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IEC 61993-1:1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Maritime navigation and radiocommunication equipment and systems - Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques - Operational and performance requirements, methods of testing and required test results
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
31-12-2021
English, English - French
28-04-1999
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General requirements
4.1 General
4.2 Composition
4.3 Design and construction
4.4 Controls and indicators
4.5 Interfacing
4.6 Permissible warming-up period
5 Performance requirements
5.1 General
5.2 Compatibility
5.3 Identification
6 Operational requirements
6.1 Ship-shore identification
6.2 Ship-ship identification
7 Technical requirements
7.1 Channel sensing
7.2 Class of emission and modulation characteristics
7.3 Frequency bands and channels
7.4 Switching time
7.5 Safety precautions
7.6 Transmitter
7.7 Receiver
7.8 Antenna system
7.9 Power supply
7.10 System DSC facility
8 Test conditions
8.1 General
8.2 Unspecified tests
8.3 Test power source
8.4 Normal test conditions
8.5 Extreme test conditions
8.6 Procedures for tests at extreme temperatures
8.7 Test signals
8.8 Measurement of bit error rate (BER)
8.9 Measurement uncertainty and interpretation of the
measurement results
9 Environmental tests
9.1 Introduction
9.2 Temperature tests
9.3 Vibration
9.4 Corrosion
9.5 Rain
10 Performance tests
10.1 General
10.2 Compatibility
10.3 Identification
11 Operational tests
11.1 Ship-shore identification
11.2 Ship-ship identification
12 Technical tests
12.1 Sensing capability
12.2 Switching time
13 Transmitter tests
13.1 Frequency error
13.2 Carrier power
13.3 Frequency deviation
13.4 Sensitivity of the modulator
13.5 Modulation index
13.6 Adjacent channel power
13.7 Conducted spurious emissions conveyed to the antenna
13.8 Transient frequency behaviour of the transmitter
14 Receiver tests
14.1 Calling sensitivity
14.2 Dynamic range
14.3 Co-channel rejection
14.4 Adjacent channel selectivity
14.5 Blocking immunity
14.6 Intermodulation response
14.7 Conducted spurious emissions into the antenna
15 Other tests
15.1 Antenna system
15.2 Power supply
15.3 Compass safe distance
16 Safety precautions
17 EMC emissions
18 EMC immunity
Annex A (informative) Relationship between bit error rate
(BER) input and symbol error rate (SER) output
Annex B (normative) Power measuring receiver specification
Annex C (informative) Description of the operation of the
system
Figures
1 - Test set-up for measuring transient frequency behaviour
2 - Storage oscilloscope view t1, t2 and t3
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