytoIbemaximumeentposab1.einIheifnationa1.andregiona1.pub1.ications.Anydivergencebtw8nanyIECPuWcato11andtheCorresponongnatonaJorregiona1.PUbMMKXIsCedear1.yIndCatedinthe1.atter.5IECItse1.tdoesnotpvkJeanyattestation01co11kxm1.
13、ty.IndependentcertonbodiesprovideConkxmityassessmentserversand.insomaareas,accesstoIECmarksdco11gi11diviaexpertsandmemberscmitteesandIECNationa1.COmmMeeSforanypersona1.injury,propertydamagexotherdamageofanynatureIAfia1.soevef.whetherdirectofindked.otfIhCNormartwcreferencesCaedinthisPUdiCaHon.UsoOI1.
14、h。referencedpub1.icationsisidisensaWefortecorrectaication0!thisPUMieaHon.9A11enooisdrawnkthepossibi1.itythatSOfne01thedementsOnh1.SIECPutticabonmayXWesuectotpatent11ghts.IECsha1.1.notbehWresponsib1.ekxidentifyinganyOraJIscpatentnghtsIEC61196-1-123hasbeenpreparedbysubcomrmitee46A:Coaxia1.cab1.es,ofIE
15、CIechmcaicommittee46：Cab1.es,wires,waveguides.RFnectors,RFandmicrowavepassivecomponentsandaccessories.ItisanInternationa1.Standard.ThetextofthisInternationa1.Standardisbasedonthefo1.1.owingdocuments:DraftRepononvoting4,1.61.3FDS4GA1625,RVDFu1.1.informationonthevotingtoritsapprova1.canbefoundintherep
16、odonvotingindicatedtntheabovetabicThe1.anguageusedforthdevetopmentofthisInternationa1.StandardisEng1.ish.Thisdoc11wtwasdraftedinaccordancewithISO.1ECDiroctivos,Paf1.2,and(JcveiopcdinacrdancewithISQ,IECDirectives.Part1andISQ1IECDirectives.IECSupp1.ement,avai1.ab1.eatww.iec.ch,members_experts.refdocs.
17、ThemaindocumenttypesdeveiopedbyIECaredeservedingreaterdeo11s.A1.istofa1.1.thepartstheIEC61196series,pub1.ishedunderIhegenera1.trt1.eCoaxiaiCorrmumcaiioncab1.es,canbefoundontheIECwebsite.Thecom1111cchasxdcdthatthecontentsofthisdocurctwi1.1.remainunchangedunti1.thestabi1.ityda1.eindicatedontheIECWebSi
18、teunderWebSkxe.ec.chintheda1.are1.atedtothespecificdocument.Atthisdate,thedocumentWi1.1.be reconfirmGd. withdrawn. repacedbyarevisededition,or amendedCOAXIAmunicationcab1.es-Part1-123:E1.ectrica1.testmethods-Testforattenuationconstantofradiatingcab1.e1 ScopeThispartofIEC61196definesthetestmethodtode
19、terminetheattenuationnstantofradiatingcoaxcommunicationcaWesthatareintendedforuseinwire1.esscommunicationsystemssuchastun11ete.rai1.ways,highways,subways,eevatorsandothernfi11edareasinwhichconventiona1.antennatransmissionisnotsatisfactoryorevenimpossib4e.2 NormativereferencesThefo1.1.owingdocumentsa
20、rereferredtointhetextinsuchawaythatsomeora1.1.oftheirCOn(CntconstitutesrequirementsofIhSdocument.Fordatedreferences.on1.ytheeditioncitedapp1.iesForundatedro!erc11ccs,tho1.atesteditionOiIhCCrCnCeddocu11et(inc1.udinganyamen(mnts)appfccs.IEC611961,CoaxtaJctxnmuicaboCabSS-Part1GenencSPeCWgaim-Genera1.,d
21、efnitk)nsandrequirementsIEC611964Coaxiaicommunicationcab1.es-Pact4:Sectiona1.specifk!ionforradiatingcabies3 Termsanddefinitionsandabbreviatedterms3.1 TermsanddefinitionsFortbopurposesofthisAjcumGntJhetermsanddefinitionsinIEC611961andIEC611964app1.y.ISOandIECmamtamIerminotogydatabasesforusestandardiz
22、ationatthefoovwgaddresses: IECE1.ectropedia:avai1.ab1.eathttpsvw.1.ctropa.org ISOOnSnebrowsingp1.atform:avai1.abteathttps7ww.iso.orgobpUAbbreviatedtermsCUTCab1.eundertestVNAVectornetworkana1.yser4 Methodo1.ogy4.1 Genera1.Themeasurementsofattenuationforradiatingcab1.escanbeearnedoutbyoneofIhetwofo1.1
23、owingmethods,wherethetree-spacemethodsha1.1.bethearbitrationmethodifthereisanargument:- freespacemethod;- ground1.eve1.method.4.2 Free-spacemethodThearrangementofthecab1.eisgiveninFigure1aandFigure1b),respective1.yThecab1.eis1.adonnmeta1.1.icpostsataheightof1.5mto2m.NOTEFgureiaaddressesaVNAtestarra
24、ngementMiQFgure1.b)pvi(fesapowermetertestarrangementTheendusercanchoosetheEe1.hCdgusedThecab1.esha1.1.beat1.east10,whereisthecab1.ewave1.engthO1.1.hCmeasuringfrequency.bu1.notshorterthan50mor10.the1.argerva1.uebeingappcab1.e.4.3 Ground-1.eve1.methodThearrangementofthecab1.eisgiveninFigure2aandFigure
25、2b),respective1.y.Thecab1.eisIaKjon11on-meta1.1.icspacers,wchgivesthecab1.eadistanfromtheconcre1.efkxrofIOcmto12n.NOTEFigure2aaddressesaVNAtestarrangemen1.MiIeFigure2b)providesapowermetertestarrangetnen1.Theendusercanc(xethemethodkbeused.Thecab1.esha1.1.beat1.east10,whereAisthecab1.ewave1.engthofthe
26、measuringfrequency.bu1.notShodGfthan50mor10.the1.argerva1.uebeingapp6cab1.e.a)VNAtestarrangement5 Testprocedures5.1 Genera1.FortheVNAtestarrangement,theattenuation11stantisdefinedby:wheretsthea11enuato0nstani.expressedindB,1.OOm(frequency(dependent);pstheinputPOWerofareceiver(hercthek)adimpedanceand
27、thereceiverimpedanceareequa1.andofthesameva1.ueastherxfnava1.ueoftheSPaCgen.expressedindBm;/20thoutputpowerofaSoUfeewcaisthePoWerobtainedatca1.ibration,expressedindB：HXJTisthepowerOb1.a1.nedatCUT,expressedmdB;Iisthephysica1.1.engthofthespeomen.expressedinm.5.2Equipment- AVee1.ofnetworkana1.yzer(VNA)
28、capab1.eofperformingS2imeasurementsandaTHRUCa1.ibtaVonkitShaibeused.- TWoPowermeters,aPoWersp1.itterandaRFCWgeneratorsha1.1.beused.5JCa1.ibrationTheattenuationofIhetestsetupsha1.1.bemeasuredovertheWhOIespecifiedfrequencyrangeaccordingtothefo1.1.owingtestarrangements,respective1.y.- FortheVNAtestarra
29、ngement,twotest1.eadssha1.1.beusedwithanomina1.impedanceofthetestsystem.Afu1.1.twopx1.ca1.ibrationsha1.1.bePed(XmedaccordingtoinstructionsoftheVNAviausingeitheranOS1.orE-ca1.kit.Temperatureofthecoaxia1.test1.eadssha1.1.bekeptconstantafterca1.ibratiandduringtheCUTmeasurementtoavoiduncertaintyofthetes
30、tresu1.tcausedbyinstaWeattenuationofthetest1.eads.- ForthePoWermetertestarrangement,thepowermeterBisattachedtothepowersp1.ittersp,*ooe如Kistherrectonfactor.CorrectionfactorKshou1.dbedeti11edinthere1.atedcab1.especification(e.g.forppe,coaxia1.withnon-po1.arinsu1.ationK。02%,);Tisthetemperatureduringthe
31、measurement,expressedn*C:T)istheattenuationnstantatthetemperatureduringmeasurement;20(isthea11enuat*onconstantat20bytemperaturecorrccbon.7 TestreportThetestreportshou1.dprovidethefo1.1.owingtestconditions:- ambienttemperature：- the1.engthofCUT:- attenuationconstant(coectedto20,C).8RequirementsTheatt
32、enuationnstantsha1.1.notbehigherthantheva1.uesspecifiedinthedetai1.specification.Bib1.iographyIEC611961-113:2018.CoaaCOmmumcationcab1.es-Part1-113E1.ectncaJtestmeods-TestforattenuationconstantINTERNATIONA1.E1.ECTROTECHNICA1.COMMISSION3,ruedeVarembPOBox131CH1211Geneva20Switzer1.andTe1.:41229190211infoiec.chwww.iec.ch
