The influence of geometry and material properties of PCB on the impedance of DTL is analyzed. Impedance calculation and terminal matching for SCSI LVD bus are performed on the basis of the influence analysis.

• 分析了PCB几何特性和材料特性对特性阻抗的影响,并将此作为并行SCSILVD总线特性阻抗计算依据和终端匹配的理论基础。