Data line magnetic ring what effect?

- Dec 29, 2017 -

Data line magnetic ring what effect?

The magnetic ring has different impedance characteristics at different frequencies, and the impedance is generally small at low frequency. When the signal frequency increases, the impedance of the magnetic ring increases sharply. As we all know, the higher the signal frequency, the easier it is to radiate (to buy a good computer chassis is also to reduce electromagnetic leakage), and the general signal lines are not shielded, then these signal lines become a good antenna , To receive the clutter of the surrounding high-frequency signals, and these signals superimposed on the original signal transmission, and even change the original useful signal transmission. So under the action of the magnetic ring, so that the normal and useful signal through a good, but also good to inhibit the high-frequency interference signal through.

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