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Why can absorbing materials reduce metal interference?

Author:admin   AddTime:2021-08-07

Hello everyone, I am the editor, today I will talk to you about why absorbing materials can reduce metal interference? Let's take a look at it together.


 
Because of the insertion of the absorber, the measured parasitic capacitance will also be reduced, and the frequency shift will be reduced, which is consistent with the resonant frequency of the card reader, thereby improving the reading distance. Of course, the degree of improvement depends on the quality of the absorber material. Wave materials are widely used in various aspects of electronic equipment noise reduction, wave absorption and EMC. Experts have also made many models to explain their working principles, forming a lot of theoretical knowledge, but the disadvantage is that these theories are compared. It is complicated, and it is difficult for some readers who are not in the field to understand.

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