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Questions and Answers
What is analog-to-analog conversion?
What is analog-to-analog conversion?
- The representation of analog information by an analog signal (correct)
- The representation of digital information by an analog signal
- The representation of digital information by a digital signal
- The representation of analog information by a digital signal
Why is modulation needed for an analog signal?
Why is modulation needed for an analog signal?
- If the medium has unlimited bandwidth available
- If the medium is highpass in nature or if only a highpass channel is available
- If the medium is bandpass in nature or if only a bandpass channel is available (correct)
- If the medium is lowpass in nature or if only a lowpass channel is available
What is the required bandwidth for Amplitude Modulation (AM)?
What is the required bandwidth for Amplitude Modulation (AM)?
- B/2, where B is the bandwidth of the modulating signal
- 2B, where B is the bandwidth of the modulating signal (correct)
- B, where B is the bandwidth of the modulating signal
- 3B, where B is the bandwidth of the modulating signal
What does AM band alloc refer to?
What does AM band alloc refer to?
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Why can one half of the spectrum be discarded in AM transmission?
Why can one half of the spectrum be discarded in AM transmission?
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