SIST EN 300 720-1 V1.2.1:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Ultra-High Frequency (UHF) on-board communications systems and equipment; Part 1: Technical characteristics and methods of measurement47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 300 720-1 Version 1.2.1SIST EN 300 720-1 V1.2.1:2003en01-december-2003SIST EN 300 720-1 V1.2.1:2003SLOVENSKI
STANDARD
ETSIEN300720-1V1.2.1(2000-08)EuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadioSpectrumMatters(ERM);Ultra-HighFrequency(UHF)on-boardcommunicationssystemsandequipment;Part1:TechnicalcharacteristicsandmethodsofmeasurementSIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)2ReferenceREN/ERM-RP01-038-1Keywordsmaritime,radioETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)3ContentsIntellectualPropertyRights.6Foreword.61Scope.72References.73Definitions,symbolsandabbreviations.73.1Definitions.73.2Symbols.73.3Abbreviations.74Generalrequirements.84.1Construction.84.2Frequencies.84.3Controls.84.4Switchingtime.94.5Safetyprecautions.94.6Classofemissionandmodulationcharacteristics.94.7Battery.94.8Loudspeakerandmicrophone.94.9Labelling.94.10Equipmentdocumentation.95Testconditions,powersourcesandambienttemperatures.105.1Normalendextremetestconditions.105.2Testpowersource.105.3Normaltestconditions.105.3.1Normaltemperatureandhumidity.105.3.2Normaltestvoltage.105.4Extremetestconditions.105.4.1Extremetemperatures.105.4.1.1Upperextremetemperature.105.4.1.2Lowerextremetemperature.105.4.2Extremetestpowersupplyvalues.115.4.2.1Upperextremetestvoltage.115.4.2.2Lowerextremetestvoltage.115.5Procedurefortestsatextremetemperatures.116Generalconditionsofmeasurement.126.1Testconnections.126.2Arrangementsfortestsignals.126.2.1Testsignalsappliedtothetransmitterinput.126.2.2Testsignalsappliedtotheantennaterminal.126.3Receivermuteorsquelchfacility.126.4Normaltestmodulation.126.5Artificialantenna.126.6Testchannels.126.7Measurementuncertaintyandinterpretationofthemeasuringresults.136.7.1Measurementuncertainty.136.7.2Interpretationofthemeasurementresults.137Environmentaltests.147.1Procedure.147.2Performancecheck.147.3Droptestontoahardsurface.147.3.1Definition.147.3.2Methodofmeasurement.147.3.3Requirement.15SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)47.4Temperaturetests.157.4.1General.157.4.2Dryheat.157.4.2.1Methodofmeasurement.157.4.2.2Requirement.157.4.3Dampheat.157.4.3.1Methodofmeasurement.157.4.3.2Requirement.168Transmitter.168.1Frequencyerror.168.1.1Definition.168.1.2Methodofmeasurement.168.1.3Limits.168.2Carrierpower.168.2.1Definition.168.2.2Methodofmeasurement.168.2.3Limit.168.3Frequencydeviation.168.3.1Definition.168.3.2Maximumfrequencydeviation.178.3.2.1Methodofmeasurement.178.3.2.2Limit.178.3.3Frequencydeviationatmodulationfrequenciesabove3kHz.178.3.3.1Methodofmeasurement.178.3.3.2Limits.178.4Limitationcharacteristicsofthemodulator.188.4.1Definition.188.4.2Methodofmeasurement.188.4.3Limit.188.5Sensitivityofthemodulator,includingmicrophone.188.5.1Definition.188.5.2Methodofmeasurement.188.5.3Limit.188.6Audiofrequencyresponse.188.6.1Definition.188.6.2Methodofmeasurement.188.6.3Limit.198.7Audiofrequencyharmonicdistortionoftheemission.198.7.1Definition.198.7.2Methodofmeasurement.208.7.3Limit.208.8Adjacentchannelpower.208.8.1Definition.208.8.2Methodofmeasurement.208.8.3Limit.208.9Residualmodulationofthetransmitter.208.9.1Definition.208.9.2Methodofmeasurement.208.9.3Limit.218.10Transientfrequencybehaviourofthetransmitter.218.10.1Definition.218.10.2Methodofmeasurement.218.10.3Limits.228.11Conductedspuriousemissionsconveyedtotheantenna.248.11.1Definition.248.11.2Methodofmeasurement.248.11.3Limit.248.12Cabinetradiationandconductedspuriousemissionsotherthanthoseconveyedtotheantenna.248.12.1Definitions.248.12.2Methodofmeasurement.24SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)58.12.3Limits.259Receiver.269.1Harmonicdistortionandratedaudiofrequencyoutputpower.269.1.1Definition.269.1.2Methodsofmeasurement.269.1.3Limits.269.2Audiofrequencyresponse.269.2.1Definition.269.2.2Methodofmeasurement.279.2.3Limits.279.3Maximumusablesensitivity.289.3.1Definition.289.3.2Methodofmeasurement.299.3.3Limits.299.4Co-channelrejection.299.4.1Definition.299.4.2Methodofmeasurement.299.4.3Limit.299.5Adjacentchannelselectivity.309.5.1Definition.309.5.2Methodofmeasurement.309.5.3Limits.309.6Spuriousresponserejection.309.6.1Definition.309.6.2Methodofmeasurement.309.6.3Limit.319.7Intermodulationresponse.319.7.1Definition.319.7.2Methodofmeasurement.319.7.3Limit.319.8Blockingordesensitization.319.8.1Definition.319.8.2Methodofmeasurement.319.8.3Limit.329.9Conductedspuriousemissionsconveyedtotheantenna.329.9.1Definition.329.9.2Methodofmeasurement.329.9.3Limit.329.10Radiatedspuriousemissions.329.10.1Definition.329.10.2Methodofmeasurements.339.10.3Limit.33AnnexA(normative):Adjacentchannelpowermeasurement.34A.1Methodofmeasurement.34A.2Powermeasuringreceiverspecification.34A.2.1IFfilter.34A.2.2Attenuationindicator.36A.2.3RMSvalueindicator.36A.2.4Oscillatorandamplifier.36History.37SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)6IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeElectromagneticcompatibilityandRadiospectrumMatters(ERM).Thepresentdocumentispart1ofamulti-partEuropeanStandard,thetitlesofwhichare:Part1:"Technicalcharacteristicsandmethodsofmeasurement".Part2:"HarmonizedENunderarticle3.2oftheR&TTEDirective".NationaltranspositiondatesDateofadoptionofthisEN:14July2000DateoflatestannouncementofthisEN(doa):31October2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30April2001DateofwithdrawalofanyconflictingNationalStandard(dow):30April2001SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)71ScopeThepresentdocumentspecifiestheminimumtechnicalcharacteristicsrequiredforUHFradioequipmentandsystemsoperatingonfrequenciesallocatedtothemaritimemobileservicesbytheITURadioRegulations,appendix20[1].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,subsequentrevisionsdoapply.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ITURadioRegulations,appendix20:"Characteristicsofequipmentusedforon-boardcommunicationinthebandsbetween450and470MHz".[2]ETSIETR028:"RadioEquipmentandSystems(RES);Uncertaintiesinthemeasurementofmobileradioequipmentcharacteristics".[3]ITU-TRecommendationP.53(1988):"Psophometers(apparatusfortheobjectivemeasurementofcircuitnoise)".[4]ISO694:"Positioningofmagneticcompassesinships".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermanddefinitionapplies:modulationindex:ratiobetweenthefrequencydeviationandthemodulationfrequency3.2SymbolsForthepurposesofthepresentdocument,thefollowingsymbolapplies:dBAacousticlevelindBrelativeto2×10-5Pa3.3AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:emfElectro-MotiveForceRFRadioFrequencySINADsignal+noise+distortion/noise+distortionUHFUltraHighFrequencySIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)84Generalrequirements4.1ConstructionThemechanicalandelectricalconstructionandfinishoftheequipmentshallconforminallrespectstogoodengineeringpracticeandtheequipmentshallbesuitableforuseonboardships.Theequipment'scolourshallbeneitherorangenoryellow.4.2FrequenciesTheequipmentshalloperateeitheronsingle-frequencyortwo-frequencysimplexchannelsonthosefrequenciesspecifiedinappendix20oftheRadioRegulations[1].Table1:SinglefrequencysimplexchannelsChanneldesignatorFrequencyChannelA467,525MHzChannelB467,550MHzChannelC467,575MHzChannelD457,525MHzChannelE457,550MHzChannelF457,575MHzTable2:Two-frequencysimplexchannelsforusewithrepeateronlyChanneldesignatorTransmitfrequencyReceivefrequencyChannelG467,525MHz457,525MHzChannelH467,550MHz457,550MHzChannelJ467,575MHz457,575MHzIndependentselectionoftransmittingandreceivingfrequenciesshallnotbepossible.Theequipmentshallbefittedwithatleastonesingle-frequencysimplexchannel,thefrequencyofwhichshallbe457,525MHz.Itshallnotbepossibletotransmitduringchannel-switchingoperations.4.3ControlsTheequipmentshallhavethefollowingcontrols:-achannelselectorwhichshallindicatethedesignatorofthechanneltowhichtheequipmentisset;-on/offswitchfortheequipmentwithvisualindicationthattheequipmentisswitchedon;-amanualnon-locking,push-to-talkswitchtooperatethetransmitter;-anaudio-frequencypowervolumecontrol.Theusershallnothaveaccesstoanycontrolwhich,ifwronglyset,mightimpairthetechnicalcharacteristicsoftheequipment.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)94.4SwitchingtimeThechannelswitchingarrangementsshallbesuchthatthetimenecessarytochangeoverfromusingoneofthechannelstousinganyotherchanneldoesnotexceed5seconds.Thetimenecessarytochangeoverfromtransmissiontoreceptionandviceversa,shallnotexceed0,3seconds.4.5SafetyprecautionsProvisionshallbemadeforprotectingequipmentfromtheeffectsofexcessivecurrentorvoltage.Meansshallbeincorporatedtopreventreversalofpolarityofthebatterypowersupply.Equipmentwithanantennasocketshallnotbedamagedbytheeffectofopen-circuitorshort-circuitoftheantennasocketforaperiodofatleast5minutes.ThemanufacturershalldeclarethecompasssafedistanceaccordingtoISO694[4],MethodB.4.6ClassofemissionandmodulationcharacteristicsTheequipmentshallusephasemodulation,G3E(frequencymodulationwithapre-emphasisof6dB/octave).Theequipmentshallbedesignedtooperatewithachannelspacingof25kHz.4.7BatteryThebatterymaybeanintegralpartoftheequipment.Primaryand/orsecondarybatteriesmaybeused.Provisionsshallbemadeforreplacingthebatteryeasily.Iftheequipmentisfittedwithsecondarybatteries,asuitablebatterychargershallberecommendedbythemanufacturer.4.8LoudspeakerandmicrophoneTheequipmentshallbeprovidedwithamicrophoneandaloudspeakerwhichmaybecombined.Inthetransmitconditiontheoutputofthereceivershallbemuted.4.9LabellingAllcontrolsshallbeclearlylabelled.Thelabellingshallinclude:-thenameofthemanufacturerandhistrademark;-thetypenumberandserialnumberoftheequipment;and-thecompasssafedistance.4.10EquipmentdocumentationForthepurposeofconformancetestinginaccordancewiththepresentdocument,adequatetechnicalandoperationaldocumentationshallbesuppliedwiththeequipment.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)105Testconditions,powersourcesandambienttemperatures5.1NormalendextremetestconditionsTestsshallbemadeundernormaltestconditionsandalso,wherestated,underextremetestconditions.5.2TestpowersourceUnlessotherwisestated,thebatteryoftheequipmentshallbereplacedbyatestpowersourcecapableofproducingnormalandextremetestvoltagesasspecifiedinsubclauses5.3.2and5.4.2.Thevoltageofthepowersourceshallbemeasuredattheinputterminaloftheequipment.Duringtesting,thepowersourcevoltageshallbemaintainedwithinatoleranceof±3%relativetothevoltagelevelatthebeginningofeachtest.5.3Normaltestconditions5.3.1NormaltemperatureandhumidityThenormaltemperatureandhumidityconditionsfortestsshallbeacombinationoftemperatureandhumiditywithinthefollowinglimits:-temperature:+15°Cto+35°C;-relativehumidity:20%to75%.5.3.2NormaltestvoltageThenormaltestvoltageshallbethenominalvoltageofthebatteryasdeclaredbythemanufacturer.5.4Extremetestconditions5.4.1Extremetemperatures5.4.1.1UpperextremetemperatureTestsattheupperextremetemperatureshallbemadeat+55°C.5.4.1.2LowerextremetemperatureTestsatthelowerextremetemperatureshallbemadeat-20°C.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)115.4.2Extremetestpowersupplyvalues5.4.2.1UpperextremetestvoltageTheupperextremetestvoltageshallbedeclaredbythemanufacturerandshallnotbelowerthanthefollowing:-whenusingprimarybatteries,thevoltagecorrespondingtothevoltagethatafreshbatterygivesattheupperextremetemperaturewhenloadedwithaloadequaltothatoftheequipmentinthemutedreceivecondition;-whenusingsecondarybatteries,thevoltagecorrespondingtothevoltagethatafullychargedbatterygivesattheupperextremetemperaturewhenloadedwithaloadequaltothatoftheequipmentinthemutedreceivecondition.5.4.2.2LowerextremetestvoltageThelowerextremetestvoltageshallbedeclaredbythemanufacturerandshallnotbehigherthanthefollowing:-whenusingprimarybatteries,0,85timesthevoltagethatafreshbatterygivesatthelowerextremetemperaturewhenloadedwithaloadequaltothatoftheequipmentinthemutedreceivecondition;-whenusingsecondarybatteries,0,85timesthevoltagethatafullychargedbatterygivesatthelowerextremetemperaturewhenloadedwithaloadequaltothatoftheequipmentinthemutedreceivecondition.5.5ProcedurefortestsatextremetemperaturesTheequipmentshallbeplacedinthetestchamberatnormaltemperature.Themaximumrateifrisingorreducingthetemperatureofthechambershallbe1°C/minute.Theequipmentshallbeswitchedoffduringthetemperature-stabilisingperiods.Beforeconductingtestsatextremetemperatures,theequipmentinthetestchambershallhavereachedthermalequilibriumandbesubjectedtotheextremetemperatureforaperiodof10to16hours.Fortestsatthelowerextremetemperature,theequipmentshallthenbeswitchedontothestandbyorreceiveconditionforoneminute,afterwhichtherelevanttestsshallbeperformed.Fortestsatthehigherextremetemperature,theequipmentshallthenbeswitchedoninthehighpowertransmitconditionforhalfanhour,afterwhichtherelevanttestsshallbeperformed.Thetemperatureofthechambershallbemaintainedattheextremetemperaturesforthewholedurationoftheperformancetests.Attheendofthetest,andwiththeequipmentstillinthechamber,thechambershallbebroughttoroomtemperatureinnotlessthanonehour.Theequipmentshallthenbeexposedtonormalroomtemperatureandhumidityfornotlessthanthreehoursoruntilmoisturehasdispersed,whicheveristhelonger,beforethenexttestiscarriedout.Alternatively,observingthesameprecautions,theequipmentmaybereturneddirectlytotheconditionsrequiredforthestartofthenexttests.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)126Generalconditionsofmeasurement6.1TestconnectionsForthepurposeoftesting,suitableconnectionstothefollowingtestpointsshallbemadeavailable:-theantennaterminal(for50Ωconnection);-thetransmitteraudioinput(s);-thereceiveraudiooutput(s);-thepush-to-talkswitch;-thebatteryterminalsfortestpowersourceconnections.6.2Arrangementsfortestsignals6.2.1TestsignalsappliedtothetransmitterinputForthepurposeoftests,thetransmitterinternalmicrophoneshallbedisconnectedandanaudiofrequencysignalgeneratorshallbeappliedtothetransmitteraudioinputterminals.6.2.2TestsignalsappliedtotheantennaterminalTestsignalgeneratorsshallbeconnectedtotheantennaterminalinsuchawaythattheimpedancepresentedtothereceiverinputis50Ω,irrespectiveofwhetheroneormoretestsignalsareappliedsimultaneously.Thelevelsofthetestsignalsshallbeexpressedintermsoftheemf.Theeffectsofanyintermodulationproductandnoiseproductinthetestsignalgeneratorsshouldbenegligible.Thenominalfrequencyofthereceiveristhecarrierfrequencyoftheselectedchannel.6.3ReceivermuteorsquelchfacilityUnlessotherwisespecified,thereceiversquelchfacilityshallbemadeinoperativeforthedurationofthetests.6.4NormaltestmodulationFornormaltestmodulation,themodulationfrequencyshallbe1kHzandthefrequencydeviationshallbe±3kHz.6.5ArtificialantennaWhentestsareconductedwithanartificialantenna,thisshallbea50Ωnon-reactive,non-radiatingload.6.6TestchannelsForequipmentoperatinginboththe457MHzand467MHzbands,testsshallbecarriedoutatthehighestandlowestchannelswithinthefrequencyrangeoftheequipment,unlessotherwisestated.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)136.7Measurementuncertaintyandinterpretationofthemeasuringresults6.7.1MeasurementuncertaintyTable3:Absolutemeasurementuncertainties:maximumvaluesParameterMaximumuncertaintyRFfrequency±1x10-7RFpower±0,75dBMaximumfrequencydeviation:-within300Hzto6kHzofmodulationfrequency:-within6kHzto25kHzofmodulationfrequency:±5%±3dBDeviationlimitation±5%Adjacentchannelpower±5dBAudiooutputpower±0,5dBAmplitudecharacteristicsofreceiverlimiter±1,5dBSensitivityat20dBSINAD±3dBTwo-signalmeasurement±4dBThree-signalmeasurement±3dBConductedspuriousemissionoftransmitter±4dBConductedemissionofreceiver±3dBRadiatedemissionoftransmitter±6dBRadiatedemissionofreceiver±6dBTransmittertransienttime±20%Transmittertransientfrequency±250Hz6.7.2InterpretationofthemeasurementresultsTheinterpretationoftheresultsrecordedinatestreportforthemeasurementsdescribedinthepresentdocumentshallbeasfollows:-themeasuredvaluerelatedtothecorrespondinglimitwillbeusedtodecidewhetheranequipmentmeetstherequirementsofthepresentdocument;-thevalueofthemeasurementuncertaintyforthemeasurementofeachparametershallbeincludedinthetestreport;-therecordedvalueofthemeasurementuncertaintyshallbe,foreachmeasurement,equaltoorlowerthanthefiguresintable3.Forthetestmethods,accordingtothepresentdocument,themeasurementuncertaintyfiguresshallbecalculatedinaccordancewithETR028[2]andshallcorrespondtoanexpansionfactor(coveragefactor)k=1,96ork=2(whichprovideconfidencelevelsofrespectively95%and95,45%inthecasewherethedistributionscharacterizingtheactualmeasurementuncertaintiesarenormal(Gaussian)).Table3isbasedonsuchexpansionfactors.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)147Environmentaltests7.1ProcedureEnvironmentaltestsshallbecarriedoutbeforeanyothertestsofthesameequipmentinrespecttotheotherrequirementsofthepresentdocumentareperformed.Thetestsshallbecarriedoutintheordertheyappearinthepresentdocument.Unlessotherwisestated,theequipmentshallbeconnectedtoanelectricalpowersourceduringtheperiodsforwhichitisspecifiedthatelectricaltestsshallbecarriedout.Thesetestsshallbeperformedusingnormaltestvoltageandononechannelonly.7.2PerformancecheckForthepurposeofthepresentdocument,theterm"performancecheck"shallbetakentomean:-forthetransmitter:-carrierfrequency:-withthetransmitterconnectedtoanartificialantenna(seesubclause6.5),thetransmittershallbekeyedwithoutmodulation.Thecarrierfrequencyshallbewithin±2,3kHzofthenominalcarrierfrequency;-outputpower:-withthetransmitterconnectedtoanartificialantenna(seesubclause6.5),thetransmittershallbekeyedwithoutmodulation.Withtheoutputpowerswitchsetatmaximum,theoutputpowershallbebetween0,4Wand4W;-forthereceiver:-maximumusablesensitivity:-atestsignalatthenominalfrequencyofthereceivermodulatedwithnormaltestmodulation(seesubclause6.4)shallbeappliedtothereceiverinput.TheleveloftheinputsignalshallbeadjusteduntiltheSINADattheoutputofthereceiveris20dBandtheoutputpowerisatleasttheratedoutputpower(seesubclause9.1.3).Theleveloftheinputsignalshallbelessthan+12dBµV.7.3Droptestontoahardsurface7.3.1DefinitionTheimmunityagainsttheeffectsofdroppingistheabilityoftheequipmenttomaintainthespecifiedmechanicalandelectricalperformanceafterbeingsubjectedtoaseriesofdropsonahardwoodentestsurface.7.3.2MethodofmeasurementThehardwoodentestsurfaceshallconsistofapieceofsolidhardwoodwithaminimumthicknessof15cmandamassof30kgormore.Thetestshallconsistofaseriesof6drops,oneoneachsurfaceoftheequipment.Duringthetesttheequipmentshallbefittedwithasuitablesetofbatteriesandantennabutitshallbeswitchedoff.Thetestshallbecarriedoutundernormaltemperatureandhumidityconditions.Theheightofthelowestpartoftheequipmentundertestrelativetothetestsurfaceatthemomentofreleaseshallbe1m.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)15Iftheequipmentistobeusedwith,forexample,aseparatemicrophoneand/orloudspeaker,thetestshallbecarriedoutforthoseaccessoriesseparately.Followingthetest,theequipmentshallbesubjectedtoaperformancecheck.7.3.3RequirementTherequirementfortheperformancecheckshallbemet.7.4Temperaturetests7.4.1GeneralThemaximumrateofraisingorreducingthetemperatureofthechamberinwhichtheequipmentisbeingtestedshallbe1°C/minute.7.4.2Dryheat7.4.2.1MethodofmeasurementTheequipmentshallbeplacedinachamberofnormaltemperature.Thetemperatureshallthenberaisedtoandmaintainedat+70°C(±3°C)foraperiodofatleast10hours.Afterthisperiodanyclimaticcontroldeviceprovidedintheequipmentmaybeswitchedonandthechambercooledto55°C(±3°C).Thecoolingofthechambershallbecompletedwithin30minutes.Theequipmentshallthenbeswitchedonandshallbekeptworkingcontinuouslyforaperiodoftwohours.Thetransmittershallbekeyedwithadutycycleofoneminutetransmissionandfourminutesreception.Theequipmentshallbesubjectedtoaperformancecheckduringthetwo-hourperiod.Thetemperatureofthechambershallbemaintainedat+55°C(±3°C)duringthetwo-hourperiod.Attheendofthetest,andwiththeequipmentstillinthechamber,thechambershallbebroughttoroomtemperatureinnotlessthanonehour.Theequipmentshallthenbeexposedtonormalroomtemperatureandhumidityfornotlessthanthreehoursbeforethenexttestiscarriedout.7.4.2.2RequirementTherequirementfortheperformancecheckshallbemet.7.4.3Dampheat7.4.3.1MethodofmeasurementTheequipmentshallbeplacedinachamberatnormalroomtemperatureandhumiditywhich,steadily,overaperiodthreehours(±30minutes),shallbeheatedfromroomtemperatureto+40°C(±3°C)andshallduringthisperiodbebroughttoarelativehumidityof93%(±2%)sothatexcessivecondensationisavoided.30minuteslatertheequipmentshallbeswitchedon,andshallthenbekeptworkingcontinuouslyforaperiodoftwohours.Thetransmittershallbekeyedwithadutycycleofoneminutetransmissionandfourminutesreception.Theequipmentshallbesubjectedtoaperformancecheckduringthetwo-hourperiod.Thetemperatureandrelativehumidityofthechambershallbemaintainedat+40°C±3°Cand93%±2%duringthetwo-hour,30minutesperiod.Attheendofthetest,andwiththeequipmentstillinthechamber,thechambershallbebroughttoroomtemperatureinnotlessthanonehour.Theequipmentshallthenbeexposedtonormalroomtemperatureandhumidityfornotlessthanthreehours,oruntilmoisturehasdispersed,whicheverislonger,beforethenexttestiscarriedout.SIST EN 300 720-1 V1.2.1:2003

ETSIETSIEN300720-1V1.2.1(2000-08)167.4.3
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