1、 ETSI EN 300 422-2 V1.4.1 (2015-06) Electromagnetic compatibility and Radio spectrum Matters (ERM); Wireless microphones in the 25 MHz to 3 GHz frequency range; Part 2: Harmonized EN covering the essential requirements of article 3.2 of the R Essential, or potentially Essential, IPRs notified to ETS
2、I in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existe
3、nce of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Harmonized European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio sp
4、ectrum Matters (ERM). The present document has been produced by ETSI in response to mandate M/284 issued from the European Commission under Council Directive 98/34/EC i.2 as amended by Directive 98/48/EC. The title and reference to the present document are intended to be included in the publication
5、in the Official Journal of the European Union of titles and references of Harmonized Standard under the Directive 1999/5/EC i.1. The requirements relevant to Directive 1999/5/EC i.1 are summarized in annex A. The present document is part 2 of a multi-part deliverable. Full details of the entire seri
6、es can be found in part 1 1. National regulations on maximum power output will apply. National transposition dates Date of adoption of this EN: 19 May 2015 Date of latest announcement of this EN (doa): 31 August 2015 Date of latest publication of new National Standard or endorsement of this EN (dop/
7、e): 29 February 2016 Date of withdrawal of any conflicting National Standard (dow): 28 February 2017 Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.
8、2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. Introduction The present document is part of a set of standards developed by ETSI and is designed to fit in a modular structur
9、e to cover all radio and telecommunications terminal equipment within the scope of the R in ear monitoring systems; consumer radio microphones; tour guide systems; and Assistive Listening Devices (Aids for the handicapped) comprising personal and public hearing aid systems. The maximum power recomme
10、nded for equipment covered by the present document is 250 mW for radio microphones and 500 mW for public hearing aids in the 169,4 MHz to 169,8125 MHz band (erp below 1 GHz and eirp above 1 GHz). The present document also covers radio microphones used in the 863 MHz to 865 MHz band, with a maximum p
11、ower of 10 mW. The present document is intended to cover the provisions of Directive 1999/5/EC i.1 (R Wireless microphones in the 25 MHz to 3 GHz frequency range; Part 1: Technical characteristics and methods of measurement“. 2.2 Informative references References are either specific (identified by d
12、ate of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 7 NOTE: While an
13、y hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. i.1 Directiv
14、e 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R A guide to the production of Harmonized Standards for application under the R Uncertainties in the measurement of m
15、obile radio equipment characteristics“. i.5 ETSI TR 102 215: “Electromagnetic compatibility and Radio spectrum Matters (ERM); Recommended approach, and possible limits for measurement uncertainty for the measurement of radiated electromagnetic fields above 1 GHz“. 3 Definitions, symbols and abbrevia
16、tions 3.1 Definitions For the purposes of the present document, the terms and definitions given in ETSI EN 300 422-1 1 apply. 3.2 Symbols For the purposes of the present document, the symbols given in ETSI EN 300 422-1 1 apply. 3.3 Abbreviations For the purposes of the present document, the abbrevia
17、tions given in ETSI EN 300 422-1 1 apply. 4 Technical requirements specifications for Radio microphones 4.1 Environmental profile The technical requirements of the present document apply under the environmental profile for operation of the equipment, which shall be declared by the supplier. The equi
18、pment shall comply with all the technical requirements of the present document at all times when operating within the boundary limits of the declared operational environmental profile. 4.2 Conformance requirements 4.2.1 Frequency stability 4.2.1.1 Definition This shall be as defined in ETSI EN 300 4
19、22-1 1, clause 3.1. 4.2.1.2 Limit The transmitter frequency error limit shall be as stated in ETSI EN 300 422-1 1, clause 8.1.3. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 8 4.2.1.3 Conformance Conformance tests as defined in clause 5.3.1.1 shall be carried out. 4.2.2 Rated Output Power 4.2.2.1 Definit
20、ion This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 4.2.2.2 Limit The rated output power shall be as stated in ETSI EN 300 422-1 1, clause 8.2.3. 4.2.2.3 Conformance Conformance tests as defined in clause 8.2.1 for equipment without integral antenna or clause 8.2.2 for equipment with in
21、tegral antenna shall be carried out. 4.2.3 Necessary bandwidth 4.2.3.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 4.2.3.2 Limit The necessary bandwidth limit shall be as stated in ETSI EN 300 422-1 1, clause 8.3.1 for analogue systems and clause 8.3.2 for digital systems
22、. 4.2.3.3 Conformance Conformance tests as defined in clause 8.3 shall be carried out. 4.2.4 Spurious emissions 4.2.4.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 4.2.4.2 Limit The spurious emissions limit shall be as stated in ETSI EN 300 422-1 1, clause 8.4.3. 4.2.4.3
23、Conformance Conformance tests as defined in clause 8.4.2 shall be carried out. 4.3 Receiver requirements 4.3.1 Spurious emissions 4.3.1.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 9.1.1. 4.3.1.2 Limit The spurious emissions limit shall be as stated in ETSI EN 300 422-1 1, cl
24、ause 9.1.5. 4.3.1.3 Conformance Conformance tests as defined in ETSI EN 300 422-1 1, clauses 9.1.2, 9.1.3 and 9.1.4 shall be carried out. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 9 5 Testing for compliance with technical requirements 5.1 Environmental conditions for testing Tests defined in the prese
25、nt document shall be carried out at representative points within the boundary limits of the declared operational environmental profile. Where technical performance varies subject to environmental conditions, tests shall be carried out under a sufficient variety of environmental conditions (within th
26、e boundary limits of the declared operational environmental profile) to give confidence of compliance for the affected technical requirements. 5.2 Interpretation of the measurement results The interpretation of the results recorded in a test report for the measurements described in the present docum
27、ent shall be as follows: - the measured value related to the corresponding limit shall be used to decide whether an equipment meets the requirements of the present document; - the value of the measurement uncertainty for the measurement of each parameter shall be included in the test report; - the r
28、ecorded value of the measurement uncertainty shall be, for each measurement, equal to or lower than the figures in table 1. For the test methods, according to the present document, the measurement uncertainty figures shall be calculated in accordance with the principles contained within ETSI TR 100
29、028 i.4 or ETSI TR 102 215 i.5 as appropriate and shall correspond to an expansion factor (coverage factor) k = 1,96 or k = 2 (which provide confidence levels of respectively 95 % and 95,45 % in the case where the distributions characterizing the actual measurement uncertainties are normal (Gaussian
30、). Table 1 is based on such expansion factors. Table 1: Maximum measurement uncertainty Parameter Uncertainty RF frequency 1 x 10-7Audio Output power 0,5 dB Radiated RF power 6 dB Conducted RF power variations using a test fixture 0,75 dB Maximum frequency deviation: - within 300 Hz and 6 kHz of aud
31、io frequency 5 % - within 6 kHz and 25 kHz of audio frequency 3 dB Deviation limitation 5 % Radiated emission of transmitter, valid up to 12,75 GHz 6 dB Radiated emission of receiver, valid up to 12,75 GHz 6 dB 5.3 Essential radio test suites 5.3.1 Transmitter test suites 5.3.1.1 Frequency stability
32、 The test specified in ETSI EN 300 422-1 1, clause 8.1.1 shall be carried out for analogue systems and clause 8.1.2 for digital systems. The results obtained shall be compared to the limits in clause 8.1.3 in order to prove compliance with the requirement. 5.3.1.2 Rated Output Power The test specifi
33、ed in ETSI EN 300 422-1 1, clauses 8.2.1 and 8.2.2 shall be carried out. The results obtained shall be compared to the limits in clause 8.2.3 in order to prove compliance with the requirement. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 10 5.3.1.3 Necessary bandwidth The test specified in ETSI EN 300 42
34、2-1 1, clause 8.3.1 shall be carried out for analogue systems and clause 8.3.2 for digital systems. The results obtained shall be compared to the limits in clauses 8.3.1.2 and 8.3.2.2 in order to prove compliance with the requirement. 5.3.1.4 Spurious emissions The test specified in ETSI EN 300 422-
35、1 1, clause 8.4.2 shall be carried out. The results obtained shall be compared to the limits in clause 4.2.4.2 in order to prove compliance with the requirement. 5.3.2 Receiver test suites 5.3.2.1 Spurious emissions The test specified in ETSI EN 300 422-1 1, clauses 9.1.2, 9.1.3 and 9.1.4 shall be c
36、arried out. The results obtained shall be compared to the limits in clause 8.4.3 in order to prove compliance with the requirement. 6 Technical requirements specifications for Assistive listening devices 6.1 Environmental profile The technical requirements of the present document apply under the env
37、ironmental profile for operation of the equipment, which shall be declared by the supplier. The equipment shall comply with all the technical requirements of the present document at all times when operating within the boundary limits of the declared operational environmental profile. 6.2 Conformance
38、 requirements 6.2.1 Frequency stability 6.2.1.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 6.2.1.2 Limit The transmitter frequency error limit shall be as stated in ETSI EN 300 422-1 1, clause 14.1.3. 6.2.1.3 Conformance Conformance tests as defined in clause 7.3.1.1 sha
39、ll be carried out. 6.2.2 Rated Output Power 6.2.2.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 6.2.2.2 Limit The rated output power shall be as stated in ETSI EN 300 422-1 1, clause 14.2.3. 6.2.2.3 Conformance Conformance tests as defined in clause 7.3.1.2 shall be carri
40、ed out. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 11 6.2.3 Necessary bandwidth 6.2.3.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 6.2.3.2 Limit The necessary bandwidth limit shall be as stated in ETSI EN 300 422-1 1, clause 14.3.1.2 for analogue systems and clause 14.3.2.2
41、 for digital systems. 6.2.3.3 Conformance Conformance tests as defined in clause 7.3.1.3 shall be carried out. 6.2.4 Spurious emissions 6.2.4.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 3.1. 6.2.4.2 Limit The spurious emissions limit shall be as stated in ETSI EN 300 422-1 1
42、, clause 14.4.3. 6.2.4.3 Conformance Conformance tests as defined in clause 7.3.1.4 shall be carried out. 6.3 Receiver requirements 6.3.1 Spurious emissions 6.3.1.1 Definition This shall be as defined in ETSI EN 300 422-1 1, clause 15.1.1. 6.3.1.2 Limit The spurious emissions limit shall be as state
43、d in ETSI EN 300 422-1 1, clause 15.1.5. 6.3.1.3 Conformance Conformance tests as defined in clause 7.3.2.1 shall be carried out. 7 Testing for compliance with technical requirements 7.1 Environmental conditions for testing Tests defined in the present document shall be carried out at representative
44、 points within the boundary limits of the declared operational environmental profile. Where technical performance varies subject to environmental conditions, tests shall be carried out under a sufficient variety of environmental conditions (within the boundary limits of the declared operational envi
45、ronmental profile) to give confidence of compliance for the affected technical requirements. ETSI ETSI EN 300 422-2 V1.4.1 (2015-06) 12 7.2 Interpretation of the measurement results The interpretation of the results recorded in a test report for the measurements described in the present document sha
46、ll be as follows: - the measured value related to the corresponding limit shall be used to decide whether an equipment meets the requirements of the present document; - the value of the measurement uncertainty for the measurement of each parameter shall be included in the test report; - the recorded
47、 value of the measurement uncertainty shall be, for each measurement, equal to or lower than the figures in table 2. For the test methods, according to the present document, the measurement uncertainty figures shall be calculated in accordance with the principles contained within ETSI TR 100 028 i.4
48、 or ETSI TR 102 215 i.5 as appropriate and shall correspond to an expansion factor (coverage factor) k = 1,96 or k = 2 (which provide confidence levels of respectively 95 % and 95,45 % in the case where the distributions characterizing the actual measurement uncertainties are normal (Gaussian). Tabl
49、e 2 is based on such expansion factors. Table 2: Maximum measurement uncertainty Parameter Uncertainty RF frequency 1 x 10-7Audio Output power 0,5 dB Radiated RF power 6 dB Conducted RF power variations using a test fixture 0,75 dB Maximum frequency deviation: - within 300 Hz and 6 kHz of audio frequency 5 % - within 6 kHz and 25 kHz of audio frequency 3 dB Deviation limitation 5 % Radiated emission of transmitter, valid up to 12,75 GHz 6 dB Radiated emission of receiver, valid up to 12,
