DSB-SC, SSB-SC Modulator & Detector

1. How is the carrier signal used in the demodulation of a DSB-SC signal?
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2. In Single Sideband Suppressed Carrier (SSB-SC) modulation, how is the message signal typically reconstructed?
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3. Which of the following best describes the phase relationship between the message signal and carrier in DSB-SC modulation?
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4. Which filter type is typically used to extract the original message signal from an SSB-SC signal?
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5. In DSB-SC modulation, how is the amplitude of the carrier signal affected by the modulation process?
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6. What is the key difference between DSB-SC and SSB-SC in terms of bandwidth usage?
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7. In an SSB-SC signal, what happens to the carrier frequency?
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8. In a DSB-SC system, how is the demodulated signal obtained?
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9. Which property of SSB-SC modulation makes it preferable for long-distance communication compared to DSB-SC?
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10. In evaluating the efficiency of various amplitude modulation schemes, which key limitation makes DSB-SC less bandwidth-efficient than its alternatives, particularly SSB-SC?
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