SIST EN 301 925 V1.1.1:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RGHElectromagnetic compatibility and Radio spectrum Matters (ERM); Radiotelephone transmitters and receivers for the maritime mobile service operating in VHF bands; Technical characteristics and methods of measurement47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:EN 301 925 Version 1.1.1SIST EN 301 925 V1.1.1:2003en01-december-2003SIST EN 301 925 V1.1.1:2003SLOVENSKI
STANDARD
ETSI ETSI EN 301 925 V1.1.1 (2002-09) 2
Reference DEN/ERM-RP01-024 Keywords EMC, GMDSS, maritime, radio, telephony, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2002. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 301 925 V1.1.1:2003

ETSI ETSI EN 301 925 V1.1.1 (2002-09) 3
Contents Intellectual Property Rights.9 Foreword.9 1 Scope.10 2 References.10 3 Definitions, symbols and abbreviations.12 3.1 Definitions.12 3.2 Symbols.13 3.3 Abbreviations.13 4 General requirements.14 4.1 Construction.14 4.2 Controls and indicators.14 4.3 Handset and loudspeaker.15 4.4 Safety precautions.15 4.5 Labelling.16 4.6 Warm up.16 5 Technical requirements.16 5.1 Switching time.16 5.2 Class of emission and modulation characteristics.16 5.3 Multiple watch facilities.16 5.3.1 Additional performance standards.16 5.3.2 Scanning characteristics.17 5.4 DSC controller interfaces.17 5.4.1 Interface requirements.17 5.4.2 Signal interfaces.17 5.4.3 Operational interfaces.17 5.5 Voyage data recorder interface.18 6 Test conditions, power sources and ambient temperatures.18 6.1 Test conditions.18 6.2 Test power source.18 6.3 Normal test conditions.18 6.3.1 Normal temperature and humidity.18 6.3.2 Normal power source voltage.18 6.3.2.1 Mains powered equipment.18 6.3.2.2 Battery powered equipment.18 6.3.2.3 Other power sources.19 6.4 Extreme test conditions.19 6.4.1 Extreme temperatures.19 6.4.2 Extreme values of power source voltage.19 6.4.2.1 Mains powered equipment.19 6.4.2.2 Battery powered equipment.19 6.4.2.3 Other power sources.19 6.5 Procedure for tests at extreme temperatures.19 7 General conditions of measurement.19 7.1 Sequence of testing.19 7.2 Test channels.20 7.3 Squelch.20 7.4 Arrangements for test signals applied to the receiver input.20 7.5 Normal test modulation of the receiver wanted signal.20 7.6 Arrangements for monitoring the receiver output.20 7.7 Arrangements for test signals applied to the transmitter input.20 7.8 Normal test modulation of the transmitter.21 7.9 Arrangements for monitoring the transmitter output.21 SIST EN 301 925 V1.1.1:2003

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7.10 DSC encoder/decoder.21 7.11 Standard test signals for DSC.21 7.12 Determination of symbol error ratio in the output of the receiver.21 7.13 Interpretation of the measurement results.21 8 Performance checks.22 8.1 Performance checks - introduction.22 8.2 Performance check - transmitter frequency error.22 8.3 Performance check - transmitter carrier power.22 8.4 Performance check - transmitter audio frequency harmonic distortion of the emission.23 8.5 Performance check - receiver sensitivity.23 9 Environmental tests.23 9.1 Procedure.23 9.2 Vibration test.23 9.2.1 Definition.23 9.2.2 Method of measurement.23 9.2.3 Requirement.24 9.3 Temperature tests.24 9.3.1 Introduction.24 9.3.2 General Procedure.24 9.3.3 Dry heat.24 9.3.3.1 Definition.24 9.3.3.2 Method of measurement.24 9.3.3.3 Requirement.24 9.3.4 Damp heat.25 9.3.4.1 Definition.25 9.3.4.2 Method of measurement.25 9.3.4.3 Requirement.25 9.3.5 Low temperature cycle.25 9.3.5.1 Definition.25 9.3.5.2 Method of measurement.25 9.3.5.3 Requirement.25 10 Emissions tests.26 10.1 General conditions for emissions tests.26 10.2 Conducted emissions from power ports.26 10.2.1 Definition.26 10.2.2 Test method.26 10.2.3 Limits.27 10.3 Radiated emissions from the enclosure port.27 11 Immunity tests.28 11.1 General conditions for immunity tests.28 11.1.1 Introduction.28 11.1.2 Performance assessment.28 11.1.3 Ancillary equipment.28 11.1.4 Test configuration.28 11.1.5 Arrangements for test signals.29 11.1.5.1 General arrangements.29 11.1.5.2 Arrangements for test signals applied to the transmitter input.29 11.1.5.3 Arrangements for monitoring the transmitter output.29 11.1.5.4 Arrangements for test signals applied to the receiver input.29 11.1.5.5 Arrangements for monitoring the receiver output.29 11.1.6 Exclusion bands.30 11.1.6.1 Definition.30 11.1.6.2 Transmitter exclusion band for immunity tests.30 11.1.6.3 Receiver exclusion band for immunity tests.30 11.1.7 Assessment of receiver responses.30 11.2 Performance criteria.30 11.2.1 Categories.30 11.2.2 Performance criteria A for continuous phenomena.31 11.2.3 Performance criteria B for transient phenomena.31 SIST EN 301 925 V1.1.1:2003

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11.2.4 Performance criteria C for power supply failure.31 11.2.5 Immunity performance check.31 11.3 Electrostatic discharge immunity (ESD).31 11.3.1 Definition.31 11.3.2 Test method.32 11.3.3 Performance criteria.32 11.4 RF electromagnetic fields in the frequency range 80 MHz to 2 GHz.32 11.4.1 Definition.32 11.4.2 Test method.32 11.4.3 Performance criteria.33 11.5 Fast transient, common mode.33 11.5.1 Definition.33 11.5.2 Test method.33 11.5.3 Performance criteria.33 11.6 Conducted disturbances on power ports (RF common mode).33 11.6.1 Definition.33 11.6.2 Test method.34 11.6.3 Performance criteria.35 11.7 Power supply short term variations.35 11.7.1 Definition.35 11.7.2 Test method.35 11.7.3 Performance criteria.35 11.8 Power supply failure.35 11.8.1 Definition.35 11.8.2 Test method.36 11.8.3 Performance criteria.36 11.9 Surge.36 11.9.1 Definition.36 11.9.2 Test method.36 11.9.3 Performance criteria.36 12 Cabinet radiation and antenna port spurious emissions.37 12.1 Conducted spurious emissions conveyed to the antenna.37 12.1.1 Definition.37 12.1.2 Method of measurement.37 12.1.3 Limit.37 12.2 Cabinet radiation.38 12.2.1 Definition.38 12.2.2 Method of measurement.38 12.2.3 Limits.39 13 Transmitter.39 13.1 General conditions.39 13.2 Frequency error.39 13.2.1 Definition.39 13.2.2 Method of measurement.39 13.2.3 Limits.40 13.3 Carrier power.40 13.3.1 Definitions.40 13.3.2 Method of measurement.40 13.3.3 Limits.40 13.3.3.1 General.40 13.3.3.2 Normal test conditions.40 13.3.3.3 Extreme test conditions.40 13.4 Frequency deviation.40 13.4.1 Definition.40 13.4.2 Maximum permissible frequency deviation.41 13.4.2.1 Method of measurement.41 13.4.2.2 Limits.41 13.4.3 Reduction of frequency deviation at modulation frequencies above 3 kHz.41 13.4.3.1 Method of measurement.41 13.4.3.2 Limits.41 SIST EN 301 925 V1.1.1:2003

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13.5 Sensitivity of the modulator including the microphone.42 13.5.1 Definition.42 13.5.2 Method of measurement.42 13.5.3 Limits.42 13.6 Audio frequency response.42 13.6.1 Definition.42 13.6.2 Method of measurement.42 13.6.3 Limits.43 13.7 Audio frequency harmonic distortion of the emission.43 13.7.1 Definition.43 13.7.2 Method of measurement.43 13.7.3 Limits.44 13.8 Adjacent channel power.44 13.8.1 Definition.44 13.8.2 Method of measurement.44 13.8.3 Limits.44 13.9 Residual modulation of the transmitter.44 13.9.1 Definition.44 13.9.2 Method of measurement.45 13.9.3 Limit.45 13.10 Modulator attack time.45 13.10.1 Definition.45 13.10.2 Method of measurement.45 13.10.3 Limit.45 13.11 Transient frequency behaviour of the transmitter.46 13.11.1 Definition.46 13.11.2 Method of measurement.46 13.11.3 Limits.47 13.12 DSC audio input characteristics.49 13.12.1 Definition.49 13.12.2 Method of measurement.49 13.12.3 Limits.49 13.13 DSC audio input limitation.49 13.13.1 Definition.49 13.13.2 Method of measurement.49 13.13.3 Limit.49 13.14 Testing of generated DSC call sequences.49 13.14.1 Definition.49 13.14.2 Method of measurement.50 13.14.3 Requirement.50 14 Receiver.50 14.1 Harmonic distortion and rated audio output power.50 14.1.1 Definition.50 14.1.2 Methods of measurement.50 14.1.3 Limits.51 14.2 Audio frequency response.51 14.2.1 Definition.51 14.2.2 Method of measurement.51 14.2.3 Limits.51 14.3 Maximum usable sensitivity.52 14.3.1 Definition.52 14.3.2 Method of measurement.52 14.3.3 Limits.53 14.4 Amplitude characteristic of the receiver.53 14.4.1 Definition.53 14.4.2 Method of measurement.53 14.4.3 Limits.53 14.5 Co-channel rejection.53 14.5.1 Definition.53 14.5.2 Method of measurement.53 14.5.3 Limit.54 SIST EN 301 925 V1.1.1:2003

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14.6 Adjacent channel selectivity.54 14.6.1 Definition.54 14.6.2 Method of measurement.54 14.6.3 Limits.54 14.7 Spurious response rejection.54 14.7.1 Definition.54 14.7.2 Method of measurement.55 14.7.2.1 Introduction to the method of measurement.55 14.7.2.2 Method of search over the "limited frequency range".55 14.7.2.3 Method of measurement.56 14.7.3 Limit.56 14.8 Intermodulation response.56 14.8.1 Definition.56 14.8.2 Method of measurement.56 14.8.3 Limit.56 14.9 Blocking or desensitization.57 14.9.1 Definition.57 14.9.2 Method of measurement.57 14.9.3 Limit.57 14.10 Receiver noise and hum level.57 14.10.1 Definition.57 14.10.2 Method of measurement.57 14.10.3 Limit.57 14.11 Squelch operation.58 14.11.1 Description.58 14.11.2 Squelch audio muting.58 14.11.2.1 Definition.58 14.11.2.2 Method of measurement.58 14.11.2.3 Limits.58 14.11.3 Squelch operating level.58 14.11.3.1 Definition.
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