Tag Archives: EMI filter

EMI Filter and Electronic Components

What is an EMI Filter?

An EMI filter, or electromagnetic interference filter, is an electronic passive device which is used in order to suppress conducted interference that is present on a signal or power line. EMI filter uses:

  • Suppress interference that is generated by the device or by other equipment in order make a device more immune to EMI signals present in the environment.
  • Suppress differential and common mode interference.

line filter or EMI filter, is the kind of electronic filter that is placed between an electronic equipment and a line external to it, to attenuate conducted radio frequencies — RFI, also known as electromagnetic interference (EMI) — between the line and the equipment.

 

emi filter photos
EMI Filter

Types of EMI Filters

There are different types of EMI filters such as RFI EMI filter, DC EMI filter, AC EMI filter, 3 phase EMI filter, Ethernet EMI filter, EMI air filter, EMI line filter, EMI suppression filter, EMI power filter or EMI noise filters.

Choosing the Right EMI Filter:

When you are looking for the right EMI filters, contact the The All Power Source company.  You will be able to find any EMI filter at this company.

Here is a simple video of EMI filters, as made by the AllPower Source Company, (which I am affiliated with).  These show EMC/EMI filters, RFI  or line filters as manufactured by the AllPower Company.

Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.[1] The disturbance may degrade the performance of the circuit or even stop it from functioning. In the case of a data path, these effects can range from an increase in error rate to a total loss of the data.[2] Both man-made and natural sources generate changing electrical currents and voltages that can cause EMI: automobile ignition systems, cell phones, thunder storms, the Sun, and the Northern Lights. EMI frequently affects AM radios. It can also affect cell phones, FM radios, and televisions.  (Source: Wikipedia)

 

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