VEHICLES, BOATS AND INTERNAL COMBUSTION ENGINES - RADIO DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT FOR THE PROTECTION OF OFF-BOARD RECEIVERS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Limits of disturbance
4.1 Determination of conformance of vehicle/boat/device
with limits
4.2 Peak and quasi-peak detector limits
4.3 Average detector limit
5 Methods of measurement
5.1 Measuring instrument
5.1.1 Spectrum analyser parameters
5.1.2 Scanning receiver parameters
5.1.3 Antenna types
5.1.4 Accuracy
5.2 Measuring location requirements
5.2.1 Outdoor test site (OTS) requirements
5.2.2 Absorber lined shielded enclosure (ALSE)
requirements
5.2.3 Antenna requirements
5.3 Test object conditions
5.3.1 General
5.3.2 Vehicles and boats
5.3.3 Devices
5.4 Data collection
6 Methods of checking for compliance with CISPR
requirements
6.1 General
6.2 Application of limit curves
6.2.1 Measurements under dry conditions
6.2.2 Measurements under wet conditions
6.3 Evaluation (general)
6.4 Type approval test
6.4.1 Single sample
6.4.2 Multiple samples (optional)
6.5 Surveillance (quality audit) of series production
6.5.1 Single sample
6.5.2 Multiple samples (optional)
6.6 Quick prototype check for development testing
(optional, quasi-peak detector emissions only)
Annex A (normative) Statistical analysis of the results of
measurements
Annex B (normative) Procedure to determine an alternative
emission limit for measurements at 3 m antenna
distance
Annex C (informative) Antenna and transmission line
maintenance and characterization
Annex D (informative) Construction features of motor
vehicles affecting the emission of ignition noise
Annex E (informative) Measurement of the insertion loss
of ignition noise suppressors
Annex F (informative) Methods of measurement to determine
the attenuation characteristics of ignition noise
suppressors for high voltage ignition systems
Annex G (informative) Flow chart for checking the
applicability of CISPR 12
Annex H (informative) Items under consideration
Bibliography
Gives protection for broadcast receivers in the frequency range of 30 MHz to 1000 MHz when used in the residential environment.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC D |
| Supersedes |
|
