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← TechnologyIn a Software Defined Radio (SDR), which consequence occurs when Automatic Gain Control (AGC) fails during a rapidly fading signal?
A)Signal clipping introduces harmonic distortion✓
B)Reduced bandwidth lowers data throughput
C)Increased SNR improves demodulation accuracy
D)Lower bit-rate increases delay spread
💡 Explanation
Signal clipping and harmonic distortion occurs because, when AGC fails, the strong instantaneous signal overpowers ADC limits, and this is the **clipping distortion** caused by hard limiting, rather than SNR improving, therefore, maintaining data integrity is impacted rather than enhancing demodulation accuracy.
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