ETS 300 720 : 20001
Current
The latest, up-to-date edition.
RADIO EQUIPMENT AND SYSTEMS (RES); TECHNICAL CHARACTERISTICS AND METHODS MEASUREMENT FOR UHF ON-BOARD COMMUNICATIONS SYSTEMS AND EQUIPMENT
Hardcopy , PDF
English
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 Frequencies
4.3 Controls
4.4 Switching time
4.5 Safety precautions
4.6 Class of emission and modulation characteristics
4.7 Battery
4.8 Loudspeaker and microphone
4.9 Labelling
4.10 Equipment documentation
5 Test conditions, power sources and ambient temperatures
5.1 Normal end extreme test conditions
5.2 Test power source
5.3 Normal test conditions
5.4 Extreme test conditions
6 General conditions of measurement
6.1 Test connections
6.2 Arrangements for test signals
6.3 Receiver mute or squelch facility
6.4 Normal test modulation
6.5 Artificial antenna
6.6 Test channels
6.7 Measurement uncertainty and interpretation
of the measuring results
7 Environmental tests
7.1 Procedure
7.2 Performance check
7.3 Drop test on to a hard surface
7.4 Temperature tests
8 Transmitter
8.1 Frequency error
8.2 Carrier power
8.3 Frequency deviation
8.4 Limitation characteristics of the modulator
8.5 Sensitivity of the modulator, including
microphone
8.6 Audio frequency response
8.7 Audio frequency harmonic distortion of the
emission
8.8 Adjacent channel power
8.9 Residual modulation of the transmitter
8.10 Transient frequency behaviour of the
transmitter
8.11 Conducted spurious emissions conveyed to
the antenna
9 Receiver
9.1 Harmonic distortion and rated audio frequency
output power
9.2 Audio frequency response
9.3 Maximum usable sensitivity
9.4 Co-channel rejection
9.5 Adjacent channel selectivity
9.6 Spurious response rejection
9.7 Intermodulation response
9.8 Blocking or desensitisation
9.9 Conducted spurious emissions conveyed to the
antenna
Annex A (normative): Adjacent channel power measurement
A.1 Method of measurement
A.2 Power measuring receiver specification
History
States the minimum technical characteristics required for UHF radio equipment and systems operating on frequencies allocated to the maritime mobile services by the ITU Radio Regulations.
Committee |
RES 1
|
DocumentType |
Standard
|
Pages |
35
|
PublisherName |
European Telecommunications Standards Institute
|
Status |
Current
|
Supersedes |
Standards | Relationship |
DIN ETS 300720:1998-08 | Identical |
PN ETS 300 720 : 2005 | Identical |
NF ETS 300720 : 2000 | Identical |
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