1、 ETSI EN 300 373-2 V1.2.1 (2009-12)Harmonized European Standard (Telecommunications series) Electromagnetic compatibilityand Radio spectrum Matters (ERM);Maritime mobile transmitters and receiversfor use in the MF and HF bands;Part 2: Harmonized EN covering essential requirementsunder article 3.2 of
2、 the R 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.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR se
3、arches, 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, essential to the present document. Foreword This Harmonized European Standard (Telecommunic
4、ations series) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98/34/EC (as amended) i.3 laying down a pro
5、cedure for the provision of information in the field of technical standards and regulations. The present document is intended to become a Harmonized Standard, the reference of which will be published in the Official Journal of the European Communities referencing the Directive 1999/5/EC i.2 of the E
6、uropean Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (“the R Part 2: “Harmonized EN covering essential requirements under article 3.2 of the R Part 3: “Harmonized EN covering essential requir
7、ements under article 3.3(e) of the R Equipment with integrated or associated equipment for Class E Digital Selective Calling (DSC)“. National transposition dates Date of adoption of this EN: 9 December 2009 Date of latest announcement of this EN (doa): 31 March 2010 Date of latest publication of new
8、 National Standard or endorsement of this EN (dop/e): 30 September 2010 Date of withdrawal of any conflicting National Standard (dow): 30 September 2011 ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 71 Scope The present document applies to radio transmitters and receivers, for use on vessels, operating in
9、 either the Medium Frequency (MF) only or in the Medium and High Frequency (MF/HF) bands allocated in the International Telecommunications Union (ITU) Radio Regulations i.6, to the Maritime Mobile Service (MMS). The present document refers to equipment for one or more of the following: - Single Side
10、Band (SSB) modulation for telephony transmission and reception (J3E); - Frequency Shift Keying (FSK) or SSB modulation of a keyed sub-carrier to transmit and receive Digital Selective Calling (DSC) signals. The present document also refers to radio equipment with either an integrated or external DSC
11、 controller. The present document is intended to cover the provisions of Directive 1999/5/EC (R - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks inclu
12、ded in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 82.1 Normative references The following referenced documents are indispensable for the application of the present document. For dated references, only the
13、edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. 1 ETSI TR 100 028 (all parts) (V1.4.1): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipment ch
14、aracteristics“. 2.2 Informative references The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-specific references, the latest version of the referenced document (including any amendments)
15、applies. i.1 ETSI ETS 300 067: “Radio Equipment and Systems (RES); Radiotelex equipment operating in the maritime MF/HF service; Technical Characteristics and methods of measurement“. i.2 Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecom
16、munications terminal equipment and the mutual recognition of their conformity (R b) 500 mW for loudspeaker reception; c) 0 dBm into 600 for the audio line outputs; measured across a resistor equal to the nominal value of the load impedance as declared by the manufacturer ETSI ETSI EN 300 373-2 V1.2.
17、1 (2009-12) 93.2 Symbols For the purposes of the present document, the symbols given in the ITU Radio Regulations i.6 and the following apply: dB decibel dBA dB relative to 2 10-5Pascal dBd antenna gain relative to a half-wave dipole dBm dBmilliwatt dBV dB relative to 1 microvolt emf dBV/m dB relati
18、ve to 1 microvolt per metre F1B frequency modulation, single channel containing quantized or digital information without the use of a modulating sub-carrier, telegraphy for automatic reception J2B SSB, suppressed carrier, single channel containing quantized or digital information with the use of a m
19、odulating sub-carrier, telegraphy for automatic reception J3E SSB, suppressed carrier, single channel containing analogue information, telephony GHz gigahertz Hz hertzkHz kilohertz MHz megahertzmW milliwatt nW nanowatt ohm pF picofarad W watt 3.3 Abbreviations For the purposes of the present documen
20、t, the following abbreviations apply: AGC Automatic Gain Control Bd Baud BER Bit Error Rate DC Direct Current DSC Digital Selective Calling EMC ElectroMagnetic Compatibility emf electromotive force FSK Frequency Shift Keying IF Intermediate FrequencyITU International Telecommunications Union MF Medi
21、um Frequency MF/HF Medium and High Frequency MMS Maritime Mobile Service NBDP Narrow Band Direct Printing telegraphy PEP Peak Envelope Power R b) for DSC with an analogue interface: - the difference between the measured and the nominal assigned frequency; c) for DSC with a digital interface: - the d
22、ifference between the measured Y-state frequency and the nominal assigned frequency -85 Hz and the difference between the measured B-state frequency and the nominal assigned frequency +85 Hz. 4.2.1.2 Limits The transmitter frequencies shall, after the warming-up period specified in clause 5.1.7 be w
23、ithin 10 Hz of the frequencies calculated in accordance with the definitions in clause 4.2.1.1. 4.2.1.3 Conformance Conformance tests as described in clause 5.3.1 shall be carried out. 4.2.2 Output power and intermodulation products 4.2.2.1 Definition The output power is the value of peak envelope p
24、ower delivered by the transmitter to the artificial antenna in telephony SSB mode or the value of the mean power delivered by the transmitter to the artificial antenna in DSC mode. NOTE: The measurement of intermodulation products characterizes the linearity of amplitude modulated transmitters and i
25、s defined in ITU-R Recommendation SM.326-7 i.5. 4.2.2.2 Limits 4.2.2.2.1 Output power in the range 1 606,5 kHz to 4 000 kHz for all modulation modes The maximum peak envelope power or maximum mean power, as appropriate (see clause 4.2.2.1), shall be within 1,5 dB of the manufacturers declared value(
26、s), shall be greater than 60 W and shall not exceed 400 W. 4.2.2.2.2 Output power in the range 4 MHz to 27,5 MHz for all modulation modes The maximum peak envelope power or maximum mean power, as appropriate (see clause 4.2.2.1), shall be within 1,5 dB of the manufacturers declared value(s), shall b
27、e greater than 60 W, and shall not exceed 1 500 W. 4.2.2.2.3 Intermodulation products for SSB telephony modes For equipment with a rated output power exceeding 250 W PEP the value of intermodulation products shall not exceed 25 dB below the highest of the two tones under normal test conditions and s
28、hall not exceed 22 dB below the highest of the two tones under extreme test conditions. ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 11For equipment with a rated output power up to and including 250 W PEP the value of intermodulation products shall not exceed 22 dB below the highest of the two tones unde
29、r normal test conditions and shall not exceed 19 dB below the highest of the two tones under extreme test conditions. 4.2.2.2.4 Difference of power of B-state frequency and Y-state frequency The difference of the power of the B-state frequency and the Y-state frequency shall not exceed 2 dB. 4.2.2.2
30、.5 Output spectrum The output spectrum on DSC sending a dot pattern shall fall within the mask defined in figure 1. 0 dBHz-10 dB-20 dB-30 dB-40 dB-60 dB-43 dB-50 dBf - 552cf - 276cf - 138cf cf + 138cf + 552cf + 276c0 dB-9 dB-25 dB-43 dB Without exceedingthe power of 50 mWfc: centre frequency. Figure
31、 1: Output spectrum 4.2.2.3 Conformance Conformance tests as described in clause 5.3.2 shall be carried out. 4.2.3 Power of out-of-band emissions of SSB telephony 4.2.3.1 Definition Out-of band emissions are emissions on a frequency or frequencies immediately outside the necessary bandwidth which re
32、sult from the modulation process, but excluding spurious emissions. ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 124.2.3.2 Limits The power of any out-of-band emission supplied to the artificial antenna shall be in accordance with the limits given in table 1. Table 1: Limits for out-of-band emissions Sep
33、aration in kHz between the frequency of the out-of-band emission and a frequency 1 400 Hz above the carrier Minimum attenuation below maximum peak envelope power 1,5 2 GHz to 4 GHz 43 dB without exceeding the power of 50 mW 20 nW 4.2.4.3 Conformance Conformance tests as described in clause 5.3.4 sha
34、ll be carried out. 4.2.5 Carrier suppression 4.2.5.1 Definition The carrier suppression is expressed in terms of the ratio between the peak envelope power and the carrier power output power. 4.2.5.2 Limits The carrier suppression for modulation J3E shall be at least 40 dB. 4.2.5.3 Conformance Confor
35、mance tests as described in clause 5.3.5 shall be carried out. ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 134.2.6 Maximum usable sensitivity 4.2.6.1 Definition The maximum usable sensitivity is the minimum level of a radio frequency input signal with specified modulation which will produce at the recei
36、ver analogue outputs a chosen value of Signal + Noise + Distortion/Noise + Distortion (SINAD) ratio and, at the same time an output power not less than the standard output power. In the case of digital outputs it is the minimum level of a radio frequency input signal with specified modulation which
37、will produce a chosen value of bit error ratio. 4.2.6.2 Limits The maximum usable sensitivity shall be better than the values given in table 3. Table 3: Limits of maximum usable sensitivity Frequency range Class of emission Maximum level of input of input signal (dBV) 50 or 10 and 250 pF source impe
38、dance Normal conditions Extreme conditions 1 606,5 kHz to 4 000 kHz J3E +16 +22 F1B +5 +114 MHz to 27,5 MHz J3E +11 +17F1B +0 +6 4.2.6.3 Conformance Conformance tests as described in clause 5.4.2 shall be carried out. 4.2.7 Adjacent signal selectivity 4.2.7.1 Definition Adjacent signal selectivity i
39、s defined as the ability of the receiver to discriminate between a wanted signal (to which the receiver is tuned) and unwanted signals existing simultaneously in channels adjacent to that of the wanted signal or an increase of the bit error ratio to 10-2. 4.2.7.2 Limits The adjacent signal selectivi
40、ty shall exceed the values given in the tables 4, 5 and 6. Table 4: Class of emission J3E Carrier frequency of unwanted signal relative to carrier frequency of wanted signal Adjacent signal selectivity -1 kHz and +4 kHz 40 dB -2 kHz and +5 kHz 50 dB -5 kHz and +8 kHz 60 dB Table 5: Class of emission
41、 F1B Carrier frequency of unwanted signal relative to carrier frequency of wanted signal Adjacent signal selectivity -500 Hz and +500 Hz 40 dB ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 14Table 6: Class of emission F1B (digital output) Carrier frequency of unwanted signal relative to carrier frequency
42、of wanted signal Adjacent signal selectivity -500 Hz and +500 Hz BER = 10-2or better 4.2.7.3 Conformance Conformance tests as described in clause 5.4.3 may be carried out. 4.2.8 Blocking or desensitization 4.2.8.1 Definition Blocking is a change (generally a reduction) in the wanted output power of
43、a receiver, or a reduction in the SINAD ratio, or an increase in the bit error rate due to an unwanted signal on another frequency. 4.2.8.2 Limits Class of emission J3E or F1B (analogue output) With the wanted signal at +60 dBV, the level of the unwanted signal shall be not less than 100 dBV. With t
44、he wanted signal at a level equal to the measured maximum usable sensitivity, the level of the unwanted signal shall be at least +65 dB above the measured usable sensitivity level. Class of emission F1B (digital output) The bit error ratio shall be 10-2or better. 4.2.8.3 Conformance Conformance test
45、s as described in clause 5.4.4 may be carried out. 4.2.9 Intermodulation response 4.2.9.1 Definition Intermodulation is a process by which signals are produced from two or more (generally unwanted) signals simultaneously present in a non-linear circuit. 4.2.9.2 Limits The level of each of the two in
46、terfering signals which result in a 20 dB SINAD ratio at the receiver output shall be not less than +80 dBV for J3E and +70 dBV for analogue F1B. The level of each of the two interfering signals which result in a bit error ratio of 10-2for digital receivers shall be not less than +70 dBV. 4.2.9.3 Co
47、nformance Conformance tests as described in clause 5.4.5 may be carried out. ETSI ETSI EN 300 373-2 V1.2.1 (2009-12) 154.2.10 Spurious response rejection ratio 4.2.10.1 Definition The spurious response rejection ratio is the ratio of the input level of an unwanted signal, at the frequency of the spu
48、rious response to the input level of a wanted signal, when the wanted and unwanted signals individually produce the same SINAD ratio at the receiver output. 4.2.10.2 Limits Class of emission J3E and Class of emission F1B (analogue output) The spurious response rejection ratio shall not be less than
49、60 dB. Class of emission F1B (digital output) The bit error ratio shall be 10-2 or better. 4.2.10.3 Conformance Conformance tests as described in clause 5.4.6 may be carried out. 4.2.11 Receiver spurious emissions 4.2.11.1 Definition Spurious emissions are any radio frequency emissions generated in the receiver and radiated either by way of conduction to the antenna or other conductors connected to the receiver, or radiated directly by the receiver. For the purposes of the present document only spurious emissions conducted by way of the antenn
