A. What is the bandwidth of a typical telephone link? Give two advantages and two disadvantages of using this bandwidth compared to a much wider bandwidth, such as the 50 Hz to 20,000 Hz of a CD recording.
b. Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?© BrainMass Inc. brainmass.com April 3, 2020, 8:55 pm ad1c9bdddf
a. A typical telephone bandwidth has a typical bandwidth of 3.1 kHz, from 300 Hz to 3400 Hz. The two advantages of using this smaller bandwidth is:
- It is selective only to voice frequencies and ...
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