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Which consequence results when radio frequency interference creates constructive interference in a receiver's intermediate frequency (IF) stage?

A)Decreased signal-to-noise ratio
B)Increased spurious signal amplitude
C)Reduced receiver bandwidth
D)Elevated even-order harmonic distortion

💡 Explanation

Increased spurious signal amplitude results from constructive interference, as energy accumulates via superposition. The mechanism is wave addition, because the interfering signals combine in phase, therefore amplitude increases rather than being cancelled as with destructive interference.

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