CISPR

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The Comité International Spécial des Perturbations Radioélectriques (CISPR; English: International Special Committee on Radio Interference) was founded in 1934 to set standards for controlling electromagnetic interference in electrical and electronic devices, and is a part of the International Electrotechnical Commission (IEC).

Organization[edit]

CISPR is composed of six subcommittees, each responsible for a different area, defined as:

  • A - Radio-interference measurements and statistical methods
  • B - Interference relating to industrial, scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipment and to electric traction
  • D - Electromagnetic disturbances related to electric/electronic equipment on vehicles and internal combustion engine powered devices
  • F - Interference relating to household appliances tools, lighting equipment and similar apparatus
  • H - Limits for the protection of radio frequencies
  • I - Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers

Technical standards[edit]

CISPR's standards cover the measurement of radiated and conducted interference. EMI test results can vary widely according to the exact layout of the equipment and cabling. compatibility of multimedia equipment - Emission requirements. This replaced CISPR 13 and CISPR 22.

  • CISPR 35 - Electromagnetic compatibility of multimedia equipment - Immunity requirements This will replace CISPR 20 and CISPR 24

Application[edit]

Depending on the market, CISPR's standards are a benchmark or goal for suppliers to reach either to meet OEM requirements or as a product feature. For example, in the automotive electronic market, CISPR 25 is an increasingly popular benchmark and requirement for body electronics. Electronic suppliers have become increasingly focused on proving that their devices can meet CISPR 25, for example Texas Instruments has been releasing reference designs that prove one or more devices can meet the standard if used in a design correctly.[1]

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