Research on signal integrity design of high-speed PCB transmission line
In order to solve the signal integrity problem caused by the limited routing space and improper routing design of transmission lines in high density and integrated high speed PCB,the design of 8-layer high speed PCB was studied by means of theoretical analysis,empirical design and simulation analysis.The influence of high-speed PCB routing design on signal integrity such as transmission line reflection and crosstalk is analyzed.After the com-pletion of PCB wiring,the influence of PCB transmission line width,line spacing and impedance value on signal in-tegrity was studied by SIwave software simulation,and the reliability of the design experience value of 3 W spacing and 50 Ω impedance was verified.Guide PCB signal routing design to achieve signal integrity,so as to provide refer-ence for practical engineering application.
signal integritytransmission linecrosstalkreflectionPCB design