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← ScienceWhich mechanism reduces crosstalk between signal traces within a PCB?
A)Ground plane capacitive coupling
B)Differential signaling common-mode rejection✓
C)Increased trace characteristic impedance
D)Series termination far-end reflections
💡 Explanation
Differential signaling reduces crosstalk because common-mode noise is rejected by the receiver due to destructive interference, rather than increased trace impedance or capacitive coupling; therefore crosstalk is minimized provided that the signal traces are closely matched.
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