Which phenomenon can degrade the performance of sensitive circuits by introducing disruptive energy from beyond the device?
Surges from an overvoltage internal supply
Interference from normal radio communications
Repeated changes in hardware timing signals
External bursts that couple into circuits unintentionally
External bursts that couple into circuits unintentionally can inject unintended signals and degrade reliability. Surges from an overvoltage internal supply reflect internal fluctuations, not disruptive energy entering from outside. Repeated changes in hardware timing signals are deliberate operations, not an external effect. Interference from normal radio communications usually involves purposeful transmissions rather than unexpected coupling into circuitry.
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