SIST EN 300 086-1 V1.3.1:2008

SLOVENSKI STANDARD
SIST EN 300 086-1 V1.3.1:2008
01-december-2008
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Electromagnetic compatibility and Radio spectrum Matters (ERM) - Land Mobile Service

- Radio equipment with an internal or external RF connector intended primarily for

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

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Intellectual Property Rights................................................................................................................................6

Foreword.............................................................................................................................................................6

1 Scope........................................................................................................................................................7

2 References................................................................................................................................................7

2.1 Normative references.........................................................................................................................................8

2.2 Informative references........................................................................................................................................8

3 Definitions, symbols and abbreviations ...................................................................................................8

3.1 Definitions..........................................................................................................................................................8

3.2 Symbols..............................................................................................................................................................9

3.3 Abbreviations...................................................................................................................................................10

4 General...................................................................................................................................................10

4.1 Selection of equipment for testing purposes.....................................................................................................10

4.1.1 Choice of model for testing ........................................................................................................................10

4.1.1.1 Auxiliary test equipment .......................................................................................................................11

4.1.1.2 Declarations by the provider .................................................................................................................11

4.2 Mechanical and electrical design......................................................................................................................11

4.2.1 General........................................................................................................................................................11

4.2.2 Controls......................................................................................................................................................11

4.2.3 Transmitter shut-off facility........................................................................................................................11

4.3 Marking............................................................................................................................................................11

5 Test conditions, power sources and ambient temperatures ....................................................................11

5.1 Normal and extreme test conditions .................................................................................................................11

5.2 Test power source.............................................................................................................................................12

5.3 Normal test conditions......................................................................................................................................12

5.3.1 Normal temperature and humidity..............................................................................................................12

5.3.2 Normal test power source ...........................................................................................................................12

5.3.2.1 Mains voltage........................................................................................................................................12

5.3.2.2 Regulated lead-acid battery power sources used on vehicles................................................................12

5.3.2.3 Other power sources..............................................................................................................................12

5.4 Extreme test conditions ....................................................................................................................................13

5.4.1 Extreme temperatures.................................................................................................................................13

5.4.2 Extreme test source voltages.......................................................................................................................13

5.4.2.1 Mains voltage........................................................................................................................................13

5.4.2.2 Regulated lead-acid battery power sources used on vehicles................................................................13

5.4.2.3 Power sources using other types of batteries.........................................................................................13

5.4.2.4 Other power sources..............................................................................................................................13

5.5 Procedure for tests at extreme temperatures.....................................................................................................14

5.5.1 Procedure for equipment designed for continuous transmission.................................................................14

5.5.2 Procedure for equipment designed for intermittent transmission ...............................................................14

5.5.3 Testing of equipment that does not have an external 50 Ω RF connector (integral antenna

equipment) ..................................................................................................................................................14

6 General test conditions ...........................................................................................................................15

6.1 Arrangements for test signals applied to the receiver input..............................................................................15

6.2 Receiver mute or squelch facility .....................................................................................................................15

6.3 Artificial antenna..............................................................................................................................................15

6.4 Test sites and general arrangements for radiated measurements ......................................................................15

6.5 Arrangement for test signals at the input of the transmitter .............................................................................15

6.6 Receiver rated audio output power...................................................................................................................15

6.7 Tests of equipment with a duplex filter ............................................................................................................15

7 Technical characteristics of the transmitter............................................................................................16

7.1 Frequency error................................................................................................................................................16

7.1.1 Definition....................................................................................................................................................16

7.1.2 Method of measurement.............................................................................................................................16

7.1.3 Limits..........................................................................................................................................................16

7.2 Transmitter power (conducted) ........................................................................................................................17

7.2.1 Definitions..................................................................................................................................................17

7.2.2 Method of measurement.............................................................................................................................17

7.2.3 Limits..........................................................................................................................................................17

7.3 Maximum effective radiated power..................................................................................................................17

7.3.1 Definition....................................................................................................................................................17

7.3.2 Methods of measurement............................................................................................................................18

7.3.3 Limits..........................................................................................................................................................20

7.4 Frequency deviation.........................................................................................................................................21

7.4.1 Definition....................................................................................................................................................21

7.4.2 Method of measurement.............................................................................................................................21

7.4.2.1 Maximum permissible frequency deviation ..........................................................................................21

7.4.2.2 Response of the transmitter to modulation frequencies above 3 kHz ...................................................21

7.4.3 Limits..........................................................................................................................................................21

7.4.3.1 Maximum permissible frequency deviation ..........................................................................................21

7.4.3.2 Response of the transmitter to modulation frequencies above 3 kHz ...................................................22

7.5 Adjacent and alternate channel power..............................................................................................................22

7.5.1 Definition....................................................................................................................................................22

7.5.2 Method of measurement.............................................................................................................................23

7.5.3 Limits..........................................................................................................................................................24

7.6 Unwanted emissions in the spurious domain....................................................................................................24

7.6.1 Definition....................................................................................................................................................24

7.6.2 Method of measuring the power level ........................................................................................................25

7.6.3 Method of measuring the effective radiated power.....................................................................................26

7.6.4 Limits..........................................................................................................................................................28

7.7 Intermodulation attenuation..............................................................................................................................29

7.7.1 Definition....................................................................................................................................................29

7.7.2 Method of measurement.............................................................................................................................30

7.7.3 Limits..........................................................................................................................................................31

7.8 Void........................................................................................................................................................31

8 Technical characteristics of the receiver ................................................................................................31

8.1 Maximum usable sensitivity (conducted).........................................................................................................31

8.1.1 Definition....................................................................................................................................................31

8.1.2 Method of measurement.............................................................................................................................31

8.1.3 Limits..........................................................................................................................................................31

8.2 Maximum usable sensitivity (field strength) ....................................................................................................32

8.2.1 Definition....................................................................................................................................................32

8.2.2 Method of measurement.............................................................................................................................32

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

8.3 Co-channel rejection.........................................................................................................................................33

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

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

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

8.4 Adjacent channel selectivity.............................................................................................................................34

8.4.1 Definition....................................................................................................................................................34

8.4.2 Method of measurement.............................................................................................................................34

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

8.5 Spurious response rejection..............................................................................................................................34

8.5.1 Definition....................................................................................................................................................34

8.5.2 Introduction to the method of measurement ...............................................................................................35

8.5.3 Method of measurement.............................................................................................................................35

8.5.3.1 Method of search over the "limited frequency range"...........................................................................35

8.5.3.2 Method of measurement - Step 2 ..........................................................................................................36

8.5.4 Limits..........................................................................................................................................................36

8.6 Intermodulation response rejection ..................................................................................................................36

8.6.1 Definition....................................................................................................................................................36

8.6.2 Method of measurement.............................................................................................................................36

8.6.3 Limits..........................................................................................................................................................37

8.7 Blocking or desensitization ..............................................................................................................................37

8.7.1 Definition....................................................................................................................................................37

8.7.2 Method of measurement.............................................................................................................................37

8.7.3 Limits..........................................................................................................................................................37

8.8 Spurious radiations...........................................................................................................................................38

8.8.1 Definition....................................................................................................................................................38

8.8.2 Method of measuring the power level ........................................................................................................38

8.8.3 Method of measuring the effective radiated power.....................................................................................39

8.8.4 Limits..........................................................................................................................................................40

9 Duplex operation....................................................................................................................................41

9.1 Receiver desensitization (with simultaneous transmission and reception).......................................................41

9.1.1 Definition....................................................................................................................................................41

9.1.2 Method of measurement when the equipment operates with a duplex filter...............................................41

9.1.3 Measuring method when the equipment operates with two antennas .........................................................41

9.1.4 Limits..........................................................................................................................................................42

9.2 Receiver spurious response rejection (with simultaneous transmission and reception) ...................................42

9.2.1 Definition....................................................................................................................................................42

9.2.2 Method of measurement.............................................................................................................................42

9.2.3 Limits..........................................................................................................................................................43

10 Measurement uncertainty .......................................................................................................................43

Annex A (normative): Radiated measurement..................................................................................45

A.1 Test sites and general arrangements for measurements involving the use of radiated fields .................45

A.1.1 Anechoic chamber............................................................................................................................................45

A.1.2 Anechoic chamber with a conductive ground plane.........................................................................................46

A.1.3 Open Area Test Site (OATS) ...........................................................................................................................47

A.1.4 Test antenna......................................................................................................................................................48

A.1.5 Substitution antenna.........................................................................................................................................48

A.1.6 Measuring antenna...........................................................................................................................................49

A.2 Guidance on the use of radiation test sites .............................................................................................49

A.2.1 Verification of the test site ...............................................................................................................................49

A.2.2 Preparation of the EUT.....................................................................................................................................49

A.2.3 Power supplies to the EUT...............................................................................................................................49

A.2.4 Volume control setting for analogue speech tests ............................................................................................49

A.2.5 Range length.....................................................................................................................................................50

A.2.6 Site preparation................................................................................................................................................50

A.3 Coupling of signals.................................................................................................................................51

A.3.1 General.............................................................................................................................................................51

A.3.2 Data signals......................................................................................................................................................51

A.3.3 Speech and analogue signals ............................................................................................................................51

A.3.3.1 Acoustic coupler description.......................................................................................................................51

A.3.3.2 Calibration..................................................................................................................................................52

Annex B (normative): Specification for some particular measurement arrangements.................53

B.1 Power measuring receiver specification.................................................................................................53

B.1.1 IF filter.............................................................................................................................................................53

B.1.2 Attenuation indicator........................................................................................................................................54

B.1.3 RMS value indicator.........................................................................................................................................54

B.1.4 Oscillator and amplifier....................................................................................................................................54

B.2 Spectrum analyser specification.............................................................................................................55

B.2.1 Adjacent and alternate channel power measurement........................................................................................55

B.2.2 Unwanted emissions measurement...................................................................................................................55

B.3 Integrating and power summing device .................................................................................................55

Annex C (informative): Bibliography...................................................................................................56

History ..............................................................................................................................................................57

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