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IEC CISPR 24 Document Information:
Title
Information Technology Equipment - Immunity Characteristics - Limits and Methods of Measurement
Appareils De Traitement De L´Information - Caracteristiques D´Immunite - Limites Et Methodes De Mesure
International Electrotechnical Commission
Publication Date:
Sep 1, 1997
Scope:
Scope and object
This CISPR publication applies to information technology equipment (ITE) as defined in CISPR 22.
Procedures are defined for the measurement of ITE and limits are specified which are developed for ITE and within the frequency range from 0 Hz to 400 GHz.
The object of this publication is to establish requirements which will provide an adequate level of intrinsic immunity so that the equipment will operate as intended in its environment.
For exceptional environmental conditions, special mitigation measures may be required.
Owing to testing and performance assessment considerations, some tests are specified in defined frequency bands or at selected frequencies. Equipment which fulfils the requirements at these frequencies is deemed to fulfil the requirements in the entire frequency range from 0 Hz to 400 GHz for electromagnetic phenomena.
The object of this publication is to define the immunity test requirements for equipment defined in the scope in relation to continuous and transient, conducted and radiated disturbances, including electrostatic discharges (ESD).
The test requirements are specified for each port considered.
NOTES
1 Safety considerations are not covered in this publication.
2 In special cases, situations will arise where the level of disturbance may exceed the levels specified in this publication, for example where a hand-held transmitter is used in proximity to an equipment. In these instances special mitigation measures may have to be employed.
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