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← ScienceWhich outcome results when parasitic capacitance couples high-frequency traces on PCB to ground plane?
A)Signal distortion due to impedance mismatch✓
B)Reduced power consumption from DC blocking
C)Improved signal integrity from noise filtering
D)Increased clock frequency from enhanced resonance
💡 Explanation
When parasitic capacitance couples high-frequency PCB traces to the ground plane, signal distortion occurs due to impedance mismatch, because the capacitive reactance introduces reflections and alters the waveform which degrades signal integrity. Therefore signal distortion results because of signal reflection; rather than improved integrity/resonance because of added impedance, or decreased power consumption which relates to resistance.
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