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CISPR 25-2016 Vehicles, boats and internal combustion engines – Radio disturbance characteristics – Limits and methods of measurement for the protection of on-board receivers
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CISPR 25
Edition 4.0 2016-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Vehicles, boats and internal combustion engines – Radio disturbance
characteristics – Limits and methods of measurement for the protection of
on-board receivers
Véhicules, bateaux et moteurs à combustion interne – Caractéristiques des
perturbations radioélectriques – Limites et méthodes de mesure pour la
protection des récepteurs embarqués
CISPR 25:2016-10(en-fr)
®
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
colour
inside
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CISPR 25
Edition 4.0 2016-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Vehicles, boats and internal combustion engines – Radio disturbance
characteristics – Limits and methods of measurement for the protection of
on-board receivers
Véhicules, bateaux et moteurs à combustion interne – Caractéristiques des
perturbations radioélectriques – Limites et méthodes de mesure pour la
protection des récepteurs embarqués
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.10, 33.100.20
ISBN 978-2-8322-3726-7
® Registered trademark of the International Electrotechnical Commission
®
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
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inside
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– 2 – CISPR 25:2016 © IEC 2016
CONTENTS
FOREWORD ........................................................................................................................... 8
INTRODUCTION ................................................................................................................... 10
1 Scope ............................................................................................................................ 11
2 Normative references .................................................................................................... 12
3 Terms and definitions .................................................................................................... 13
4 Requirements common to vehicle and component/module emissions
measurements ............................................................................................................... 17
4.1 General test requirements ..................................................................................... 17
4.1.1 Categories of disturbance sources (as applied in the test plan) ...................... 17
4.1.2 Test plan ....................................................................................................... 17
4.1.3 Determination of conformance of equipment under test (EUT) with limits ....... 17
4.1.4 Operating conditions ...................................................................................... 18
4.1.5 Test report ..................................................................................................... 19
4.2 Shielded enclosure ............................................................................................... 19
4.3 Absorber-lined shielded enclosure (ALSE) ............................................................ 19
4.3.1 General ......................................................................................................... 19
4.3.2 Size ............................................................................................................... 19
4.3.3 Objects in ALSE ............................................................................................ 19
4.3.4 ALSE performance validation ......................................................................... 20
4.4 Measuring instrument............................................................................................ 20
4.4.1 General ......................................................................................................... 20
4.4.2 Spectrum analyser parameters ...................................................................... 20
4.4.3 Scanning receiver parameters ....................................................................... 23
4.5 Power supply ........................................................................................................ 25
5 Measurement of emissions received by an antenna on the same vehicle ....................... 26
5.1 Antenna measuring system ................................................................................... 26
5.1.1 Type of antenna ............................................................................................. 26
5.1.2 Measuring system requirements .................................................................... 26
5.2 Method of measurement ....................................................................................... 28
5.3 Test setup for vehicle in charging mode ................................................................ 30
5.3.1 General ......................................................................................................... 30
5.3.2 AC power charging without communication .................................................... 30
5.3.3 AC or DC power charging with communication line(s) or with signal
line(s) ............................................................................................................ 33
5.4 Examples of limits for vehicle radiated disturbances ............................................. 37
6 Measurement of components and modules .................................................................... 39
6.1 General ................................................................................................................. 39
6.2 Test equipment ..................................................................................................... 39
6.2.1 Reference ground plane ................................................................................ 39
6.2.2 Power supply and AN .................................................................................... 40
6.2.3 Load simulator ............................................................................................... 40
6.3 Conducted emissions from components/modules – Voltage method ...................... 41
6.3.1 General ......................................................................................................... 41
6.3.2 Test setup ..................................................................................................... 41
6.3.3 Test procedure .............................................................................................. 42
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CISPR 25:2016 © IEC 2016 – 3 –
6.3.4
Limits for conducted disturbances from components/modules – Voltage
method .......................................................................................................... 46
6.4 Conducted emissions from components/modules – Current probe method ............ 49
6.4.1 Test setup ..................................................................................................... 49
6.4.2 Test procedure .............................................................................................. 49
6.4.3 Limits for conducted disturbances from components/modules – Current
probe method ................................................................................................ 52
6.5 Radiated emissions from components/modules – ALSE method ............................ 54
6.5.1 General ......................................................................................................... 54
6.5.2 Test setup ..................................................................................................... 54
6.5.3 Test procedure .............................................................................................. 57
6.5.4 Limits for radiated disturbances from components/modules – ALSE
method .......................................................................................................... 62
6.6 Radiated emissions from components/modules – TEM cell method ....................... 65
6.7 Radiated emissions from components/modules – Stripline method ........................ 65
Annex A (informative) Flow chart for checking the applicability of CISPR 25 ........................ 66
Annex B (normative) Antenna matching unit – Vehicle test................................................... 67
B.1 Antenna matching unit parameters (150 kHz to 6,2 MHz) ...................................... 67
B.2 Antenna matching unit – Verification ..................................................................... 67
B.2.1 General ......................................................................................................... 67
B.2.2 Gain measurement ........................................................................................ 67
B.2.3 Test procedure .............................................................................................. 67
B.3 Impedance measurement ...................................................................................... 67
Annex C (informative) Sheath-current suppressor ................................................................ 69
C.1 General information .............................................................................................. 69
C.2 Suppressor construction ....................................................................................... 69
Annex D (informative) Guidance for the determination of the noise floor of active
vehicle antennas in the AM and FM range ............................................................................ 70
Annex E (normative) Artificial networks (AN), artificial mains networks (AMN) and
asymmetric artificial networks (AAN) ..................................................................................... 73
E.1 General ................................................................................................................. 73
E.2 Artificial networks (AN) ......................................................................................... 73
E.2.1 Component powered by LV ............................................................................ 73
E.2.2 Component powered by HV ........................................................................... 75
E.2.3 Component involved in charging mode connected to DC power mains ........... 77
E.2.4 Vehicle in charging mode connected to DC power mains ............................... 77
E.3 Artificial mains networks (AMN) ............................................................................ 77
E.3.1 Component AMN ........................................................................................... 77
E.3.2 Vehicle in charging mode connected to AC power mains ............................... 77
E.4 Asymmetric artificial network (AAN) ...................................................................... 78
E.4.1 General ......................................................................................................... 78
E.4.2 Symmetric communication lines ..................................................................... 78
E.4.3 PLC on power lines........................................................................................ 79
E.4.4 PLC (technology) on control pilot ................................................................... 80
Annex F (informative) Radiated emissions from components/modules – TEM cell
method ................................................................................................................................. 82
F.1 General ................................................................................................................. 82
F.2 Test setup ............................................................................................................. 83
F.2.1 Setup with major field emission from the wiring harness ................................ 83
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