Podcast
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?
Why can one half of the spectrum be discarded in AM transmission?
Why can one half of the spectrum be discarded in AM transmission?