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Technical Article


Why are vias bad for high-frequency PCBs (Printed Circuit Boards)?

Time:2018-11-09 09:34:40 Click:

Via is made of drill hole +pad area around the drill hole.

 

During the high speed and high frequency PCBs, a lot vias are obviously bad.

 

1)Via will take up a lot spaces, which is bad for PCB Layout.

2)Via as the breakpoint of the impedance discontinuity in transmission line, which will cause a reflection of a signal.

 

    


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