BS CISPR 12:1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Vehicles, motorboats and spark-ignited engine-driven devices. Radio disturbance characteristics. Limits and methods of measurement
Hardcopy , PDF
21-05-2002
English
15-04-1999
1 Scope
2 Normative references
3 Definitions
4 Limits of disturbance
4.1 Determination of appropriate limit level
4.2 Broadband emissions
4.3 Narrowband emissions
5 Methods of measurements
5.1 Measuring instrument requirements
5.2 Measuring location requirements
5.3 Test object conditions
5.4 Test frequencies
5.5 Data collection
6 Methods of checking for compliance with CISPR requirements
6.1 Evaluation (general)
6.2 Type test
6.3 Surveillance of series production
6.4 Quick prototype check for development testing (broadband
emissions only)
Annexes
A Statistical analysis of the results of measurements
B Rod antenna calibration - The equivalent capacitance
substitution method
C Antenna and transmission line maintenance and calibration
D Contruction features of motor vehicles affecting the emission
of ignition noise
E Measurement of the insertion loss of ignition noise suppressors
F Methods of measurement to determine the attenuation characteristics
of ignition noise suppressors for high-tension ignition systems
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