ETS 300 373 : 20001
Current
The latest, up-to-date edition.
RADIO EQUIPMENT AND SYSTEMS (RES) - TECHNICAL CHARACTERISTICS AND METHODS OF MEASUREMENTS FOR MARITIME MOBILE TRANSMITTERS AND RECEIVERS FOR USE IN THE MF AND HF BANDS
Hardcopy , PDF
Foreword
1 Scope
2 Normative references
3 Definitions, abbreviations and symbols
3.1 Definitions
3.2 Abbreviations
3.3 Symbols
4 General requirements
4.1 Construction
4.2 Controls and indicators
4.3 Labels
4.4 Safety precautions
4.5 Classes of emission
4.6 Frequency bands
4.7 Warming up period
4.8 Instructions
5 Test conditions
5.1 General
5.2 Test power source
5.3 Normal test conditions
5.4 Extreme test conditions
5.5 Artificial antennas
5.6 Standard test signals
5.7 Measurement uncertainty and interpretation of
the measuring results
6 Environmental tests
6.1 Introduction
6.2 Procedure
6.3 Performance check
6.4 Vibration test
6.5 Temperature tests
6.6 Corrosion test
6.7 Rain test
7 Transmitter
7.1 General
7.2 Frequency error
7.3 Output power and intermodulation products
7.4 Unwanted frequency modulation
7.5 Sensitivity of the microphone
7.6 Sensitivity of the 600 W line input for SSB
telephony
7.7 Automatic level control and/or limiter for SSB
telephony
7.8 Audio frequency response of SSB telephony
7.9 Power of out-of-band emissions of SSB telephony
7.10 Power of conducted spurious emissions of SSB
telephony
7.11 Residual hum and noise power for telephony
7.12 Residual frequency modulation on DSC
7.13 Carrier suppression
7.14 Continuous operation on telephony
7.15 Protection of transmitter
7.16 Radiotelephone alarm signal requirements
8 Receiver
8.1 Receiver output powers
8.2 Frequency error
8.3 Unwanted frequency modulation
8.4 Pass band
8.5 Maximum usable sensitivity
8.6 Adjacent signal selectivity
8.7 Block
8.8 Cross modulation
8.9 Intermodulation
8.10 Reciprocal mixing
8.11 Spurious response rejection ratio
8.12 Harmonic content in output
8.13 Audio frequency intermodulation
8.14 Spurious emissions
8.15 Internally generated spurious signals
8.16 AGC efficiency
8.17 AGC time constants (attack and recovery time)
8.18 Protection of input circuits
Annex A (informative): Bibliography
History
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