Relationship Signal S Spectrum Bandwidth Attenuation Compare Contrast Dte Dee Components D Q34192333

1. What is the relationship between a signal’s spectrum and itsbandwidth? What is attenuation?
2. Compare and contrast DTE with DeE. What are the components ofthe DTE and DCE?
3. What are the different categories of modulation to changedigital signals to analog signals?
4. Define channel capacity and what key factors affect channelcapacity.
5. What distinguishes Frequency Division Multiplexing (FDM)? TimeDivision Multiplexing (TDM)? Statistical Time Division Multiplexing(STDM)? Wavelength Division Multiplexing (WDM)?
6. Why is multiplexing so cost-effective?

Expert Answer

Answer:- The spectrum of a signal is the frequencies it containswhile the bandwidth of a signal is the width of the spectrum

The spectrum of the signal can be seen as the frequencies whichare