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← TechnologyWhich consequence results when guard bands diminish within multiplexing?
A)Increased inter-channel interference occurs✓
B)Reduced power amplifier backoff arises
C)Improved spectral efficiency happens
D)Enhanced modulation error ratio appears
💡 Explanation
Inter-channel interference rises because diminished guard bands lead to signal overlap via inadequate frequency separation, a form of crosstalk. Therefore, adjacent channel signals bleed into each other, rather than remaining isolated; amplifier power is mostly irrelevant here.
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