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Ferrite suppression filters

Ferrite suppression filters

Interference noises in electrical devices are overcome by the use of ferrite suppressor filters. Flowing currents generate magnetic fields which can have quite major effects on their environment. The well-known mains hum or high-frequency noises from a music system can be an indication that one or more power cables is not only conducting current but also acting as an antenna. The problem is particularly severe if the functioning of other electronic devices is affected by this interference. The cause of this is often that computers or devices are fitted with high-frequency power supply units which are not properly shielded. Broadband ferrite suppressor filters are a simple remedy for this. On SMD circuit boards or standard circuit boards they are used to compensate for interference which otherwise could have negative effects on the functioning of the electronic circuits.

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