Answered: Digital Subscriber Lines can not be…

Engineering

Electrical Engineering

Digital Subscriber Lines can not be implemented with loading coils for the reason that

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 7RQ

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Concept explainers

Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

Digital Subscriber Lines can not be implemented with loading coils for the reason that

a. loading coils are heavy and tend to sag the line

b. loading coils are not compatible with DSL repeaters

c. loading coils are only good for short distances

d. loading coils attenuates signals beyond the voiceband

2. Under the 1st generation of analog mobile phone systems, what is the frequency used for advance mobile phones?

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