The function of magnetic ring inductance
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The function of magnetic ring inductance
[magnetic ring inductance] is a kind of electronic component, whose main function is to convert electromagnetic induction. A simpler inductance can be a wire, which can be used as an antenna. To convert electric energy into electromagnetic wave, another complication is hollow line diagram, which can be used in frequency selection circuit and RF transmitting circuit. Compared with the former two inductors, there are I-type inductors, which can be used for filtering and energy storage. There are also common mode inductors that can be used to resist dry closing.
[magnetic ring inductance] the chip on the PC board is not only an electromagnetic interference object, but also an electromagnetic interference source. Generally speaking, we can divide these electromagnetic interference into two categories: series mode interference (differential mode interference) and common mode interference (grounding interference). Take the two PCB wires on the main board (the wires connecting the components of the main board) as an example. The so-called serial mode interference refers to the interference between the two wires, while the common mode interference refers to the interference caused by the potential difference between the two wires and the PCB ground wire. The series mode interference current acts on the two signal lines, and its conduction direction is consistent with the waveform and signal current; the common mode interference current acts on the signal line and the ground wire, and the interference current flows through one-half of each signal line in the same direction, and the ground wire is the common loop.