On a recent prototype board with distributed clocks (of course no fly-wires) --100 ohm damping made the waveforms sloppy, 10 ohms did not prevent the overshoots, but 47 ohms was just right.
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On a recent prototype board with distributed clocks (of course no fly-wires) --100 ohm damping made the waveforms sloppy, 10 ohms did not prevent the overshoots, but 47 ohms was just right.