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What is CISPR 22?

What is CISPR 22?

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Aug 31, 2022

CISPR 22 is an EMC standard by the International Electrotechnical Commission for limits and procedures for radio disturbance of Information Technology Equipment (ITE) for the frequency range from 9 kHz to 400 GHz. The standard sets limits on the emission of radio disturbance emitted by the ITE. This standard is replaced by CISPR 32:2015. It focuses to establish requirements that protect the radio spectrum from the interference of (Multimedia Equipment) MME, allowing radio services to operate as intended in the frequency range from 9 kHz to 400 GHz.

CISPR 22 categorizes ITE into two classes. They are as follows:

1. Class B ITE: This class is primarily intended for equipment used int eh domestic equipment.

  • Portable equipment with batteries.
  • Telecommunication equipment 
  • Personal computers and auxiliary connected equipment.

2. Class A ITE: Class A ITE comprises all other equipment that does not come under Class B.  




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