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← ScienceWhich effect increases when a high-frequency RF signal propagates through a PCB trace with impedance discontinuities?
A)Signal reflections become larger✓
B)Capacitive filtering is amplified
C)Trace inductance decreases linearly
D)Skin effect losses diminish rapidly
💡 Explanation
Signal reflections increase with impedance discontinuities because standing waves are produced by wave reflection; rather than the signal propagating cleanly, wave interference increases because of discontinuities. Therefore, the reflected signal amplitude rises; inductive, skin effect, and filter behaviors are affected differently.
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