SIST EN 300 422-1 V2.1.2:2017

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.(8Wireless Microphones - Audio PMSE up to 3 GHz - Part 1: Class A Receivers - Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU33.160.50PriborAccessoriesICS:Ta slovenski standard je istoveten z:ETSI EN 300 422-1 V2.1.2 (2017-01)SIST EN 300 422-1 V2.1.2:2017en01-marec-2017SIST EN 300 422-1 V2.1.2:2017SLOVENSKI
STANDARD



SIST EN 300 422-1 V2.1.2:2017



ETSI EN 300 422-1 V2.1.2 (2017-01) Wireless Microphones; Audio PMSE up to 3 GHz; Part 1: Class A Receivers; Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU
HARMONISED EUROPEAN STANDARD SIST EN 300 422-1 V2.1.2:2017



ETSI ETSI EN 300 422-1 V2.1.2 (2017-01) 2
Reference REN/ERM-TG17-18-C1 Keywords audio, harmonised standard, radio, radio MIC, testing ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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ETSI ETSI EN 300 422-1 V2.1.2 (2017-01) 3 Contents Intellectual Property Rights . 7 Foreword . 7 Modal verbs terminology . 8 Executive summary . 8 Introduction . 8 1 Scope . 10 2 References . 11 2.1 Normative references . 11 2.2 Informative references . 11 3 Definitions, symbols and abbreviations . 13 3.1 Definitions . 13 3.2 Symbols . 15 3.3 Abbreviations . 15 4 Technical requirements specifications . 16 4.1 Radio microphone . 16 4.2 In ear monitoring . 16 4.3 Tour Guide Systems . 17 4.4 Wireless Multichannel Audio Systems. 17 4.5 Environmental profile . 17 5 Testing for compliance with technical requirements . 18 5.1 Presentation of equipment for testing purposes . 18 5.1.1 Introduction. 18 5.1.2 Choice of model for testing . 18 5.1.3 Definitions of alignment and switching ranges . 19 5.1.4 Choice of frequencies . 19 5.1.5 Testing of single channel equipment . 19 5.1.6 Testing of two channel equipment . 19 5.1.7 Testing of multi-channel equipment (more than two channels) . 19 5.1.8 Testing of equipment without a permanent external RF port . 19 5.1.8.1 General . 19 5.1.8.2 Equipment with a permanent internal RF port . 19 5.1.8.3 Equipment with a temporary RF port . 20 5.2 Mechanical and electrical design . 20 5.2.1 General . 20 5.2.2 Physical Controls . 20 5.2.3 Performance testing with integral antenna . 20 6 Test conditions, power sources and ambient conditions . 20 6.1 Normal and extreme test conditions . 20 6.2 Test power source . 20 6.3 Normal test conditions . 21 6.3.1 Normal temperature and humidity . 21 6.3.2 Normal test power source voltage . 21 6.3.2.1 Mains voltage . 21 6.3.2.2 Other power sources . 21 6.4 Extreme test conditions . 21 6.4.1 Extreme temperatures . 21 6.4.1.1 General . 21 6.4.1.2 Procedures for tests at extreme temperatures . 21 6.4.2 Extreme test power source voltages . 22 6.4.2.1 Mains voltage . 22 6.4.2.2 Other power sources . 22 SIST EN 300 422-1 V2.1.2:2017



ETSI ETSI EN 300 422-1 V2.1.2 (2017-01) 4 7 General conditions . 22 7.1 Normal test modulation . 22 7.1.1 Analogue systems . 22 7.1.2 Digital systems . 23 7.1.3 WMAS . 24 7.2 Artificial antenna . 24 7.2.1 General . 24 7.3 Test fixture . 24 7.3.1 General . 24 7.4 Test site and general arrangements for radiated measurements. 24 7.4.1 Introduction. 24 7.5 Modes of operation of the transmitter . 25 7.5.1 General . 25 7.6 Arrangement for test signals at the input of the transmitter . 25 7.6.1 General . 25 8 Methods of measurement and limits for transmitter parameters . 25 8.1 Frequency stability . 25 8.1.1 Method of measurement (analogue) . 25 8.1.2 Method of measurement (digital) . 25 8.1.3 Limit . 25 8.2 Rated output power . 26 8.2.1 Method of measurement for equipment without integral antenna . 26 8.2.2 Method of measurement for equipment with integral antenna. 26 8.2.2.1 Method of measurement under normal test conditions . 26 8.2.3 Limit . 26 8.3 Necessary bandwidth . 26 8.3.1 General . 26 8.3.2 Necessary Bandwidth (BN) for Analogue Systems . 27 8.3.2.1 Method of Measurement . 27 8.3.2.2 Limits . 28 8.3.3 Necessary Bandwidth (BN) for Digital Systems . 28 8.3.3.1 Method of Measurement . 28 8.3.3.2 Limits . 30 8.3.4 Necessary Bandwidth (BN) for WMAS . 31 8.3.4.1 Applicability. 31 8.3.4.2 Method of measurement . 31 8.3.4.3 Limits . 32 8.3.5 Bandwidth measurement procedure for PMSE operation in 2,4 GHz to 2,4835 GHz . 33 8.3.5.1 Applicability . 33 8.3.5.2 Definition . 33 8.3.5.3 Limits . 33 8.3.5.4 Conformance . 33 8.3.5.4.1 Test conditions . 33 8.3.5.4.2 Test method . 33 8.3.6 Transmitter Unwanted Emissions in the Out-of-band Domain Alternative Measurement Procedure . 34 8.3.6.1 Applicability . 34 8.3.6.2 Definition . 34 8.3.6.3 Limit . 34 8.3.6.4 Conformance . 35 8.3.6.4.1 Test conditions . 35 8.3.6.4.2 Test method . 35 8.4 Spurious emissions . 37 8.4.1 Definition . 37 8.4.2 Method of measurement . 37 8.4.3 Limits . 37 8.4.4 Measuring receiver . 37 8.5 Transmitter intermodulation distortion . 38 8.5.1 Definition . 38 8.5.2 Method of measurement . 38 8.5.3 Limits . 39 SIST EN 300 422-1 V2.1.2:2017



ETSI ETSI EN 300 422-1 V2.1.2 (2017-01) 5 9 Receiver . 39 9.1 Spurious emissions . 39 9.1.1 Definitions . 39 9.1.2 Method of measuring the power level in a specified load. 40 9.1.3 Method of measuring the effective radiated power of the enclosure . 40 9.1.4 Method of measuring the effective radiated power . 40 9.1.5 Limits . 41 9.2 Receiver sensitivity . 41 9.2.1 Definition . 41 9.2.2 Method of measurement . 41 9.2.3 Limits . 42 9.3 Receiver adjacent channel selectivity . 42 9.3.1 Definition . 42 9.3.2 Method of measurement . 42 9.3.3 Limits . 43 9.4 Receiver blocking . 43 9.4.1 Definition . 43 9.4.2 Method of measurement . 43 9.4.3 Limits . 44 10 Measurement uncertainty . 44 Annex A (informative): Relationship between the present document and the essential requirements of Directive 2014/53/EU . 45 Annex B (normative): Measurement of Necessary Bandwidth (B) for analogue systems . 46 B.1 Test configuration for measurement of the Necessary Bandwidth (B) for analogue systems . 46 Annex C (normative): Radiated measurement . 47 C.1 Test sites and general arrangements for measurements involving the use of radiated fields . 47 C.1.1 General . 47 C.1.2 Anechoic chamber . 47 C.1.3 Anechoic chamber with a conductive ground plane . 48 C.1.4 Open Area Test Site (OATS) . 49 C.1.5 Test antenna . 50 C.1.6 Substitution antenna . 50 C.1.7 Measuring antenna . 51 C.1.8 Stripline arrangement . 51 C.1.8.1 General . 51 C.1.8.2 Description . 51 C.1.8.3 Calibration . 51 C.1.8.4 Mode of use . 51 C.2 Guidance on the use of radiation test sites . 51 C.2.1 General . 51 C.2.2 Verification of the test site . 51 C.2.3 Preparation of the DUT . 52 C.2.4 Power supplies to the DUT. 52 C.2.5 Volume control setting for analogue speech tests . 52 C.2.6 Range length . 52 C.2.7 Site preparation . 53 C.3 Coupling of signals . 53 C.3.1 General . 53 C.3.2 Data signals . 53 C.3.3 Speech and analogue signals . 54 C.3.3.0 General . 54 C.3.3.1 Acoustic coupler description. 54 C.3.3.2 Calibration . 54 C.4 Standard test position . 54 SIST EN 300 422-1 V2.1.2:2017



ETSI ETSI EN 300 422-1 V2.1.2 (2017-01) 6 C.5 Test fixture . 55 C.5.1 General . 55 C.5.2 Description . 55 C.5.3 Calibration . 56 C.5.4 Mode of use .
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