3. Standardizing disturbances

There is as yet no official international standard defining RFI (radiated disturbance) and EMI (conducted disturbance). Existing standards are defined by a number of national bodies, but the current trend in European countries is towards unification.

The main organizations are :

• IUT (International Telecommunication Union) defines and implements treaties. It controls RFI at international level. Its offices are under the authority of the United Nations;

• The FFC (Federal Communications Commission) in the United States regulates these disturbances;

• The IEC (International Electrotechnical...