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EMI control technology of PCB 3

  1. Laminated design

Under the premise of cost permitting, increasing the number of grounding layers and placing the signal layer close to the grounding layer can reduce EMI radiation. For high-speed PCBs, the power plane and ground plane are closely coupled, which can reduce the power supply impedance, thereby reducing EMI.

4. Layout

According to the signal current flow, a reasonable layout can reduce the interference between signals. Reasonable layout is the key to controlling EMI. The basic principles of the layout are:

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XPCB Limited is a premium PCB & PCBA manufacturer based in China.

We specialize in multilayer flexible circuits, rigid-flex PCB, HDI PCB, and Rogers PCB.

Quick-turn PCB prototyping is our specialty.  Demanding project is our advantage.

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Electromagnetic Compatibility Design of Mobile Phone PCB (1)

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