DSB-SC, SSB-SC Modulator & Detector
1. In a DSB-SC modulation scheme, which of the following statements is correct about the spectrum of the modulated signal?
2. What is the main advantage of SSB-SC modulation over DSB-SC modulation?
3. How is the carrier signal used in the demodulation of a DSB-SC signal?
4. In Single Sideband Suppressed Carrier (SSB-SC) modulation, how is the message signal typically reconstructed?
5. Which of the following best describes the phase relationship between the message signal and carrier in DSB-SC modulation?
6. Which filter type is typically used to extract the original message signal from an SSB-SC signal?
7. In DSB-SC modulation, how is the amplitude of the carrier signal affected by the modulation process?
8. What is the key difference between DSB-SC and SSB-SC in terms of bandwidth usage?
9. In an SSB-SC signal, what happens to the carrier frequency?
10. In a DSB-SC system, how is the demodulated signal obtained?
11. Which property of SSB-SC modulation makes it preferable for long-distance communication compared to DSB-SC?
12. What is the main disadvantage of using DSB-SC modulation compared to other modulation schemes?