Since the earliest days of radio communications, the negative effects of interference from both intentional and unintentional transmissions have been felt and the need to … See more

Electromagnetic interference divides into several categories according to the source and signal characteristics.
The origin of interference, often called "noise" in this context, can be human-made (artificial) or natural.
Continuous, or … See more

Conducted EMI is caused by the physical contact of the conductors as opposed to radiated EMI which is caused by induction (without physical contact of the conductors). See more

The International Special Committee for Radio Interference or CISPR (French acronym for "Comité International Spécial des Perturbations … See more

Interference with the meaning of electromagnetic interference, also radio-frequency interference (EMI or RFI) is – according to Article 1.166 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as "The effect of … See more

Interference tends to be more troublesome with older radio technologies such as analogue amplitude modulation, which have no way of … See more

In the United States, the 1982 Public Law 97-259 allowed the Federal Communications Commission (FCC) to regulate the susceptibility of consumer electronic equipment.
Potential sources of RFI and EMI include: various types of See more