( 2021-06-23 阅读 2013 )
楼主，嘉立创FR4-PCB介电常数Er=4.6，CEr=3.8
C1 0.8mil*0.0254=0.0203mm
C2 0.5mil*0.0254=0.0127mm W1-1mil=w2，输出需要的阻抗反推W1
