BS CISPR 12:1997

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

Supplies protection for broadcast receivers in the frequency range of 30 MHz to 1000 MHz when used in a residential envrionment. May provide adequate protection for new types of receivers or radio transmissions used in the residential environment nearer than 10m to the vehicle or device.