SIST EN 300 328-1 V1.2.2:2003
(Main)ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Wideband Transmission systems; data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques; Part 1: Technical characteristics and test conditions
- Abstract
Editorial update of ETS 300 328 as EN 300 328-1, consequent to publishing EN 300 328-2.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
SIST EN 300 328-1 V1.2.2:2003 is the Slovenian adoption of ETSI EN 300 328-1 Version 1.2.2, published by SIST. It covers wideband data transmission equipment operating in the 2.4 GHz Industrial, Scientific and Medical (ISM) band using spread spectrum modulation, and it specifies the technical characteristics, test conditions and measurement methods used for type testing.
The standard is aimed at manufacturers, applicants and accredited test laboratories assessing stand-alone radio equipment and plug-in radio devices. It gives a common test basis for equipment used in fixed, mobile or portable applications.
What does SIST EN 300 328-1 V1.2.2:2003 specify?
SIST EN 300 328-1 V1.2.2:2003 specifies minimum technical characteristics and test methods for radio data transmission equipment with aggregate bitrates above 250 kbits/s in the 2.4 to 2.4835 GHz band. It is a general standard for test and assessment, not a design standard for a specific product type.
The scope covers transceivers, transmitters and receivers offered for testing, including stand-alone equipment and plug-in radio devices. Annex A and Annex B are normative and provide the radiated measurement arrangements and the general measurement methods.
| Annex | What it covers |
|---|---|
| Annex A | Test sites and arrangements for radiated measurements |
| Annex B | General description of measurement, including conducted, radiated and substitution methods |
What are the key requirements of SIST EN 300 328-1 V1.2.2:2003?
Before testing
Clause 4 requires the manufacturer to declare the aggregate bitrate, modulation type, operating frequency range, equipment type, extreme operating conditions, antenna assembly gain and nominal voltages. In practice, this is the information the laboratory needs to choose the right test configuration and compare results with the correct limits.
Clause 4.2 requires test samples to be production models or equivalent preliminary models, with production units identical in all relevant respects. The standard prefers conducted RF measurements through a suitable connector; if that is not possible, a documented test fixture or radiated measurements are used instead.
Modulation and transmitter limits
Clause 5.1 distinguishes Frequency Hopping Spread Spectrum (FHSS) from Direct Sequence Spread Spectrum (DSSS) and treats other spread spectrum forms as equivalent to DSSS. FHSS equipment must use at least 20 non-overlapping channels, a dwell time not above 0.4 s, and a hop pattern that visits each channel within the stated time window.
Clause 5.2 limits effective radiated power to 100 mW e.i.r.p. and sets peak power density limits that depend on modulation type. It also confines the operating frequency range to the 2.4 GHz band and sets transmitter spurious emission limits in narrowband and wideband form. In practice, this controls both the main signal and unwanted emissions that could interfere with other radio services.
Clause 5.3 only applies receiver spurious emission limits. The receiver itself has no other performance limits in this document, so the compliance focus is on its unintended radiation.
Test conditions and measurement
Clause 6 requires normal and, where applicable, extreme test conditions for temperature, humidity and power source voltage. It also gives specific approaches for stand-alone equipment, plug-in radio devices, host equipment and test jigs, and it requires a repeatable test data sequence for measurements.
Clause 7 sets the methods for measuring effective radiated power, peak power density, frequency range and spurious emissions for transmitters and receivers. Clause 8 gives the measurement uncertainty values that the test report must respect and record.
What terms does SIST EN 300 328-1 V1.2.2:2003 define?
- Aggregate bitrate - the air-interface bitrate including protocol overhead where applicable, but excluding the effect of signal spreading.
- Frequency Hopping Spread Spectrum (FHSS) - a spread spectrum method where the signal moves between frequencies over time according to a hop pattern.
- Direct Sequence Spread Spectrum (DSSS) - a spread spectrum method that directly modulates the carrier with data and a known chip sequence.
- e.i.r.p. - equivalent isotropically radiated power, the radiated power level used for compliance limits.
- Power envelope - the frequency-power contour within which useful RF power is generated.
- Host - equipment that provides additional functionality to a plug-in radio device and is needed for it to operate.
- Plug-in radio device - radio equipment intended to work with or within a variety of host systems.
Who uses SIST EN 300 328-1 V1.2.2:2003?
SIST EN 300 328-1 V1.2.2:2003 is used by radio equipment manufacturers, applicants and accredited test laboratories. It is also used by type approval authorities and by organizations checking equipment intended for market access or compliance testing.
It is relevant to fixed, mobile and portable 2.4 GHz radio data equipment, including stand-alone units and plug-in devices used with host systems such as personal computers or hand-held terminals.
What changed in SIST EN 300 328-1 V1.2.2:2003 from the previous edition?
SIST EN 300 328-1 V1.2.2:2003 is an editorial update of ETS 300 328 as EN 300 328-1, made after the publication of EN 300 328-2. The history in the document shows earlier publications as ETS 300 328 and ETS 300 328 V1.2.2, then publication as EN 300 328-1.
Which standards are used with SIST EN 300 328-1 V1.2.2:2003?
- CEPT Recommendation T/R10-01 - provides the power and power density framework for spread spectrum systems with aggregate bitrates above 250 kbits/s.
- CEPT Recommendation T/R01-04 - gives spurious emission limits for low power devices and integral antennas, used where appropriate.
- CEPT Recommendation T/R71-03 - covers type testing and approval procedures for radio equipment intended for non-public systems.
- ETSI ETR 027 - supplies measurement methods for private mobile radio equipment, adapted where possible.
- ETSI ETR 028 - gives guidance on measurement uncertainty, used for the uncertainty values recorded in test reports.
- EN 300 328-2 - the related part of the same series covering the harmonized essential requirements under article 3.2 of the R&TTE Directive.
What does the SIST EN 300 328-1 V1.2.2:2003 document contain?
The document includes the declared operating and test conditions, the transmitter and receiver limit tables, and the measurement procedures for conducted and radiated testing. It also contains the test-site arrangements for open-air sites and anechoic chambers, plus substitution measurement methods.
Clause 7 provides the practical test sequences for power, power density, frequency range and spurious emissions, while the annexes show how to arrange antennas, distances and orientations. The document is written so laboratories can apply the same procedures to type tests, approval testing and market checks without changing the measurement basis.
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Frequently Asked Questions
SIST EN 300 328-1 V1.2.2:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Wideband Transmission systems; data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques; Part 1: Technical characteristics and test conditions". This standard covers: Editorial update of ETS 300 328 as EN 300 328-1, consequent to publishing EN 300 328-2.
Editorial update of ETS 300 328 as EN 300 328-1, consequent to publishing EN 300 328-2.
SIST EN 300 328-1 V1.2.2:2003 is classified under the following ICS (International Classification for Standards) categories: 33.060.99 - Other equipment for radiocommunications; 33.100.01 - Electromagnetic compatibility in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 328-1 V1.2.2:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.UD]SUãHQLPElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Wideband Transmission systems; data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques; Part 1: Technical characteristics and test conditions33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 300 328-1 Version 1.2.2SIST EN 300 328-1 V1.2.2:2003en01-december-2003SIST EN 300 328-1 V1.2.2:2003SLOVENSKI
STANDARD
ETSIEN300328-1V1.2.2(2000-07)EuropeanStandard(Telecommunicationsseries)Electromagneticcompatibilityand Radio spectrum Matters (ERM);WidebandTransmissionsystems;datatransmissionequipmentoperatinginthe2,4GHzISMbandandusingspreadspectrummodulationtechniques;Part1:TechnicalcharacteristicsandtestconditionsSIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)2ReferenceREN/ERM-TG11-001-1Keywordsdata,ISM,LAN,mobile,radio,spreadspectrum,testing,transmissionETSI650RoutedesLuciolesF-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 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.62References.73Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.94General.94.1Manufacturerdeclarations.94.2Presentationofequipmentfortypetesting.104.2.1Choiceofmodel.104.2.2Presentation.104.2.3Choiceofoperatingfrequencies.104.3Design.114.3.1General.114.3.2Controls.114.4Interpretationofthemeasurementresults.115Technicalcharacteristics.115.1Modulation.115.1.1FHSSmodulation.115.1.2DSSSandotherformsofmodulation.115.2Transmitterparameterlimits.125.2.1Effectiveradiatedpower.125.2.2Peakpowerdensity.125.2.3Frequencyrange.125.2.4Spuriousemissions.125.3Receiverparameterlimits.135.3.1General.135.3.2Spuriousemissions.136Testconditions.146.1Normalandextremetestconditions.146.2Powersources.146.2.1Powersourcesforstand-aloneequipment.146.2.2Powersourcesforplug-inradiodevices.146.3Normaltestconditions.146.3.1Normaltemperatureandhumidity.146.3.2Normalpowersource.156.3.2.1Mainsvoltage.156.3.2.2Lead-acidbatterypowersourcesusedonvehicles.156.3.2.3Otherpowersources.156.4Extremetestconditions.156.4.1Extremetemperatures.156.4.2Extremepowersourcevoltages.156.4.2.1Mainsvoltage.156.4.2.2Lead-acidbatterypowersourcesusedonvehicles.166.4.2.3Powersourcesusingothertypesofbatteries.166.4.2.4Otherpowersources.166.4.3Procedurefortestsatextremetemperatures.166.5Testingofhostconnectedequipmentandplug-inradiodevices.166.5.1AlternativeA:combinedequipment.166.5.2AlternativeB:useofahostortestjig.17SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)46.6Testdatasequence.177Methodsofmeasurement.177.1General.177.2Measurementsoftransmitterparameters.187.2.1Effectiveradiatedpower.187.2.2Peakpowerdensity.197.2.3FrequencyrangeofequipmentusingFHSSmodulation.207.2.4Frequencyrangeofequipmentusingotherformsofmodulation.217.2.5Spuriousemissions.227.3Measurementsofreceiverparameters.237.3.1General.237.3.2Spuriousemissions.238Measurementuncertaintyvalues.24AnnexA(normative):Testsitesandarrangementsforradiatedmeasurements.25A.1Testsites.25A.1.1Openairtestsites.25A.1.2Anechoicchamber.26A.1.2.1General.26A.1.2.2Description.26A.1.2.3Influenceofparasiticreflections.26A.1.2.4Calibrationandmodeofuse.27A.2Testantenna.28A.3Substitutionantenna.29AnnexB(normative):Generaldescriptionofmeasurement.30B.1Conductedmeasurementsanduseoftestfixture.30B.2Radiatedmeasurements.30B.3Substitutionmeasurement.31Bibliography.33History.34SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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-partENcoveringtheElectromagneticcompatibilityandRadioSpectrumMatters(ERM);WidebandTransmissionsystems;datatransmissionequipmentoperatinginthe2,4GHzISMbandandusingspreadspectrummodulationtechniques,asidentifiedbelow:Part1:"Technicalcharacteristicsandtestconditions";Part2:"HarmonizedENcoveringessentialrequirementsunderarticle3.2oftheR&TTEDirective".AnnexAprovidesadditionalrequirementsconcerningradiatedmeasurements.AnnexBcontainsnormativespecificationsfortheadjustmentofthemeasurementequipmentandoftheequipmenttobemeasuredinordertoachievecorrectresults.AnnexCprovidesaBibliography.NationaltranspositiondatesDateoflatestannouncementofthisEN(doa):31October2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30April2001DateofwithdrawalofanyconflictingNationalStandard(dow):30April2001IntroductionWidebandradiodatatransmissionsystemsarerapidlybeingintroducedintoavarietyofcommercialandindustrialapplicationsandthetechnologyemployedbythesesystemsisstilldeveloping.Thepresentdocumentmaybeusedbyaccreditedtestlaboratoriesfortheassessmentoftheperformanceoftheequipment.Theperformanceoftheequipmentsubmittedfortypetestingshouldberepresentativefortheperformanceofthecorrespondingproductionmodel.Inordertoavoidanyambiguityinthatassessment,thepresentdocumentcontainsinstructionsforthepresentationofequipmentfortypetestingpurposes(clause4),testingconditions(clause6)andmethodsofmeasurement(clause7).Thepresentdocumentassumesthat:-thetypetestmeasurementsperformedinanaccreditedtestlaboratoryinoneCEPTcountrywouldbeacceptedbytheTypeApprovalAuthorityinanothercountryprovidedthatthenationalregulatoryrequirementsaremet(seeCEPTRecommendationT/R71-03[3]);-ifequipmentavailableonthemarketisrequiredtobecheckeditwouldbetestedinaccordancewiththemethodsofmeasurementspecifiedinthepresentdocument.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)61ScopeThepresentdocumentcoversequipmentreferredtoinCEPTRecommendationT/R10-01[1].Thepresentdocumentcoverstheminimumtechnicalcharacteristicsforradiodatatransmissionequipmenthavingthefollowingtechnicalparameters:-widebandradiomodulationtechniques;-aggregatebitratesinexcessof250kbits/s;-operationinthe2,4to2,4835GHzIndustrial,ScientificandMedical(ISM)band;-effectiveradiatedpowerofupto-10dBW(100mW);-powerdensityofupto-10dBW(100mW)per100kHzforfrequencyhoppingmodulation;-powerdensityofupto-20dBW(10mW)per1MHzforotherformsofspreadspectrummodulation.Thepresentdocumentonlyaddressesthetransceivers,transmittersandreceiversofequipmentofferedfortesting.Theequipmentofferedfortestingmaybeusedinfixed,mobileorportableapplications,e.g.:-stand-aloneradioequipmentwithorwithouttheirowncontrolprovisions;-plug-inradiodevicesintendedforusewithorwithinavarietyofhostsystems,e.g.personalcomputers,hand-heldterminals,etc.Theequipmentmaybefittedwithintegralantennaeand/orantennaconnectors.CEPTRecommendationT/R10-01[1]definesthetotalpowerandpowerdensitylimitsforsystemsusingspreadspectrummodulationtogetherwithaminimumaggregatebitrateof250kbits/s.TheRecommendationdoesnotaddressthedetailsofthesemodulationtechniques.Therefore,thepresentdocumentdoesnotcoverthedesignoroperationoftheequipmentbeingtestedbutdescribesacommonsetofmeasurementstobeappliedtovarioustypesofsuchequipment,includingthoseemployingFrequencyHoppingSpreadSpectrum(FHSS)modulationandDirectSequenceSpreadSpectrum(DSSS)modulation.CEPTRecommendationT/R10-01[1]specifiesthatspreadspectrummodulationbeusedanditgivespowerdensityvaluesforFHSSandDSSSmodulation.ThepresentdocumentspecifiestheminimumtechnicalparametersofFHSSmodulationsuchthatitcanbeclearlydifferentiatedfromothertypesofmodulation,includingDSSSmodulation.CEPTRecommendationT/R01-04[2]defineslimitsofspuriousemissionsforavarietyofradioequipment;theselimitsareusedinthepresentdocumentasappropriate.Thepresentdocumentdescribesmeasurementsforoperatingfrequencyrange(s),effectiveradiatedpowerandpowerdensityaswellasspuriousemissionsfortransmittersandreceivers.ThemeasurementmethodshavebeenadaptedfromETR027[4]wherepossible.Thepresentdocumentspecifiestestsitecharacteristics,testconditions,equipmentcalibrationandmethodsofmeasurement.Thepresentdocumentisageneralstandardwhichmaybesupersededbyspecificstandardscoveringspecificapplications.AdditionalstandardsorspecificationsmayberequiredforequipmentsuchasthatintendedforconnectiontothePublicSwitchedTelephoneNetwork(PSTN)and/orotherPublicDataNetworks(PDN).SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)72ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,Versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestVersionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterVersionspublishedasanENwiththesamenumber.[1]CEPTRecommendationT/R10-01:"WideBandDataTransmissionSystemsUsingSpread-SpectrumTechnologyinthe2,5GHzBand".[2]CEPTRecommendationT/R01-04:"UseofLowPowerDevices(LPD)UsingIntegralAntennasandOperatinginHarmonizedFrequencyBands".[3]CEPTRecommendationT/R71-03:"ProceduresforTypeTestingandApprovalforRadioEquipmentIntendedforNon-PublicSystems".[4]ETSIETR027:"RadioEquipmentandSystems(RES);Methodsofmeasurementforprivatemobileradioequipment".[5]ETSIETR028:"RadioEquipmentandSystems(RES);Uncertaintiesinthemeasurementofmobileradioequipmentcharacteristics".SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)83Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:aggregatebitrate:bitrateattheairinterface(seepointDinfigure1)includingprotocoloverheadwhereapplicableandexcludingtheeffectsofsignalspreading.ABCDDatabufferprocessingradiodevicedata1datanclock1clocknsignalspreadingTxamplifierspreadingsignaltransmitterA:InterfaceB:InputintoprocessinglogicC:InputintothemodulatorD:AirInterfaceFigure1:Parametersrelatedtotheaggregatebitratechip:unitofmodulationusedindirectsequencespreadspectrummodulation.chiprate:numberofchipspersecond.chipsequence:sequenceofchipswithdefinedlengthanddefinedchippolarities.directsequencespreadspectrummodulation:formofmodulationwhereacombinationofdatatobetransmittedandaknowncodesequence(chipsequence)isusedtodirectlymodulateacarrier,e.g.byphaseshiftkeying.Thetransmittedbandwidthisdeterminedbythechiprateandthemodulationscheme.fixedstation:equipmentintendedforuseinafixedlocationandfittedwithoneormoreantennae.Theequipmentmaybefittedwitheitherantennasocket(s)orintegralantenna(e)orboth.frequencyhoppingspreadspectrummodulation:spreadspectrumtechniqueinwhichthetransmittersignaloccupiesanumberoffrequenciesintime,eachforsomeperiodoftime,referredtoasthedwelltime.Transmitterandreceiverfollowthesamefrequencyhoppattern.Thefrequencyrangeisdeterminedbythelowestandhighesthoppositionsandthebandwidthperhopposition(seesubclause5.2.3).frequencyrange:rangeofoperatingfrequenciesoverwhichtheequipmentcanbeadjusted.hand-portablestation:equipmentnormallyusedonastand-alonebasisandtobecarriedbyapersonorheldinthehand.Theequipmentmaybefittedwithoneormoreantennae.Theequipmentmaybefittedwitheitherantennasocket(s)orintegralantenna(e)orboth.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)9host:hostequipmentisanyequipmentwhichhascompleteuserfunctionalitywhennotconnectedtotheradioequipmentpartandtowhichtheradioequipmentpartprovidesadditionalfunctionalityandtowhichconnectionisnecessaryfortheradioequipmentparttoofferfunctionality.integralantenna:antennadesignedtobeconnectedtotheequipmentwithouttheuseofastandardconnectorandconsideredtobepartoftheequipment.Anintegralantennamaybefittedinternallyorexternallytotheequipment.manufacturer:forthepurposesofthepresentdocument"manufacturer"isunderstoodtorefertothemanufacturerorapplicantofequipmentofferedfortesting.mobilestation:equipmentnormallyusedinavehicleorasatransportablestation.Theequipmentmaybefittedwithoneormoreantennae.Theequipmentmaybefittedwitheitherantennasocket(s)orintegralantenna(e)orboth.operatingfrequency:nominalfrequencyatwhichtheequipmentcanbeoperated;thisisalsoreferredtoastheoperatingcentrefrequency.Equipmentmaybeadjustableforoperationatmorethanoneoperatingfrequency.plug-inradiodevice:equipmentintendedtobeusedwithorwithinvarietyofhostsystems,usingtheircontrolfunctionsandpowersupply.powerenvelope:frequency/powercontourwithinwhichtheusefulRFpowerisgenerated.spreadspectrummodulation:modulationtechniqueinwhichtheenergyofatransmittedsignalisspreadthroughoutarelativelylargeportionofthefrequencyspectrum.stand-aloneradioequipment:equipmentthatisintendedprimarilyascommunicationsequipmentandthatisnormallyusedonastand-alonebasis.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:dBmdBrelativeto1milliwattpowerdBWdBrelativeto1wattpowerDSSSDirectSequenceSpreadSpectrume.i.r.p.equivalentisotropicallyradiatedpowerFHSSFrequencyHoppingSpreadSpectrumISMIndustrial,ScientificandMedicalRFRadioFrequencyTxTransmitter4General4.1ManufacturerdeclarationsThemanufacturershalldeclarethefollowingspecificcharacteristicsoftheequipment:a)theaggregatebitrate(seesubclause3.1forthedefinition);b)thetypeofmodulationused:FHSSmodulation,DSSSmodulationoranyothertypeofspreadspectrummodulation(seesubclause5.1);c)whereFHSSmodulationisused:thenumberofhoppingchannels,thedwelltimeperchannelandthemaximumtimebetweentwoinstancesofuseofthesamechannel;thesevaluesshallfallwithinthespecificationsgiveninsubclause5.1.1;d)theoperatingfrequencyrange(s)oftheequipmentand,whereapplicable,band(s)ofoperation(seesubclause5.2.3);SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)10e)thetypeoftheequipment,forexample:stand-aloneequipmentorplug-inradiodevices(seealsosubclause3.1).Incaseofcombinedequipmentusingaplug-inradiodevice,andmorethanonecombinationisintended,eachcombinationshouldbedeclaredaswell(seealsosubclause6.5.1);f)theextremeoperatingconditionsthatapplytotheequipmentofferedfortesting;g)wheretheradioequipmentiscapableofdifferenttransmitterpowersettings,themanufacturershalldeclaretheintendedcombination(s)oftheradioequipmentpowersettingsandoneormoreantennaassemblies.Foreachcombination,thegainoftheantennaassemblyi.e.thetransferfunctionbetweentheconductedRFpowerande.i.r.p.,shallbedeclared;h)thenominalvoltagesofthestand-aloneradioequipmentorthenominalvoltagesofthehostequipmentincaseofplug-indevices.Wherethemanufactureroffersdifferentcombinationsofequipmentandantennae,theantennaeappropriateforagivencombinationshallbereferencedeitherontheequipmentandontheantennaeand/orintheuserdocumentation.4.2Presentationofequipmentfortypetesting4.2.1ChoiceofmodelThemanufacturershallofferoneormoreproductionmodelsorequivalentpreliminarymodels,asappropriate,fortypetesting.Iftypeapprovalisgivenonthebasisoftestson(a)preliminarymodel(s),thenthecorrespondingproductionmodelsshallbeidenticaltothetestedmodelsinallrespectsrelevantforthepurposesofthepresentdocument,tothepreliminarymodel(s)tested.Softwarefittedtoproductionmodelsshallbesubstantiallythesameasthatusedduringtypetesting.DuetothelowlevelsofRFsignalandthewidebandmodulationsusedinthistypeofequipment,radiatedRFpowermeasurementsareimprecise.Conductedmeasurementsaremuchmoreprecise;incombinationwiththedeclaredantennaassemblygain(s)adequateassuranceoftheRFcharacteristicscanbeachieved.Therefore,equipmentofferedfortestingshallpreferablyprovideasuitableconnectorforconductedRFpowermeasurements.Wherethisisnotpossible,themanufacturershallprovideadocumentedtestfixturethatconvertstheradiatedsignalintoaconductedsignalintoasuitabletermination.Alternatively,radiatedmeasurementsshallbeperformed.4.2.2PresentationStand-aloneequipmentshallbeofferedcompletewithanyancillaryequipmentneededfortesting.Themanufacturershalldeclare,therangeofoperatingconditionsandpowerrequirementsasapplicableinordertoestablishtheappropriatetestconditions.Plug-inradiodevicesmaybeofferedfortestingtogetherwithasuitabletestjigand/orhostequipmentintendedfornormaluse(seesubclause6.5).Themanufacturershalldeclaretherangeofoperatingconditionsandpowerrequirementsthatareapplicableinordertoestablishtheappropriatetestconditions.Whereamanufacturerdeclaresmultiplecombinationsofradioequipmentandantennae,theconfigurationtobeusedfortestingshallbechosenasfollowsexceptwherespecifiedotherwise:-foreachcombination,determinethehighestuserselectablepowerlevelandtheantennaassemblywiththehighestgain;-fromtheresultingcombinations,choosetheonewiththehigheste.i.r.p.4.2.3ChoiceofoperatingfrequenciesWhereequipmentcanbeadjustedtooroperatedatdifferentoperatingfrequencies,aminimumoftwooperatingfrequenciesshallbechosensuchthatthelowerandhigherlimitsoftheoperatingrange(s)oftheequipmentarecovered(seesubclause5.2.3).SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)114.3Design4.3.1GeneralTheequipmentsubmittedbythemanufacturer,shallbedesigned,constructedandmanufacturedinaccordancewithgoodengineeringpractice,andwiththeaimofminimizingharmfulinterferencetootherequipmentandservices.4.3.2ControlsThosecontrols(oftheradiopart)which,ifmaladjusted,mightincreasetheinterferingpotentialoftheequipmentshallnotbeeasilyaccessibletotheuser.4.4InterpretationofthemeasurementresultsTheinterpretationofthetestresultsrecordedinatestreportforthemeasurementsdescribedinthepresentdocumentshallbeasfollows:a)themeasuredvaluerelatedtothecorrespondinglimitshallbeusedtodecidewhetheranequipmentmeetstherequirementsoftheEN;b)theactualmeasurementuncertaintyofthetestlaboratorycarryingoutthemeasurements,foreachparticularmeasurement,inaccordancewithETR028[5],shallberecordedinthetestreport.Therecordedvalueofthemeasurementuncertaintyshallbe,foreachmeasurement,equaltoorlowerthanthefiguresinclause8(tableofmeasurementuncertainty).5Technicalcharacteristics5.1ModulationThemanufacturershalldeclarethemodulationcharacteristicsoftheequipmenttobetested.Forthepurposeofdecidingwhichlevelofpowerdensityappliestoequipmentofferedfortesting,thepresentdocumentdefinestwocategoriesofequipment:equipmentconformingtothestatedcharacteristicsofFHSSmodulation(seesubclause5.1.1)andequipmentnotconformingtothesecharacteristics.ThelattercategoryincludesequipmentusingDSSSmodulation(seesubclause5.1.2).5.1.1FHSSmodulationFHSSmodulationshallmakeuseofatleast20welldefined,non-overlappingchannelsorhoppingpositionsseparatedbythechannelbandwidthasmeasuredat20dBbelowpeakpower.Thedwelltimeperchannelshallnotexceed0,4seconds.Whiletheequipmentisoperating(transmittingand/orreceiving)eachchannelofthehoppingsequenceshallbeoccupiedatleastonceduringaperiodnotexceedingfourtimestheproductofthedwelltimeperhopandthenumberofchannels.SystemsthatmeettheaboveconstraintsshallbetestedaccordingtotherequirementsforFHSSmodulation.5.1.2DSSSandotherformsofmodulationForthepurposesofthepresentdocument,otherformsofspreadspectrummodulationwhichdonotsatisfytheconstraintsofthespecificationgiveninsubclause5.1.1,shallbeconsideredequivalenttoDSSSmodulation.SystemsusingtheseotherformsofmodulationshallbeconsideredequivalenttoDSSSsystemsandshallbetestedaccordingtotherequirementsforDSSSmodulation.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)125.2Transmitterparameterlimits5.2.1EffectiveradiatedpowerTheeffectiveradiatedpowerisdefinedasthetotalpowerofthetransmitterandiscalculatedaccordingtotheproceduregiveninsubclause7.2.1.Theeffectiveradiatedpowershallbeequaltoorlessthan-10dBW(100mW)e.i.r.p.Thislimitshallapplyforanycombinationofpowerlevelandintendedantennaassembly.Seeclause6forthetestconditions;seesubclause7.2.1forthemeasurementmethod.5.2.2PeakpowerdensityThepeakpowerdensityisdefinedasthehighestinstantaneouslevelofpowerinWattsperHertzgeneratedbythetransmitterwithinthepowerenvelope.ForequipmentusingFHSSmodulation,thepowerdensityshallbelimitedto-10dBW(100mW)per100kHze.i.r.p.Forequipmentusingothertypesofmodulation,thepeakpowershallbelimitedto-20dBW(10mW)perMHze.i.r.p.Seeclause6forthetestconditions;seesubclause7.2.2forthemeasurementandcalculationmethods.5.2.3FrequencyrangeThefrequencyrangeoftheequipmentisdeterminedbythelowestandhighestfrequenciesoccupiedbythepowerenvelope.fHisthehighestfrequencyofthepowerenvelope:itisthefrequencyfurthestabovethefrequencyofmaximumpowerwheretheoutputpowerdropsbelowthelevelof-80dBm/Hze.i.r.p.spectralpowerdensity(-30dBmifmeasuredina100kHzbandwidth).fListhelowestfrequencyofthepowerenvelope;itisthefrequencyfurthestbelowthefrequencyofmaximumpowerwheretheoutputpowerdropsbelowthelevelequivalentto-80dBm/Hze.i.r.p.spectralpowerdensity(or-30dBmifmeasuredina100kHzbandwidth).Foragivenoperatingfrequency,thewidthofthepowerenvelopeis(fH-fL).Inequipmentthatallowsadjustmentorselectionofdifferentoperatingfrequencies,thepowerenvelopetakesupdifferentpositionsintheallocatedband.ThefrequencyrangeisdeterminedbythelowestvalueoffLandthehighestvalueoffHresultingfromtheadjustmentoftheequipmenttothelowestandhighestoperatingfrequencies.Forallequipmentthefrequencyrangeshallliewithintheband2,4GHzto2,4835GHz(fL>2,4GHzandfH<2,4835GHz).Seeclause6forthetestconditions;seesubclauses7.2.3and7.2.4forthemeasurementmethods.5.2.4SpuriousemissionsSpuriousemissionsareemissionsoutsidethefrequencyrange(s)oftheequipmentasdefinedinsubclause5.2.3.Thelevelofspuriousemissionsshallbemeasuredas:either:a)theirpowerinaspecifiedload(conductedspuriousemissions);andb)theireffectiveradiatedpowerwhenradiatedbythecabinetorstructureoftheequipment(cabinetradiation);or:c)theireffectiveradiatedpowerwhenradiatedbycabinetandantenna.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)13Thespuriousemissionsofthetransmittershallnotexceedthevaluesintables1and2intheindicatedbands.Table1:TransmitterlimitsfornarrowbandspuriousemissionsFrequencyRangeLimitwhenoperatingLimitwheninstandby30MHzto1GHz-36dBm-57dBmabove1GHzto12,75GHz-30dBm-47dBm1,8GHzto1,9GHz5,15GHzto5,3GHz-47dBm-47dBmTheabovelimitvaluesapplytonarrowbandemissions,e.g.ascausedbylocaloscillatorleakage.Themeasurementbandwidthforsuchemissionsmaybeassmallasnecessarytoachieveareliablemeasurementresult.Widebandemissionsshallnotexceedthevaluesgivenintable2.Table2:TransmitterlimitsforwidebandspuriousemissionsFrequencyRangeLimitwhenoperatingLimitwheninstandby30MHzto1GHz-86dBm/Hz-107dBm/Hzabove1GHzto12,75GHz-80dBm/Hz-97dBm/Hz1,8GHzto1,9GHz5,15GHzto5,3GHz-97dBm/Hz-97dBm/HzSeeclause6forthetestconditions;seesubclause7.2.5forthemeasurementmethods.5.3Receiverparameterlimits5.3.1GeneralThepresentdocumentdoesnotimposelimitsonthereceiveroftheequipmentotherthanspuriousemissionlimits.5.3.2SpuriousemissionsThelevelofspuriousemissionsshallbemeasuredas:either:a)theirpowerinaspecifiedload(conductedspuriousemissions);andb)theireffectiveradiatedpowerwhenradiatedbythecabinetorstructureoftheequipment(cabinetradiation);or:c)theireffectiveradiatedpowerwhenradiatedbycabinetandantenna.Thespuriousemissionsofthereceivershallnotexceedthevaluesintables3and4intheindicatedbands.Table3:NarrowbandspuriousemissionlimitsforreceiversFrequencyRangeLimit30MHzto1GHz-57dBmabove1GHzto12,75GHz-47dBmTheabovelimitvaluesapplytonarrowbandemissions,e.g.ascausedbylocaloscillatorleakage.Themeasurementbandwidthforsuchemissionsmaybeassmallasnecessarytogetareliablemeasurementresult.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)14Widebandemissionsshallbenotexceedthevaluesgivenintable4.Table4:WidebandspuriousemissionlimitsforreceiversFrequencyRangeLimit30MHzto1GHz-107dBm/Hzabove1GHzto12,75GHz-97dBm/HzSeeclause6forthetestconditions;seesubclause7.3forthemeasurementmethods.6Testconditions6.1NormalandextremetestconditionsTypetestsshallbemadeundernormaltestconditionsandwherestatedinthemethodsofmeasurement(seealsoclause7),underextremeconditions(subclause6.4.1).Exceptionstothemeasurementproceduresgiveninthisclauseshallberecordedinthetestreport.6.2Powersources6.2.1Powersourcesforstand-aloneequipmentDuringtypetests,thepowersourceoftheequipmentshallbereplacedbyatestpowersourcecapableofproducingnormalandextremetestvoltagesasspecifiedinsubclauses6.3.2and6.4.2.Theinternalimpedanceofthetestpowersourceshallbelowenoughforitseffectonthetestresultstobenegligible.Forthepurposeoftests,thevoltageofthepowersourceshallbemeasuredattheinputterminalsoftheequipment.Forbatteryoperatedequipmentthebatteryshallberemovedandthetestpowersourceshallbeappliedasclosetothebatteryterminalsaspracticable.Duringteststhepowersourcevoltagesshallbemaintainedwithinatoleranceof±1%relativetothevoltageatthebeginningofeachtest.Thevalueofthistoleranceiscriticaltopowermeasurements;usingasmallertolerancewillprovidebettermeasurementuncertaintyvalues.6.2.2Powersourcesforplug-inradiodevicesThepowersourcefortestingplug-inradiodevicesshallbeprovidedbyatestjigorhostequipment.Wherethehostequipmentand/ortheplug-inradiodeviceisbatterypowered,thebatterymayberemovedandthetestpowersourceappliedasclosetothebatteryterminalsaspracticable.6.3Normaltestconditions6.3.1NormaltemperatureandhumidityThenormaltemperatureandhumidityconditionsfortestsshallbeanyconvenientcombinationoftemperatureandhumiditywithinthefollowingranges:-temperature:+15°Cto+35°C;-relativehumidity:20%to75%.Whenitisimpracticabletocarryoutthetestsundertheseconditions,anotetothiseffect,statingtheambienttemperatureandrelativehumidityduringthetests,shallberecordedinthetestreport.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)15Theactualvaluesduringthetestsshallberecordedinthetestreport.6.3.2Normalpowersource6.3.2.1MainsvoltageThenormaltestvoltageforequipmenttobeconnectedtothemainsshallbethenominalmainsvoltage.Forthepurposeofthepresentdocument,thenominalvoltageshallbethedeclaredvoltageoranyofthedeclaredvoltagesforwhichtheequipmentwasdesigned.ThefrequencyofthetestpowersourcecorrespondingtotheACmainsshallbebetween49Hzand51Hz.6.3.2.2Lead-acidbatterypowersourcesusedonvehiclesWhenradioequipmentisintendedforoperationfromtheusual,alternatorfedlead-acidbatterypowersourceusedonvehicles,thenthenormaltestvoltageshallbe1,1timesthenominalvoltageofthebattery(6V,12V,etc.).6.3.2.3OtherpowersourcesForoperationfromotherpowersourcesortypesofbattery(primaryorsecondary),thenominaltestvoltageshallbeasdeclaredbytheequipmentmanufacturer.Thisshallberecordedinthetestreport.6.4Extremetestconditions6.4.1ExtremetemperaturesFortestsatextremetemperatures,measurementsshallbemadeinaccordancewiththeproceduresspecifiedinsubclause6.4.3,attheupperandlowertemperaturesoftherangeasfollows:-temperature:-20°Cto+55°C;Wherethemanufacturer'sdeclaredoperatingrangedoesnotincludetherangeof-20°Cto+55°C,theequipmentshallbetestedoverthefollowingtemperatureranges:a)0°Cto+35°Cforequipmentintendedforindooruseonly,orintendedforuseinareaswherethetemperatureiscontrolledwithinthisrange;b)overtheextremesoftheoperatingtemperaturerange(s)ofthedeclaredhostequipment(s)incaseofplug-inradiodevices.Thefrequencyrangeasinsubclause5.2.3andthee.i.r.p.limitinsubclause5.2.1shallnotbeexceeded.Thetemperaturerangeusedinthetypetestingshallberecordedinthetestreportandshallbestatedintheusermanual.6.4.2ExtremepowersourcevoltagesTestsatextremepowersourcevoltagesspecifiedbelowarenotrequiredwhentheequipmentundertestisdesignedforoperationaspartofandpoweredbyanothersystemorpieceofequipment.Wherethisisthecase,thelimitvaluesofthehostsystemorhostequipmentshallapply.Theappropriatelimitvaluesshallbedeclaredbythemanufacturerandrecordedinthetestreport.6.4.2.1MainsvoltageTheextremetestvoltageforequipmenttobeconnectedtoanACmainssourceshallbethenominalmainsvoltage±10%.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)166.4.2.2Lead-acidbatterypowersourcesusedonvehiclesWhenradioequipmentisintendedforoperationfromtheusualtypeofalternatorfedlead-acidbatterypowersourceusedonvehicles,thenextremetestvoltageshallbe1,3and0,9timesthenominalvoltageofthebattery(6V,12Vetc.).6.4.2.3PowersourcesusingothertypesofbatteriesThelowerextremetestvoltagesforequipmentwithpowersourcesusingthefollowingtypesofbattery,shallbe:-fortheLeclanchéorlithiumtypebattery:0,85timesthenominalvoltageofthebattery;-forthemercuryornickel-cadmiumtypeofbattery:0,9timesthenominalvoltageofthebattery.Inbothcases,theupperextremetestvoltageshallbe1,15timesthenominalvoltageofthebattery.6.4.2.4OtherpowersourcesForequipmentusingotherpowersources,orcapableofbeingoperatedfromavarietyofpowersources(primaryorsecondary),theextremetestvoltagesshallbethosedeclaredbythemanufacturer;theseshallberecordedinthetestreport.6.4.3ProcedurefortestsatextremetemperaturesBeforemeasurementsaremadetheequipmentshallhavereachedthermalbalanceinthetestchamber.Theequipmentshallbeswitchedoffduringthetemperaturestabilizingperiod.Inthecaseofequipmentcontainingtemperaturestabilizingcircuitsdesignedtooperatecontinuously,thesecircuitsshallbeswitchedonfor15minutesafterthermalbalancehasbeenreached.Afterthistimetheequipmentshallmeetthespecifiedrequirements.Forthistypeofequipmentthemanufacturershallprovideforthepowersourcecircuitfeedingthesecircuitstobeindependentofthepowersourceoftherestoftheequipment.Ifthermalbalanceisnotcheckedbymeasurements,atemperaturestabilizingperiodofatleastonehour,orsuchperiodasmaybedecidedbythetestinglaboratory,shallbeallowed.Thesequenceofmeasurementsshallbechosenandthehumiditycontentinthetestchambershallbecontrolledsothatexcessivecondensationdoesnotoccur.Beforetestsattheupperextremetemperature,theequipmentshallbeplacedinthetestchamberandleftuntilthermalbalanceisattained.Theequipmentshallthanbemadetotransmitthetestdatasequence(seesubclause6.6)foratleastoneminute,followedbyfourminutesinthereceivecondition,afterwhichtheequipmentshallmeetthespecifiedrequirements.Fortestsatthelowerextremetemperature,theequipmentshallbeleftinthetestchamberuntilthermalbalanceisattained,thenswitchedtothestandbyorreceiveconditionforaperiodofoneminuteafterwhichtheequipmentshallmeetthespecifiedrequirements.6.5Testingofhostconnectedequipmentandplug-inradiodevicesForequipmentforwhichconnectiontoorintegrationwithhostequipmentisrequiredtoofferfunctionality,twoalternativeapproachesarepermitted.Themanufacturershalldeclarewhichalternativeshallbeused.6.5.1AlternativeA:combinedequipmentAcombinationofaradioequipmentpartandaspecifictypeofhostequipmentmaybeusedfortestingaccordingtothepresentdocument.Wheremorethanonesuchcombinationisintended,testingshallnotberepeatedforcombinationsofradiopartsandhostequipmentwherethelatteraresubstantiallysimilar.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)17Wheremorethanonesuchcombinationisintendedandhostsystemsarenotsubstantiallysimilar,onecombinationshallbetestedagainstallrequirementsofthepresentdocument;othercombinationsshallbetestedseparatelyforradiatedspuriousemissionsonly.6.5.2AlternativeB:useofahostortestjigWheretheradioequipmentpartisintendedforusewithavarietyofhostsystems,themanufacturershallsupplyasuitabletestconfigurationconsistingofeitherahostsystemintendedfornormaluseoratestjigthatisrepresentativeoftherangeofhostsystemsinwhichthedevicemaybeused.Thetestjigshallallowtheradioequipmentparttobepoweredandstimulatedinawaysimilartothewayitwouldbepoweredandstimulatedwhenconnectedtoorinsertedintohostequipment.Measurementsshallbemadetoallrequirementsofthepresentdocument.6.6TestdatasequenceThemanufacturershalldescribeandprovideatestdatasequencewithwhichthetransmitterismodulatedduringthemeasurementsdescribedinthepresentdocument.Thetestdatasequenceshallspreadthetransmittedpowerthroughoutthepowerenvelope.WheretheequipmentisnotcapableofcontinuousRFtransmission,thetestdatasequenceshallbesuchthat:-thegeneratedRFsignalisthesameforeachtransmission;-transmissionsoccurregularlyintime;-sequencesoftransmissionscanberepeatedaccurately.Thesametestdatasequenceshallbeusedforallmeasurementsonthesameequipment.Forfrequencyhoppingsystemsthemanufacturershallsupplyameansofselectingthehopfrequenciesrequiredbythepresentdocument.7Methodsofmeasurement7.1GeneralThissubclausedescribesmethodsofmeasurementforthefollowingtransmitterparameters:-theeffectiveradiatedpower;-thepeakpowerdensity;-thefrequencyrange(s);-thetransmitterspuriousemissions.Thissubclausedescribesmethodsofmeasurementforthefollowingreceiverparameters:-thereceiverspuriousemissions.Thefollowingmethodsofmeasurementshallapplytothetestingofstand-aloneunitsandtotheequipmentconfigurationsidentifiedinsubclause6.5.SIST EN 300 328-1 V1.2.2:2003
ETSIETSIEN300328-1V1.2.2(2000-07)187.2Measurementsoftransmitterparameters7.2.1EffectiveradiatedpowerTheeffectiveradiatedpowershallbedeterminedandrecordedinthetestreport.Thefollowingshallbeappliedtothecombination(s)oftheradiodeviceanditsintendedantenna(e).InthecasethattheRFpowerlevelisuseradjustable,allmeasurementsshallbemadewiththehighestpowerlevelavailabletotheuserforthatcombination.Thefollowingmethodofmeasurementshallapplytobothconductedandradiatedmeasurements.Inthecaseofradiatedmeasurements,usingatestsiteasdescribedinannexAandapplicablemeasurementproceduresasdescribedinannexB,theeffectiveradiatedpowerasdefinedinsubclause5.2.1shallbemeasuredandrecordedinthetestreport.Incaseofconductedmeasurements,thetransmittershallbeconnectedtothemeasuringequipmentviaasuitableattenuatorandtheRFpowerasdefinedinsubclause5.2.1shallbemeasuredandrecordedinthetestreport.Themeasurementshallbeperformedusingnormaloperationoftheequipmentwithmodulation,usingthetestdatasequence,applied.Thetestprocedureshallbeasfollows:-step1:-usingasuitablemeans,theoutputofthetransmittershallbecoupledtoadiodedetector;-theoutputofthediodedetectorshallbeconnectedtotheverticalchannelofanoscilloscope;-thecombinationofthediodedetectorandtheoscilloscopeshallbecapableoffaithfullyreproducingtheenvelopep
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