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← ScienceWhich risk increases when an amplifier's group delay variation exceeds 10 ns across the bandwidth?
A)Signal pulse broadens significantly✓
B)Amplifier saturation increases rapidly
C)Intermodulation distortion decreases slightly
D)Device thermal runaway is expedited
💡 Explanation
Signal pulse broadens significantly because increased group delay variation causes different frequency components to propagate at varying speeds via dispersion; therefore the pulse broadens, rather than saturation increasing or thermal runaway, which have different causes.
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