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IEC CISPR 17

Methods of measurement of the suppression characteristics of passive EMC filtering devices

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Organization: IEC
Publication Date: 1 June 2011
Status: active
Page Count: 136
ICS Code (Electromagnetic compatibility in general): 33.100.01
scope:

This International standard specifies methods to measure the radio interference suppression characteristics of passive EMC filtering devices used in power and signal lines, and in other circuits.

The defined methods may also be applied to combinations of over-voltage protection devices and EMC filtering devices.

The measurement method covers the frequency range from 9 kHz to several GHz depending on the device and test circuit.

NOTE Measurement methods in this standard may be applied up to 40 GHz.

The standard describes procedures for laboratory tests (type tests) as well as factory tests. Test methods with and without bias conditions are defined.

Measurement procedures are provided for unbiased and bias conditions. Measurements under bias conditions are performed to determine potential non-linear behaviour of the EMC filtering devices such as saturation effects in inductors with magnetic cores. This testing serves to show the usability in a specific application (such as frequency converters that produce high amplitudes of common mode pulse current and thus may drive inductors into saturation). Measurement under bias conditions may be omitted if the non-linear behaviour can be determined by other methods (e.g. separate saturation measurement of the inductors used).

Document History

IEC CISPR 17
June 1, 2011
Methods of measurement of the suppression characteristics of passive EMC filtering devices
This International standard specifies methods to measure the radio interference suppression characteristics of passive EMC filtering devices used in power and signal lines, and in other circuits....
January 1, 1981
Methods of Measurement of the Suppression Characteristics of Passive Radio Interference Filters and Suppression Components
This C.I.S.P.R. publication prescribes methods of measurement of insertion loss of passive radio-frequency suppression filters, which may consist of single elements, such as capacitors, inductors or...

References

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