FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Requirements common to vehicle and component/module
emissions measurement
4.1 General test requirements and test plan
4.1.1 Categories of disturbance sources (as applied
in the test plan)
4.1.2 Test plan
4.1.3 Determination of conformance of EUT with limits
4.1.4 Operating conditions
4.1.5 Test report
4.2 Measuring equipment requirements
4.3 Shielded enclosure
4.4 Absorber-lined shielded enclosure (ALSE)
4.4.1 Reflection characteristics
4.4.2 Size
4.4.3 Objects in ALSE
4.5 Measuring instrument
4.5.1 Spectrum analyzer parameters
4.5.2 Scanning receiver parameters
4.6 Power supply
5 Measurement of emissions received by an antenna on the
same vehicle
5.1 Antenna measuring system
5.1.1 Type of antenna
5.1.2 Measuring system requirements
5.2 Method of measurement
5.3 Examples of limits for vehicle radiated disturbances
6 Measurement of components and modules
6.1 Test equipment
6.1.1 Ground plane
6.1.2 Signal/control lines network
6.2 Conducted emissions from components/modules - Voltage
method
6.2.1 General
6.2.2 Ground plane arrangement
6.2.3 Limits for conducted disturbances from
components/modules - Voltage method
6.3 Conducted emissions from components/modules - current
probe method
6.3.1 Test setup
6.3.2 Test procedure
6.3.3 Limits for conducted disturbances from
components/modules - Current probe method
6.4 Radiated emissions from components/modules - ALSE method
6.4.1 General
6.4.2 Test setup
6.4.3 Test procedure
6.4.4 Limits for radiated disturbances from
components/modules - ALSE method
6.5 Radiated emissions from components/modules - TEM cell
method
6.5.1 General
6.5.2 Test setup
6.5.3 Test procedure
6.5.4 Limits for radiated disturbances from
components/modules - TEM cell method
6.5.5 Disturbances radiated from integrated circuits
6.6 Radiated emissions from components/modules - Stripline
method
Annex A (informative) Flow chart for checking the applicability
of CISPR 25
Annex B (informative) Notes on the suppression of disturbances
Annex C (normative) Antenna matching unit - Vehicle test
Annex D (informative) Artificial network schematic
Annex E (informative) TEM cell dimensions
Annex F (informative) Characterization procedure for shielded
enclosure for component testing
Annex G (informative) Sheath current suppressor
Annex H (informative) Radiated emissions from components/modules -
Stripline method
Annex I (informative) Guidance for the determination of the noise
floor of active vehicle antennas in the AM
and FM Range
Annex J (informative) Interference to mobile radiocommunication in
the presence of impulsive noise - Methods of
judging degradation
Annex K (informative) Items Under Consideration