In the context of computer cables, discuss the concept of attenuation and how it affects signal quality. What measures can be taken to mitigate attenuation in long cable runs?
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In the context of computer cables, discuss the concept of attenuation and how it affects signal quality. What measures can be taken to mitigate attenuation in long cable runs?
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- In the context of computer cables, what is signal attenuation, and how does it affect data transmission over long distances?Explain the concept of signal attenuation in long cable runs and suggest techniques to mitigate its effects.How does the shielding in a coaxial cable affect its performance in transmitting data, and in what situations is it preferred over unshielded cables?
- How does "attenuation" affect signal quality in optical fiber transmission, and what measures can be taken to mitigate it?How does signal attenuation differ between coaxial cables and twisted-pair cables over extended distances?What is the role of coaxial cables in transmitting television signals, and how does it compare to other cable types?
- Explain the concept of "crosstalk" in computer cables. How does it affect signal quality, and what measures can be taken to mitigate crosstalk in high-speed data cables?Given a transmission rate of 1 Gbps and a propagation speed of 200m / μ sec , how many meters of cable are needed for a full duplex transmission link to have a minimum capacity of 1500 bytes?How far can a signal travel through a cable before attenuation of that signal becomes a concern?
- What is the significance of cable shielding in computer cables, and how does it impact signal quality and interference?For data is transmitted over twisted-pair cable, you have these characteristics: A signal's power on the channel is 60 dB, signal attenuation is 2 dB per 100 meters, and average noise power on the cable is 0.15 dB per meter. Answer the following questions: What's the S/N ratio at the end of a 60-meter channel? What's the S/N ratio at the end of a 1.5-kilometer channel? What's the maximum channel length if the receiving device requires at least 25 dB of S/N ratio for reliable operation?How do optical amplifiers work in long-distance optical fiber transmission, and what are their benefits in reducing signal loss?