ETSI ETS 300 067 ed.1 (1990-11)

SLOVENSKI STANDARD
SIST ETS 300 067:1999
01-september-1999
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Radio Equipment and Systems (RES); Radiotelex equipment operating in the maritime

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the

Whilst every care has been taken in the preparation and publication of this document, errors in content,

typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to

"ETSI Editing and Committee Support Dept." at the address shown on the title page.

Foreword .......................................................................................................................................................9

1 Scope ................................................................................................................................................11

2 General requirements .......................................................................................................................11

2.1 Construction.......................................................................................................................11

2.2 Controls and indicators ......................................................................................................12

2.3 Operational precautions.....................................................................................................12

2.4 Operational and maintenance instructions ........................................................................13

2.5 Safety precautions .............................................................................................................13

2.6 Warming-up period ............................................................................................................13

2.7 Operational facilities...........................................................................................................13

3 Test conditions ..................................................................................................................................14

3.1 General ..............................................................................................................................14

3.2 Test power supply source..................................................................................................14

3.3 Normal test conditions .......................................................................................................14

3.3.1 Normal temperature and humidity.................................................................14

3.3.2 Normal test power source .............................................................................14

3.3.2.2 Secondary battery power sources .......................................15

3.4 Extreme test conditions .....................................................................................................15

3.4.1 Temperatures when testing under extreme conditions .................................15

3.5 Procedures of tests at extreme temperatures ...................................................................15

3.5.1 Before measurements...................................................................................15

3.5.2 Extreme values of test power sources ..........................................................15

3.5.2.2 Secondary battery power sources .......................................15

3.6 Environmental tests ...........................................................................................................15

3.7 Standard test signals .........................................................................................................16

3.7.1 Standard test signal 1....................................................................................16

3.7.2 Standard test signal 2....................................................................................16

3.7.3 Standard test signal 3....................................................................................16

3.7.4 Standard test signal 4....................................................................................16

3.7.5 Standard test signal 5....................................................................................16

3.7.6 Standard test signal 6....................................................................................16

3.7.7 Standard test signal 7....................................................................................16

3.7.8 Modulation rate..............................................................................................16

3.8 Application of test signals for integrated equipment and separate transmitters/receivers.17

3.8.1 Receiver ........................................................................................................17

3.9 Artificial antennas...............................................................................................................17

3.9.1 Transmitter ....................................................................................................17

3.9.2 Receivers ......................................................................................................17

3.10 Connection of test signals for radiotelex modems.............................................................17

3.10.1 NBDP encoder ..............................................................................................17

3.10.2 NBDP decoder ..............................................................................................18

3.10.3 Encoder/decoder states ................................................................................18

4 Integrated equipment - transmitting part: technical and operational requirements ...........................18

4.1 General ..............................................................................................................................18

4.1.1 Modulation rate..............................................................................................18

4.2 Frequencies and classes of emission (IMO COM.30/WP 4).............................................18

4.3 RF output power ................................................................................................................19

4.3.1 Definition .......................................................................................................19

4.3.2 Method of measurement ...............................................................................19

4.3.3 Limits.............................................................................................................19

4.4 RF output power stability....................................................................................................19

4.4.1 Definition....................................................................................................... 19

4.4.2 Method of measurement............................................................................... 19

4.4.3 Limits ............................................................................................................ 19

4.5 Residual RF noise power at the receiver input.................................................................. 20

4.5.1 Definition....................................................................................................... 20

4.5.2 Method of measurement............................................................................... 20

4.5.3 Limits ............................................................................................................ 20

4.6 Antenna tuning .................................................................................................................. 20

4.7 Protection of transmitters .................................................................................................. 20

4.7.1 Limit .............................................................................................................. 20

4.8 Continuous operation ........................................................................................................ 21

4.8.1 Definition....................................................................................................... 21

4.8.2 Method of measurement............................................................................... 21

4.8.3 Limits ............................................................................................................ 21

4.9 Unwanted emissions ......................................................................................................... 21

4.9.1 Definition....................................................................................................... 21

4.9.2 Method of measurement............................................................................... 21

4.9.3 Limits ............................................................................................................ 21

4.10 Residual frequency modulation......................................................................................... 21

4.10.1 Definition....................................................................................................... 21

4.10.2 Method of measurement............................................................................... 21

4.10.3 Limit .............................................................................................................. 22

4.11 Frequency error................................................................................................................. 22

4.11.1 Definition....................................................................................................... 22

4.11.2 Method of measurement............................................................................... 22

4.11.3 Limits ............................................................................................................ 22

4.12 Rise time ........................................................................................................................... 22

4.12.1 Definition....................................................................................................... 22

4.12.2 Method of measurement............................................................................... 22

4.12.3 Limits ............................................................................................................ 23

4.13 Fall time............................................................................................................................. 23

4.13.1 Definition....................................................................................................... 23

4.13.2 Method of measurement............................................................................... 23

4.13.3 Limit .............................................................................................................. 23

5 Integrated equipment - receiving part: technical and operational requirements............................... 23

5.1 Frequencies and classes of emission ............................................................................... 23

5.2 Calling sensitivity............................................................................................................... 24

5.2.1 Definition....................................................................................................... 24

5.2.2 Method of measurement............................................................................... 24

5.2.3 Limits ............................................................................................................ 24

5.3 Adjacent channel selectivity .............................................................................................. 24

5.3.1 Definition....................................................................................................... 24

5.3.2 Method of measurement............................................................................... 24

5.3.3 Limits ............................................................................................................ 25

5.4 Automatic gain control (AGC) or limiter response............................................................. 25

5.4.1 Definition....................................................................................................... 25

5.4.2 Method of measurement............................................................................... 25

5.4.3 Limit .............................................................................................................. 25

5.5 Interference rejection and blocking immunity.................................................................... 26

5.5.1 Definition....................................................................................................... 26

5.5.2 Method of measurement............................................................................... 26

5.5.3 Limits ............................................................................................................ 26

5.6 Co-channel rejection ......................................................................................................... 26

5.6.1 Definition....................................................................................................... 26

5.6.2 Method of measurement............................................................................... 26

5.6.3 Limits ............................................................................................................ 27

5.7 Intermodulation immunity .................................................................................................. 27

5.7.1 Definition....................................................................................................... 27

5.7.2 Method of measurement............................................................................... 27

5.7.3 Limits ............................................................................................................ 27

5.8 Errors due to vibration....................................................................................................... 27

5.8.1 Definition....................................................................................................... 27

5.8.2 Method of measurement ...............................................................................27

5.8.3 Limits.............................................................................................................28

5.9 Protection of input circuits..................................................................................................28

6 Radiotelex modems - modulating part: technical and operational requirements ..............................28

6.1 General ..............................................................................................................................28

6.2 Output signals....................................................................................................................28

6.3 Binary digital output............................................................................................................28

6.4 Audio output.......................................................................................................................28

6.4.1 General..........................................................................................................28

6.4.2 Frequency error.............................................................................................29

6.4.2.1 Definition..............................................................................29

6.4.2.2 Method of measurement......................................................29

6.4.2.3 Limit .....................................................................................29

6.4.3 Spurious signals on the output terminals ......................................................29

6.4.3.1 Definition..............................................................................29

6.4.3.2 Method of measurement......................................................29

6.4.3.3 Limit .....................................................................................29

6.4.4 Residual frequency modulation .....................................................................29

6.4.4.1 Definition..............................................................................29

6.4.4.2 Method of measurement......................................................29

6.4.4.3 Limit .....................................................................................29

6.4.5 Rise time (character form).............................................................................30

6.4.5.1 Definition..............................................................................30

6.4.5.2 Method of measurement......................................................30

6.4.5.3 Limits ...................................................................................30

6.4.6 Fall time.........................................................................................................30

6.4.6.1 Definition..............................................................................30

6.4.6.2 Method of measurement......................................................30

6.4.6.3 Limit .....................................................................................30

6.5 Activation of an associated transmitter..............................................................................31

7 Radiotelex modems - demodulating part: technical and operational requirements ..........................31

7.1 Input signal.........................................................................................................................31

7.1.1 Input level ......................................................................................................31

7.2 Calling sensitivity................................................................................................................31

7.2.1 Definition .......................................................................................................31

7.2.2 Method of measurement ...............................................................................31

7.2.3 Limits.............................................................................................................31

7.3 Dynamic range...................................................................................................................31

7.3.1 Definition .......................................................................................................31

7.3.2 Method of measurement ...............................................................................32

7.3.3 Limits.............................................................................................................32

7.4 Activation or deactivation of an associated receiver..........................................................32

8 RF transmitters for use in combination with radiotelex modems: technical and operational

requirements .....................................................................................................................................32

8.1 Frequencies and classes of emission................................................................................32

8.2 RF output power ................................................................................................................33

8.2.1 Definition .......................................................................................................33

8.2.2 Method of measurement ...............................................................................33

8.2.3 Limits.............................................................................................................33

8.3 RF output power stability....................................................................................................33

8.3.1 Definition .......................................................................................................33

8.3.2 Method of measurement ...............................................................................33

8.3.3 Limits.............................................................................................................33

8.4 Residual RF noise output power........................................................................................33

8.4.1 Definition .......................................................................................................33

8.4.2 Method of measurement ...............................................................................33

8.4.3 Limits.............................................................................................................34

8.5 Antenna tuning...................................................................................................................34

8.6 Protection of transmitters...................................................................................................34

8.6.1 Limits.............................................................................................................34

8.7 Continuous operation ........................................................................................................ 34

8.7.1 Definition....................................................................................................... 34

8.7.2 Method of measurement............................................................................... 34

8.7.3 Limits ............................................................................................................ 34

8.8 Unwanted emissions ......................................................................................................... 35

8.8.1 Definition....................................................................................................... 35

8.8.2 Method of measurement............................................................................... 35

8.8.3 Limits ............................................................................................................ 35

8.9 Residual frequency modulation......................................................................................... 35

8.9.1 Definition....................................................................................................... 35

8.9.2 Method of measurement............................................................................... 35

8.9.3 Limit .............................................................................................................. 35

8.10 Frequency modulation due to vibration ............................................................................. 35

8.10.1 Definition....................................................................................................... 35

8.10.2 Method of measurement............................................................................... 35

8.10.3 Limits ............................................................................................................ 36

8.11 Frequency error................................................................................................................. 36

8.11.1 Definition....................................................................................................... 36

8.11.2 Method of measurement............................................................................... 36

8.11.3 Limits ............................................................................................................ 36

8.12 Rise time ........................................................................................................................... 36

8.12.1 Definition....................................................................................................... 36

8.12.2 Method of measurement............................................................................... 37

8.12.3 Limits ............................................................................................................ 37

8.13 Fall time............................................................................................................................. 37

8.13.1 Definition....................................................................................................... 37

8.13.2 Method of measurement............................................................................... 37

8.13.3 Limit .............................................................................................................. 37

8.14 Input signals ...................................................................................................................... 37

8.15 Input level .......................................................................................................................... 37

9 RF receivers for use in combination with radiotelex modems: technical and operational

requirements..................................................................................................................................... 37

9.1 General.............................................................................................................................. 37

9.2 Frequencies and classes of emission .............................................................................. 38

9.3 Method of tuning................................................................................................................ 38

9.4 Frequency conversion....................................................................................................... 38

9.5 Frequency modulation due to vibration ............................................................................. 38

9.5.1 Definition....................................................................................................... 38

9.5.2 Method of measurement............................................................................... 38

9.5.3 Limits ............................................................................................................ 39

9.6 Maximum usable sensitivity............................................................................................... 39

9.6.1 Definition....................................................................................................... 39

9.6.2 Methods of measurements........................................................................... 39

9.6.3 Specified limits.............................................................................................. 39

9.7 Adjacent channel selectivity .............................................................................................. 39

9.7.1 Definition....................................................................................................... 39

9.7.2 Method of measurement.............................................................................. 39

9.7.3 Limits ............................................................................................................ 39

9.8 Two-signal tests of selectivity............................................................................................ 40

9.8.1 Blocking ........................................................................................................ 40