PCB4层叠层
1.4层板,PCB排版结构
L1(TOPLAYER) 1.9mil
2116*2 9mil (介电常数:4.5) L2(GND) 1.2mil
Core 61mil
L3(VCC) 1.2mil
2116*2 9mil (介电常数:4.5) L4(BOTTOMLAYER) 1.9mil
说明:L1、L4为信号层,L2、L3为电源层;
总厚度:83*0.0254=2.1mm
差分线宽9mil,9mil间距,阻抗值100欧姆;
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1.4层板,PCB排版结构
L1(TOPLAYER) 1.9mil
2116*2 9mil (介电常数:4.5) L2(GND) 1.2mil
Core 61mil
L3(VCC) 1.2mil
2116*2 9mil (介电常数:4.5) L4(BOTTOMLAYER) 1.9mil
说明:L1、L4为信号层,L2、L3为电源层;
总厚度:83*0.0254=2.1mm
差分线宽9mil,9mil间距,阻抗值100欧姆;