1、 ETSI EN 302 017-1 V1.1.1 (2005-09)European Standard (Telecommunications series) Electromagnetic compatibilityand Radio spectrum Matters (ERM);Transmitting equipment for the Amplitude Modulated (AM)sound broadcasting service;Part 1: Technical characteristics andtest methodsETSI ETSI EN 302 017-1 V1.
2、1.1 (2005-09) 2 Reference DEN/ERM-TG17-004-1A Keywords AM, audio, broadcasting, transmitter, terrestrial, radio ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregi
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8、I ETSI EN 302 017-1 V1.1.1 (2005-09) 3 Contents Intellectual Property Rights5 Foreword.5 Introduction 5 1 Scope 6 2 References 6 3 Definitions, symbols and abbreviations .6 3.1 Definitions6 3.2 Symbols7 3.3 Abbreviations .8 4 Technical requirements specifications .8 4.1 Environmental profile.8 4.2 A
9、ntenna port measurements .8 4.2.1 Rated output power.8 4.2.1.1 Definition 8 4.2.1.2 Method of measurement8 4.2.1.2.1 Initial conditions8 4.2.1.2.2 Procedure.9 4.2.1.2.3 Test requirements 9 4.2.1.3 Limit9 4.2.2 Frequency drift9 4.2.2.1 Definition 9 4.2.2.2 Method of measurement9 4.2.2.2.1 Initial con
10、ditions9 4.2.2.2.2 Procedure.9 4.2.2.2.3 Test requirements 9 4.2.2.3 Limit9 4.2.3 Spurious emissions .10 4.2.3.1 Definition 10 4.2.3.2 Method of measurement10 4.2.3.2.1 Initial conditions10 4.2.3.2.2 Procedure.10 4.2.3.2.3 Test requirements 10 4.2.3.3 Limit10 4.2.4 Transmitter muting during frequenc
11、y shift .11 4.2.4.1 Definition 11 4.2.4.2 Method of measurement11 4.2.4.2.1 Initial conditions11 4.2.4.2.2 Procedure.12 4.2.4.2.3 Test requirements 12 4.2.4.3 Limit12 4.2.5 Out-of-band emissions12 4.2.5.1 Definition 12 4.2.5.2 Method of measurement12 4.2.5.2.1 Initial conditions12 4.2.5.2.2 Procedur
12、e.12 4.2.5.2.3 Test requirements 13 4.2.5.3 Limit13 4.3 Enclosure port measurements (radiated emissions)15 4.3.1 Cabinet radiation.15 4.3.1.1 Definition 15 4.3.1.2 Method of measurement15 4.3.1.2.1 Initial conditions15 4.3.1.2.2 Procedure.15 ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 4 4.3.1.3 Limits 1
13、6 4.4 Measurement uncertainties.17 Annex A (informative): General measuring arrangements18 A.1 Testing arrangements for antenna port measurements .18 A.2 Test frequency range 18 A.3 Test modulating signal .19 A.4 Testing arrangements for radiated measurements 20 A.5 Test load characteristics .20 Ann
14、ex B (informative): Bibliography.21 History 22 ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 5 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for
15、ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/
16、webapp.etsi.org/IPR/home.asp). 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 existence 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 b
17、ecome, essential to the present document. Foreword This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document is part 1 of a multi-part deliverable covering the transmitting equ
18、ipment for the Amplitude Modulated (AM) sound broadcasting service, as identified below: Part 1: “Technical characteristics and test methods“; Part 2: “Harmonized EN under article 3.2 of the R EN 301 489-11 2. ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 6 1 Scope The present document applies to Double S
19、ide Band Transmitting equipment for the Amplitude-modulated radio broadcast service. The types of equipment covered by the present document are as follows: Transmitting equipment for Amplitude Modulated sound broadcasting service operating in the LF MF and HF bands. 2 References The following docume
20、nts contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference, subsequent revisions do not apply. For a
21、non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. 1 ETSI EN 302 017-2: “Electromagnetic compatibility and Radio spectrum Matters (ERM); Transmitting equipme
22、nt for the Amplitude Modulated (AM) sound broadcasting service; Part 2: Harmonized EN under article 3.2 of the R ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 11: Specific conditions for terrestrial sound broadcasting service transmitters“. 3 CENELEC EN 55011: “
23、Industrial scientific and medical (ISM) radio-frequency equipment - Electromagnetic disturbance characteristics - Limits and methods of measurement“. 4 ETSI TR 100 028 (V1.4.1) (all parts): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile ra
24、dio equipment characteristics“. 5 ITU-R Recommendation SM.329-10 (2003): “Unwanted emissions in the spurious domain“. 6 IEC 60489-1: “Methods of measurement for radio equipment used in the mobile services. Part 1: General definitions and standard conditions of measurement“. 3 Definitions, symbols an
25、d abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: antenna port: port of an apparatus which is designed, in normal operation, to be connected to an antenna using coaxial cable broadcasting service: radiocommunication service in which
26、the transmissions are intended for direct reception by the general public NOTE: This service may include sound transmissions, television transmissions or other types of transmission. ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 7 cabinet radiation: radiation from an enclosure containing, equipment, exclu
27、ding radiation from connected antennas or cables carrier power: average power supplied to the antenna transmission line by a transmitter during one cycle taken under the condition of no modulation channel bandwidth: frequency band of defined width (as a multiple of the carrier grid) including safety
28、 margin for operation on adjacent channels, located symmetrically around a carrier frequency in the carrier grid class of emission: set of characteristics of an emission, designated by standard symbols, e.g. type of modulation of the main carrier, modulating signal, type of information to be transmi
29、tted, and also, if appropriate, any additional signal characteristics dBc: decibels relative to the unmodulated carrier power of the emission NOTE: In the cases which do not have a carrier, for example in some digital modulation schemes where the carrier is not accessible for measurement, the refere
30、nce level equivalent to dBc is decibels relative to the mean power P. enclosure port: physical boundary of the apparatus through which electromagnetic fields may radiate or impinge NOTE: In the case of integral antenna equipment, this port is inseparable from the antenna port. environmental profile:
31、 range of environmental conditions under which equipment within the scope of EN 302 017-1 document is required to comply with the provisions of EN 302 017-1 harmonic: component of order greater than 1 of the Fourier series of a periodic quantity harmonic number: integral number given by the ratio of
32、 the frequency of a harmonic to the fundamental frequency (2ndharmonic = 2 fundamental frequency) intermodulation products: unwanted frequencies resulting from intermodulation between carriers or harmonics of emission, or between any oscillations generated to produce the carrier mean power: average
33、power supplied to the antenna transmission line by a transmitter during an interval of time sufficiently long compared with the lowest frequency encountered in the modulation envelope taken under normal operating conditions necessary bandwidth: for a given class of emission, width of the frequency b
34、and which is sufficient to ensure the transmission of information at the rate and with the quality required under specified conditions out-of-band emissions: emission on a frequency or frequencies immediately outside the necessary bandwidth which results from the modulation process, but excluding sp
35、urious emissions reference bandwidth: bandwidth in which the spurious emission level is specified spurious emissions: emission on a frequency or frequencies which are outside the necessary bandwidth and the level of which may be reduced without affecting the corresponding transmission of information
36、 NOTE: Spurious emissions include harmonic emissions, parasitic emissions, intermodulation products and frequency conversion products but exclude out of band emissions. unwanted emissions: spurious emissions and out of band emissions 3.2 Symbols For the purposes of the present document, the followin
37、g symbols apply: ohms (unit of resistance) micro, 10-6 ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 8 3.3 Abbreviations For the purposes of the present document, the following abbreviations apply: AF Audio Frequency AM Amplitude Modulation dB deciBel, logarithmic ratio (tenths of a “Bel“) dBm dB relative
38、 to one milliwatt EMC ElectroMagnetic CompatibilityEUT Equipment Under Test HF High Frequency LF Low FrequencyLV Low Voltage MF Medium Frequency R b) the highest operating frequency of the EUT; c) a frequency mid-way between a) and b) above. Test arrangement (see figure A.1): 1) connect the EUT to t
39、he Test Load, via the Coupling Device; 2) connect the Spectrum Analyser or power meter to the Coupling Device. NOTE: AF Signal Generator and Voltage measuring equipment are not required for this test. ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 9 4.2.1.2.2 Procedure 1) operate the EUT at each of the tes
40、t frequencies as defined in clause 4.2.1.2.1; 2) measure the results on the Spectrum Analyser or power meter. 4.2.1.2.3 Test requirements The results obtained shall be compared to the limits in clause 4.2.1.3 in order to demonstrate compliance. 4.2.1.3 Limit The carrier output power shall be within
41、1,0 dB of the rated output power under normal operating conditions as defined by the manufacturer. 4.2.2 Frequency drift 4.2.2.1 Definition The uncontrolled continuous and irreversible variation of frequency against a predetermined time scale. 4.2.2.2 Method of measurement 4.2.2.2.1 Initial conditio
42、ns Test environment: the normal operating environment, as declared by the equipment manufacturer. Test frequency: any one frequency within the tuning range of the EUT. Test arrangement (see figure A.1): 1) connect the EUT to the Test Load, via the Coupling Device; 2) connect a frequency recorder to
43、the Coupling Device. NOTE: AF Signal Generator and Voltage measuring equipment are not required for this test. 4.2.2.2.2 Procedure 1) operate the exciter of the EUT at the test frequency as defined in clause 4.2.2.2.1; 2) measure the results on the frequency recorder. Measurements should be made at
44、intervals, which are short enough to reveal the presence of superimposed periodical variations. 4.2.2.2.3 Test requirements The results obtained shall be compared to the limits in clause 4.2.2.3 in order to demonstrate compliance. 4.2.2.3 Limit For a period of not less than ninety days, the frequenc
45、y of the transmitter shall stay within the tolerance of 10 Hz. ETSI ETSI EN 302 017-1 V1.1.1 (2005-09) 104.2.3 Spurious emissions 4.2.3.1 Definition Emission on a frequency or frequencies which are outside the necessary bandwidth and the level of which may be reduced without affecting the correspond
46、ing transmission of information. Spurious emissions include harmonic emissions, parasitic emissions, intermodulation products and frequency conversion products but exclude out of band emissions. 4.2.3.2 Method of measurement 4.2.3.2.1 Initial conditions Test environment: the normal operating environ
47、ment, as declared by the equipment manufacturer. Test frequencies: a) the lowest operating frequency of the EUT; b) the highest operating frequency of the EUT; c) a frequency mid-way between a) and b) above. Test arrangement (see figure A.1): 1) the measurement shall be done without any modulation;
48、2) connect the EUT to the Test Load, via the Coupling Device; 3) connect the Spectrum Analyser to the Coupling Device. 4.2.3.2.2 Procedure 1) terminate the input of the transmitter as specified by the manufacturer; 2) operate the EUT at each of the test frequencies as defined in clause 4.2.3.2.1; 3)
49、 measure the results on the Spectrum Analyser. 4.2.3.2.3 Test requirements The results obtained shall be compared to the limits in clause 4.2.3.3 in order to demonstrate compliance. 4.2.3.3 Limit Spurious emissions shall not exceed the values set out in table 4.1, additionally shown in figure 4.1, for the frequency range 9 kHz to 1 GHz. Table 4.1: Spurious emission limits Mean power of the transmitter Limits Mean power absolute levels (dBm) or relative levels (dBc) below the mean power supplied to the antenna port in the reference bandwidth (
