Chapter 25 Summary: Right-Angle Bends and Vias: Potential Sources Of Reflections and Other Problems
Right-angle bends and vias have been the source of much concern when it comes to routing PCBs. Each is thought to be a significant source of signal integrity problems including reflections and EMI. Much work has been done to dispel these concerns, yet there is still a group of engineers who won’t allow their use. In this chapter, tests will be conducted to show conclusively whether these two features should be of concern. The reader will also learn how the author tracked down the original flawed data that ushered in the “no right-angle” rule decades ago.
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