
SPECIFICATION FOR RADIO INTERFERENCE LIMITS AND MEASUREMENTS FOR THE ELECTRICAL IGNITION SYSTEMS OF INTERNAL COMBUSTION ENGINES
出版:British Standards Institution

专家解读视频
Describes protection of the reception of sound and television signals in the range 40 MHz to 250 MHz prescribing limits of radiation from internal combustion engines. Specifies the method of measurement to be used. Gives a measurement of the insertion loss of components used in making up radio interference suppression devices for use with ignition systems. Not intended to apply to ignition systems fitted in aircraft.
CISPR 21 : 2.0 - Similar to