requirements for pcb multilayer circuit board-ag凯发k8国际

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requirements for pcb multilayer circuit board
views:29 date:2021-11-03
(1) the power plane should be close to the ground plane, tightly coupled with the ground plane, and arranged below the ground plane.

(2) the signal layer should be adjacent to the inner electrical layer, not directly adjacent to other signal layers.

(3) isolate the digital circuit and the analog circuit. if conditions permit, arrange the analog signal lines and digital signal lines in layers, and adopt shielding measures; if they need to be arranged on the same signal layer, they need to use isolation bands and ground lines to reduce interference; power supplies for analog circuits and digital circuits and the ground should be isolated from each other and cannot be mixed.

(4) the high-frequency circuit has a large external interference, and it is best to arrange it separately, and use the intermediate signal layer directly adjacent to the inner electric layer above and below for transmission, so as to use the copper film of the inner electric layer to reduce external interference.

contact us
contact: mr. zhong (marketing manager) 13590338876  
miss liu (head of business department) 13570886571  
tel: 0755-26652383   27873199  
fax: 0755-29961933  
e-mail: szbldpcb@163.com  
address: 5th floor, science and technology building, fuyongxinghua road, bao'an district, shenzhen  
 

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