October 2018
Intermediate to advanced
555 pages
17h 33m
English
Content preview from Principles of Synchronous Digital Hierarchy
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99Line Coding and Digital Modulation
7. How can the received signal quality be improved in a limited band-
width system?
8. What is “ringing” and “ISI,” and what is their effect on the error rate
of a received signal?
9. Is power consumption of the communication system a concern?
How does power consumption vary with type of line code?
10. Illustrate an example of “in-circuit monitoring” feature in a line
code.
11. What are the probable causes of error in the received digital signal?
What is detection distance?
12. How does the cost matter in a communication system? What factors
lead to increased cost?
13. Which are the line codes usually deployed in practical systems?
14. How are RZ and NRZ codes different from each other ...
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