IEC 60315-4-1997 Methods of measurement on radio receivers for various classes of emission - Part 4 Receivers for frequency-modulated sound broadcasting emissio.pdf

1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 603154 Deuximedition Secondedition 199711 Mthodesdemesureapplicablesauxrcepteurs radiolectriquespourdiversesclassesdmission Partie4: Rcepteurspourmissionsderadiodiffusion enmodulationdefrquence Methodsofmeasurementonradioreceiversfor variousclasses

2、ofemission Part4: Receiversforfrequencymodulated soundbroadcastingemissions Numroderfrence Referencenumber CEI/IEC603154:1997Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublicationsde laCEIincor

3、porantlesamendementssontdisponibles. Parexemple,lesnumrosddition1.0,1.1et1.2 indiquentrespectivementlapublicationdebase,la publicationdebaseincorporantlamendement1,etla publicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest constamm

4、entrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatede reconfirmationdelapublicationsontdisponiblesdans leCataloguedelaCEI. Lesrenseignementsrelatifscesrvisions,ltablis sementdesditionsrvisesetauxamendements peuventtreobtenusauprsdesComitsnationauxde laCEIetdanslesd

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6、al (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsulteralaCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisablessurlematriel.Index,relevet compilationdesfeuillesindividuelles, etlaCEI60617: Symbolesgra

7、phiquespourschmas. PublicationsdelaCEItabliespar lemmecomitdtudes Lattentiondulecteurestattiresurleslistesfigurant lafindecettepublication,quinumrentles publicationsdelaCEIprparesparlecomit dtudesquiatablilaprsentepublication. * Voiradressesitewebsurlapagedetitre. Numbering Asfromthe1stJanuary1997al

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11、sarereferredto IEC60050:InternationalElectrotechnicalVocabulary (IEV). Forgraphicalsymbols,andlettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.Index,surveyand comp

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13、epage.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 603154 Deuximedition Secondedition 199711 Mthodesdemesureapplicablesauxrcepteurs radiolectriquespourdiversesclassesdmission Partie4: Rcepteurspourmissionsderadiodiffusion enmodulationdefrquence Methodsofmeasurementonradioreceiversfor variousc

14、lassesofemission Part4: Receiversforfrequencymodulated soundbroadcastingemissions CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue IEC1997Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedec

15、ettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms,sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilizedin anyformorbyanymeans,electronicormechanical, includingphotocopyingandmicrofil

16、m,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE XB2 603154CEI:1997 SOMMAIRE Page AVANTPROPOS 8 Articles 1Gnralits. 12 1.1Domaine dapplication 1

17、2 1.2Rfrences normatives 12 1.3Dfinitions 14 1.4 Conditionsnormalisesdemesure 16 1.5 Gnralitsconcernantlesmesures . 26 2 Sensibilitetbruitinterne . 32 2.1 Explicationdestermes. 32 2.2 Rapportsignalsurbruit(pondretnonpondr)etSINAD 32 2.3 Sensibilitlimiteparlebruit . 34 2.4 Sensibilitlimiteparlegain 3

18、6 2.5Sensibilit utilisable. . 36 2.6 Sensibilitlexcursiondefrquence 38 2.7Caractristiques entresortie 38 3 Rjectiondessignauxperturbateurs . 40 3.1 Rapportdecapture 4 0 3.2 Slectivitetrjectionducanalvoisin(deuxsignaux) 42 3.3 Rjectiondefrquencesimagesetintermdiaires,etrponsesparasites . 46 3.4 Suppr

19、essiondelamodulationdamplitude 52 3.5 Rjectiondesproduitsdintermodulationdusignalradio. 54 3.6 Caractristiquesdaccordetdecontrleautomatiquedesfrquences(CAF) 62 4 Perturbationsduesdessourcesinternes 64 4.1 Sifflementsdusunseulsignal 64 4.2 Ronflementdemodulation(perturbationslafrquencedalimentation)

20、64 4.3Autooscillations perturbatrices 66 4.4Raction acoustique. 6 8603154IEC:1997 3 CONTENTS Page FOREWORD. 9 Clause 1General. 1 3 1.1Scope 13 1.2Normative references. 13 1.3Definitions. 15 1.4 Standardmeasuringconditions 17 1.5 Generalnotesonmeasurements 27 2 Sensitivityandinternalnoise. 33 2.1 Exp

21、lanationofterms 33 2.2 Signaltonoiseratio(weightedandunweighted)andSINAD. 33 2.3Noiselimited sensitivity 35 2.4Gainlimited sensitivity. 37 2.5Usable sensitivity. 37 2.6Deviation sensitivity. 39 2.7Inputoutput characteristics 39 3 Rejectionofunwantedsignals. 41 3.1Capture ratio 41 3.2 Selectivityandn

22、earbychannelrejection(twosignal) 43 3.3 Rejectionofintermediateandimagefrequencies,andspuriousresponses . 47 3.4 Suppressionofamplitudemodulation . 53 3.5 Rejectionofr.f.signalintermodulationproducts . 55 3.6 Tuningandautomaticfrequencycontrol(AFC)characteristics 63 4 Interferenceduetointernalsource

23、s 65 4.1Singlesignal whistles. 65 4.2 Modulationhum(interferenceatpowersupplyfrequency). 65 4.3Unwanted selfoscillations 67 4.4Acoustic feedback 694 603154CEI:1997 Pages 5 Caractristiquesglobalesdesfrquencesacoustiques 68 5.1Fidlit. . 68 5.2Distorsion harmonique. 70 5.3Distorsion dintermodulation. 7

24、8 5.4 Caractristiquesentrevoies. 80 5.5 Caractristiquesdelacommandedevolume 82 5.6 Niveaudesortiersiduelle. 84 5.7 Affaiblissementdediaphonie . 84 5.8 Rponseaudioglobale 86 6 Effetdesmodulationssupplmentairessurlesignaldentre 88 6.1 Rjectiondessi gnauxdanslesbandesde16kHz22kHzet54kHz99kHz 88 6.2 Rje

25、ctiondessignauxdanslesbandesde62kHz73kHz(rjectionSCA). 88 6.3 MesuredubrouillagepardessignauxRDS. 88 6.4 Suppressiondufondamental,desharmoniquesetdesbandeslatralesde lasousporteuseetdusignalpilote 90 6.5 Suppressiondesperturbationsduesauxsignauxvenantduncanaladjacent avecunrcepteurstrophoniqueutilis

26、antlesystmefrquencepilote . 92 7 Sensibilit,gaindesantennesetdirectivitdesrcepteursutilisantdesantennes fouetstlescopiquesetincorpores 92 7.1Introduction. . 92 7.2 Mthodedemesuredelasensibilitetdugaindesantennesdunrcepteurutilisant uneantennefouetoutlescopique,laidedelapinceabsorbantedcrite dansleCI

27、SPR161 . 92 8 CaractristiquesdontlesmthodesdemesuresontspcifiesdanslaCEI603151 94 8.1Introduction. . 94 8.2 Listedescaractristiques,etrenvoiscorrespondants. 94 Figures 1 Limitesdelarponseenfrquencedufiltrepassebande200Hz15kHz. 96 2 Limitesdelarponseenfrquencedufiltrepassebande22,4Hz15kHz 98 3 Limite

28、sdelarponseenfrquencedufiltrepassebande200Hz1,5kHz 98 4 Limitesdelarponseenfrquencedufiltrecoupebande1kHz 100 5 Filtredepondrationpourconvertirdubruitblancenbruitcolorspcialpour lesmesuresdeslectivit. 100 6 DispositionpourdiffrentesmesuresavecdeuxsignauxRFenentre 102 7 Rseauxdantennesfictivespourlin

29、jectiondunoudedeuxsignaux,pourlesgnrateurs designaux50 W etpourlesentresrcepteur75 W asymtriqueou300 W symtrique 104 8 DispositionpourdiffrentesmesuresavecunsignalRFenentre 106 9 Rapportsignalsurbruit. 108603154IEC:1997 5 Page 5 Overallaudiofrequencycharacteristics. 69 5.1Fidelity. 69 5.2Harmonic di

30、stortion 71 5.3Intermodulation distortion. 79 5.4Interchannel characteristics 81 5.5 Characteristicsofthevolumecontrol 83 5.6Residual output 85 5.7Crosstalk attenuation. 85 5.8 Overallaudiofrequencyresponse 87 6 Effectofadditionalmodulationsoftheinputsignal 89 6.1 Rejectionofsignalsintheranges16kHzt

31、o22kHzand54kHzto99kHz 89 6.2 Rejectionofsignalsintherange62kHzto73kHz(SCArejection). 89 6.3 MeasurementofinterferencecausedbyRDSsignals . 89 6.4 Suppressionofthefundamental,harmonicsandsidebandsofthesubcarrier andthepilottonesignal. 91 6.5 Suppressionofinterferenceduetoadjacentchannelsignalswitha st

32、ereophonicreceiverusingthepilottonesystem. 93 7 Sensitivity,antennagainanddirectionalresponseofreceiversusingrod,telescopic orbuiltinantennas. 93 7.1Introduction 93 7.2 Methodofmeasurementofsensitivityandantennagainforareceiverusing arodortelescopicantennabytheabsorbingclampdescribedinCISPR161. 93 8

33、 CharacteristicswhosemethodsofmeasurementarespecifiedinIEC603151 95 8.1Introduction 95 8.2 Listofcharacteristicsandcrossreferences 95 Figures 1 Frequencyresponselimitsofbandpassfilter200Hzto15kHz 97 2 Frequencyresponselimitsofbandpassfilter22,4Hzto15kHz . 99 3 Frequencyresponselimitsofbandpassfilter

34、200Hzto1,5kHz . 99 4 Frequencyresponselimitsofthe1kHzbandeliminationfilter. 101 5 Weightingfilterforconvertingwhitenoiseintospecialcolourednoisefor selectivitymeasurements 101 6 Arrangementforvariousmeasurementswithtwor.f.inputsignals. 103 7 Antennasubstitutionnetworksforinjectingoneortwosignals,for

35、50 W signal generatorsand75 W unbalancedand300 W balancedreceiverinputs . 105 8 Arrangementforvariousmeasurementswithoner.f.inputsignal 107 9 Signaltonoiseratio 1096 603154CEI:1997 Pages 10 Sensibilitlimiteparlebruitenfonctiondelafrquencedusignal. 108 11 Sensibilitlimiteparlegainenfonctiondelafrquen

36、cedusignal. 110 12 Caractristiquesdentre/sortieetcourbesduniveaudebruitensortiefaisant apparatrelestermesdfinisen1.3 112 13 Rapportdecapture. 114 14 Courbesdeslectivit 116 15 Tauxderjectiondefrquenceimageetintermdiaire 118 16 Rponsesparasitespourunefrquencedaccordde94MHz(mthodesignalunique) 120 17 D

37、ispositionpourlamesurederjectiondesignauxperturbateurssimulant unerceptionparcble,utilisantunemodulationsinusodale 122 18 DispositionpourdiffrentesmesuresavectroissignauxRFenentre. 124 19 Caractristiquesdaccord . 126 20 Caractristiquedaccordobtenueparmesuredelafrquencedeloscillateurlocal 126 21 Mesu

38、redelaractionacoustique 128 22 Dispositionpourlamesuredelafidlit 128 23 Distorsionharmoniquetotaleglobaleenfonctiondelapuissancedesortie . 130 24 Puissancedesortielimiteparladistorsionenfonctiondelafrquencedemodulation . 130 25 DistorsionharmoniquetotaleenfonctionduniveaudesignalRFenentre. 132 26 Di

39、storsionharmoniquetotaleenfonctiondelexcursion. 132 27 Variationdeladistorsionrsultantdundcalagedelaccord 134 28 Distorsionharmoniquetotaleenfonctiondelafrquencedemodulationaudio 134 29 Diaphoniedintermodulationentrelesvoiesdunrcepteurstro (systmefrquencepilote). 136 A.1 Exempledefiltrepassifcoupeba

40、ndede1kHzcapablederespecterleslimites reprsenteslafigure4 . 138 D.1 DispositionpourlinjectiondunsignalRFdanslantennelaidedunepinceabsorbante 146 D.2 Courbesdecorrectionpourlapertedinsertiondelapinceabsorbante 146 Annexes A Exempledefiltrecoupebande1kHz. 138 B Excursionsnormalisespourlesservicessuppl

41、mentaires. 140 C Mesuredeladiaphonieentrevoiesstrophoniques. 142 D Caractristiquesdesantennesfouetsettlescopiques(ltude) . 144603154IEC:1997 7 Page 10 Noiselimitedsensitivityasafunctionofsignalfrequency 109 11 Gainlimitedsensitivityasafunctionofsignalfrequency . 111 12 Output/inputcharacteristicsand

42、noiseoutputcurvesshowingtermsdefinedin1.3 113 13 Captureratio 115 14 Selectivitycurves 117 15 Imageandintermediatefrequencyrejectionratios. 119 16 Spuriousresponsesatatuningfrequencyof94MHz(singlesignalmethod) 121 17 Arrangementformeasuringrejectionofunwantedsignalssimulatingcablereception, usingsinusoidalmodulation 123 18 Arrangementforvariousmeasurementsusingthreer.f.inputsignals 125 19 Tuningcharacteristics. 127 20 Tuningcharacteristicsobtainedbymeasuringthelocaloscillatorfrequency 127 21 Measurementofacousticfeedback. 129 2