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layer adjacent trace pcb
Thanks--I just spoke to Prof. Tom Van Doren (the master of all grounding/shielding issues) at Missouri Institute of Science and Technology, and he confirms what you said. I didn't understand the reasoning, but he made it very clear. The reason is because for high...
trace impedance
Hello,
I have a multilayer board (12 layers, might have to increase...read on) with multiple isolated grounds (returns).
It is an FPGA design, and all of the signals with critical impedance specs are FPGA-ground referenced digital I/O signals.
In my layer stackup, there are...
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