A line 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.
In particular, an AC Line Filter is used between the AC power line and the equipment.
Read more about Line Filter: Types of Line Filters, Characteristics of Line Filters
Famous quotes containing the word line:
“There is a line between a definite maybe and an indefinite yes.”
—Mason Cooley (b. 1927)