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← TechnologyWhich outcome occurs when parasitic capacitance causes ringing in a high-speed digital circuit?
A)Increased electromagnetic interference emissions✓
B)Reduced power consumption in idle states
C)Improved signal integrity at clock edges
D)Decreased thermal load on voltage regulators
💡 Explanation
When parasitic capacitance resonates with trace inductance, ringing occurs because the circuit forms an unintended LC oscillator radiating energy, increasing EMI. Therefore, increased EMI results, rather than reduced power, improved integrity, or lessened thermal load, because those each require completely different mechanisms.
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