电子技术
電子技術
전자기술
Electronic Technology
2015年
10期
34-37
,共4页
印刷电路板%PCB%电磁干扰%布线%电磁兼容
印刷電路闆%PCB%電磁榦擾%佈線%電磁兼容
인쇄전로판%PCB%전자간우%포선%전자겸용
PCB%Electromagnetic interference%Wiring%Electromagnetic compatibility
PCB的有效抗干扰设计,是电子产品设计的关键环节,影响着电路工作的可靠性及稳定性。文章剖析了电路板存在电磁干扰的主要原因,从电路板的选取、电路板元器件的布局、电源与地的布线和信号线的布线等方面总结出在PCB设计时有效抑制和防止电磁干扰的措施与原则。
PCB的有效抗榦擾設計,是電子產品設計的關鍵環節,影響著電路工作的可靠性及穩定性。文章剖析瞭電路闆存在電磁榦擾的主要原因,從電路闆的選取、電路闆元器件的佈跼、電源與地的佈線和信號線的佈線等方麵總結齣在PCB設計時有效抑製和防止電磁榦擾的措施與原則。
PCB적유효항간우설계,시전자산품설계적관건배절,영향착전로공작적가고성급은정성。문장부석료전로판존재전자간우적주요원인,종전로판적선취、전로판원기건적포국、전원여지적포선화신호선적포선등방면총결출재PCB설계시유효억제화방지전자간우적조시여원칙。
The design of PCB is the key part of electronic products designing, which affects the reliability and stability of the circuit. This paper analyzes the main reason for electromagnetic interference of the circuit board. PCB designing is summarized for measures and principles from the selection of circuit board, PCB components layout, power and ground and the signal line wiring, which can effectively inhibit and prevent the electromagnetic interference.