1、 ETSI EN 301 929-1 V1.2.1 (2007-02)European Standard (Telecommunications series) Electromagnetic compatibilityand Radio spectrum Matters (ERM);VHF transmitters and receivers as Coast Stations for GMDSSand other applications in the maritime mobile service;Part 1: Technical characteristics andmethods
2、of measurementETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 2 Reference REN/ERM-TG26-077-1 Keywords maritime, VHF, radio, GMDSS 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 lucra
3、tif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference
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6、etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2007. All rights reserved. DECTTM, PLUGTEST
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8、tners. ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 3 Contents Intellectual Property Rights8 Foreword.8 1 Scope 9 2 References 9 3 Definitions, symbols and abbreviations .10 3.1 Definitions10 3.2 Symbols10 3.3 Abbreviations .10 4 General and operational requirements11 4.1 Construction .11 4.2 Controls an
9、d indicators.11 4.3 Safety precautions 12 4.4 Labelling.12 5 Technical requirements 12 5.1 Switching time12 5.2 Class of emission and modulation characteristics 12 5.3 Use of Channel 70 12 5.4 Audio line.12 5.5 DSC Controller Interfaces 13 6 General conditions of measurement.13 6.1 Arrangements for
10、test signals applied to the receiver input13 6.2 Squelch.13 6.3 Normal test modulation13 6.4 Artificial antenna13 6.5 Standard test signals for DSC.13 6.5.1 References to standard test signals .13 6.5.2 Standard test signal .13 6.6 Determination of the symbol error rate in the output of the receivin
11、g part 14 6.7 DSC Decoder14 6.8 Test channels 14 6.9 Interpretation of the measured results 14 7 Test conditions, power sources and ambient temperatures 15 7.1 Normal and extreme test conditions .15 7.2 Test power source.15 7.3 Normal test conditions16 7.3.1 Normal temperature and humidity16 7.3.2 N
12、ormal power sources 16 7.3.2.1 Mains voltage and frequency 16 7.3.2.2 Lead Acid Battery power source.16 7.3.2.3 Other power sources16 7.4 Test under extreme test conditions .16 7.4.1 General16 7.4.2 Extreme temperatures .16 7.4.3 Extreme values of test power sources.16 7.4.3.1 Mains voltage16 7.4.3.
13、2 Battery power source.16 7.4.3.3 Other power sources17 7.5 Procedure for tests at extreme temperatures.17 8 Transmitter .17 8.1 Frequency Error17 8.1.1 Definition17 ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 4 8.1.2 Method of measurement .17 8.1.3 Limits17 8.2 Carrier power17 8.2.1 Definitions 17 8.2.
14、2 Method of measurement .17 8.2.3 Limits18 8.2.3.1 Normal test conditions 18 8.2.3.2 Extreme test conditions .18 8.3 Frequency deviation .18 8.3.1 Definition18 8.3.2 Maximum permissible frequency deviation18 8.3.2.1 Method of measurement18 8.3.2.2 Limits 18 8.3.3 Reduction of frequency deviation at
15、modulation frequencies above 3 kHz18 8.3.3.1 Method of measurement18 8.3.3.2 Limits 19 8.4 Audio frequency response 19 8.4.1 Definition19 8.4.2 Method of measurement .20 8.4.3 Limit .20 8.5 Audio frequency harmonic distortion of the emission20 8.5.1 Definition20 8.5.2 Method of measurement .21 8.5.3
16、 Limits21 8.6 Adjacent channel power .21 8.6.1 Definition21 8.6.2 Method of measurement .21 8.6.3 Limit .22 8.7 Conducted spurious emissions conveyed to the antenna 22 8.7.1 Definition22 8.7.2 Method of measurement .22 8.7.3 Limit .22 8.8 Cabinet radiation and conducted spurious emissions other than
17、 those conveyed to the antenna .23 8.8.1 Definitions 23 8.8.2 Method of measurement .23 8.8.3 Limits24 8.9 Residual modulation of the transmitter 24 8.9.1 Definition24 8.9.2 Method of measurement .24 8.9.3 Limit .24 8.10 DSC transmitter modulation index.24 8.10.1 Definition24 8.10.2 Method of measur
18、ement .25 8.10.3 Limits25 8.11 DSC audio input limitation.25 8.11.1 Definition25 8.11.2 Method of measurement .25 8.11.3 Limit .25 8.12 Modulation attack time.25 8.12.1 Definition25 8.12.2 Method of measurement .25 8.12.3 Limit .26 8.13 Transient frequency behaviour of the transmitter.27 8.13.1 Defi
19、nitions 27 8.13.2 Method of measurement .27 8.13.3 Limits29 8.14 Intermodulation attenuation29 8.14.1 Definition29 8.14.2 Method of measurement .29 8.14.3 Limits30 8.15 Testing of generated call sequences .30 8.15.1 Definition30 ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 5 8.15.2 Method of measurement
20、.30 8.15.3 Requirement31 8.16 Modulation rate for DSC31 8.16.1 Definition31 8.16.2 Method of measurement .31 8.16.3 Limits31 8.17 Frequency error (demodulated DSC signal).31 8.17.1 Definition31 8.17.2 Method of measurement .31 8.17.3 Limits31 9 Receiver32 9.1 Harmonic distortion32 9.1.1 Definition32
21、 9.1.2 Method of measurement .32 9.1.2.1 Audio line output 32 9.1.2.2 Under normal test conditions 32 9.1.2.3 Under extreme test conditions.32 9.1.3 Limits32 9.2 Audio frequency response 32 9.2.1 Definition32 9.2.2 Method of measurement .32 9.2.3 Limits33 9.3 Amplitude characteristic of the receiver
22、.33 9.3.1 Definition33 9.3.2 Method of measurement .33 9.3.3 Limits34 9.4 Maximum usable sensitivity.34 9.4.1 Definition34 9.4.2 Method of measurement .34 9.4.3 Limits34 9.5 Co-channel rejection.34 9.5.1 Definition34 9.5.2 Method of measurement .34 9.5.3 Limits35 9.6 Adjacent channel selectivity.35
23、9.6.1 Definition35 9.6.2 Method of measurement .35 9.6.3 Limits35 9.7 Spurious response.35 9.7.1 Definition35 9.7.2 Method of measurement .36 9.7.3 Limit .36 9.8 Intermodulation response .36 9.8.1 Definition36 9.8.2 Method of measurement .36 9.8.3 Limit .36 9.9 Blocking or desensitization 37 9.9.1 D
24、efinition37 9.9.2 Method of measurement .37 9.9.3 Limit .37 9.10 Receiver noise and hum level.37 9.10.1 Definition37 9.10.2 Method of measurement .37 9.10.3 Limit .37 9.11 Spurious emissions.38 9.11.1 Definition38 9.11.2 Conducted spurious emissions38 9.11.2.1 Method of measurement38 9.11.2.2 Limit3
25、8 9.11.3 Radiated spurious emissions.38 9.11.3.1 Method of measurement38 ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 6 9.11.3.2 Limit39 9.12 DSC audio output characteristic.39 9.12.1 Definition39 9.12.2 Methods of measurement40 9.12.3 Limit .40 9.13 DSC receiver maximum usable sensitivity.40 9.13.1 Defi
26、nition40 9.13.2 Method of measurement .40 9.13.3 Limits40 9.14 DSC receiver co-channel rejection.40 9.14.1 Definition40 9.14.2 Method of measurement .40 9.14.3 Limits41 9.15 DSC receiver adjacent channel selectivity .41 9.15.1 Definition41 9.15.2 Method of measurement .41 9.15.3 Limits41 9.16 DSC re
27、ceiver dynamic range41 9.16.1 Definition41 9.16.2 Method of measurement .41 9.16.3 Limit .42 9.17 Duplex operation for 25kHz channels42 9.17.1 Introduction.42 9.17.2 Receiver desensitization with simultaneous transmission and reception42 9.17.2.1 Definition 42 9.17.2.2 Method of measurement42 9.17.2
28、.3 Limits 42 9.17.3 Duplex transceiver internal mixing.42 9.17.3.1 Definition 42 9.17.3.2 Method of measurement43 9.17.3.3 Limits 43 9.18 Verification of correct decoding of various types of DSC calls .43 9.18.1 Definition43 9.18.2 Method of measurement .43 9.18.3 Requirement43 9.19 DSC spurious res
29、ponse and blocking immunity.44 9.19.1 Definition44 9.19.2 Method of measurement .44 9.19.3 Limits44 9.20 DSC Intermodulation response.44 9.20.1 Definition44 9.20.2 Method of measurement .44 9.20.3 Limits44 Annex A (normative): Measuring receiver for adjacent channel power measurement.45 A.1 Power me
30、asuring receiver specification.45 A.1.1 IF filter .45 A.1.2 Attenuation indicator46 A.1.3 RMS value indicator.46 A.1.4 Oscillator and amplifier46 Annex B (normative): Radiated measurement47 B.1 Test sites and general arrangements for measurements involving the use of radiated fields.47 B.1.1 Anechoi
31、c chamber47 B.1.2 Anechoic chamber with a ground plane .48 B.1.3 OATS .49 B.1.4 Test antenna50 B.1.5 Substitution antenna .50 B.1.6 Measuring antenna .51 B.2 Guidance on the use of radiation test sites .51 ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 7 B.2.1 Verification of the test site .51 B.2.2 Prepar
32、ation of the EUT.51 B.2.3 Power supplies to the EUT.51 B.2.4 Volume control setting for analogue speech tests 51 B.2.5 Range length.52 B.2.6 Site preparation 52 B.3 Coupling of signals.53 B.3.1 General .53 B.3.2 Data signals 53 B.3.3 Speech and analogue signals 53 B.3.3.1 Acoustic coupler descriptio
33、n.53 B.3.3.2 Calibration 54 History 55 ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 8 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 ETSI mem
34、bers 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:/webapp.e
35、tsi.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 become, e
36、ssential 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 VHF transmitters and receive
37、rs as Coast Stations for GMDSS and other applications in the maritime mobile service, as identified below: Part 1: “Technical characteristics and methods of measurement“; Part 2: “ Harmonized EN under article 3.2 of the R - equipment operating on 12,5 kHz or 25 kHz channel spacing; - equipment capab
38、le of analogue speech, Digital Selective Calling (DSC), or both; - equipment operating in Simplex, Semi-Duplex (Half Duplex) and Duplex modes; - equipment which may consist of more than one unit; - equipment which may be single-channel or multi-channel; - equipment operating on shared radio sites; -
39、 equipment operating in isolation from other radio equipment. Where the equipment is not intended for DSC operation, only those clauses relevant to non-DSC tests are applicable. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of th
40、e 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 non-specific reference, the latest version applies. Referenced documents which are not fo
41、und to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 1 ITU Radio Regulations (2004). 2 ETSI TR 100 028-1 (V1.4.
42、1): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 1“. 3 ETSI TR 102 273 (all parts): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Improvement on Radiated Methods of Measurement (us
43、ing test site) and evaluation of the corresponding measurement uncertainties“. 4 ITU-T Recommendation O.41: “Psophometer for use on telephone-type circuits“. 5 ITU-R Recommendation M.493-11 (2004): “Digital selective-calling system for use in the maritime mobile service“. 6 ITU-T Recommendation V.11
44、: “Electrical characteristics for balanced double-current interchange circuits operating at data signalling rates up to 10 Mbit/s“. 7 ITU-R Recommendation M.1084-4 (2001): “Interim solutions for improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service“. ETSI
45、ETSI EN 301 929-1 V1.2.1 (2007-02) 108 IEC 60489-3: “Methods of measurement for radio equipment used in the mobile services; Part 3: Receivers for A3E or F3E emissions“ Second edition (1988) appendix F“. 9 ANSI C63.5 (2006): “American National Standard for Calibration of Antennas Used for Radiated E
46、mission Measurements in Electro Magnetic Interference“. 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: block: to inhibit a function by making it inaccessible from the user interface G3E: phase-modulation (
47、frequency modulation with a pre-emphasis of 6 dB/octave) for analogue speech G2B: phase-modulation with digital information, with a sub-carrier for Digital Selective Calling (DSC) operation modulation index: ratio between the frequency deviation and the modulation frequency 3.2 Symbols For the purpo
48、ses of the present document, the following symbols apply: Hz Hertz 3.3 Abbreviations For the purposes of the present document, the following abbreviations apply: ac alternating current ad amplitude difference dBd the forward gain of an antenna compared to a half-wave dipole antenna in decibel dc dir
49、ect current DSC Digital Selective Calling emf electromotive force EUT Equipment Under Test fd frequency differenceFM Frequency Modulation MUS Maximum Useable Sensitivity OATS Open Area Test Site RF Radio Frequency rms root mean square SINAD Signal + Noise + Distortion/Noise + Distortion Tx transmitter V Volt VHF Very High Frequency VSWR Voltage Standing Wave Ratio ETSI ETSI EN 301 929-1 V1.2.1 (2007-02) 114 General and operational requirements 4.1 Construction The mechanical and electrical construction and finish of the equipment shall conform in all respects
