Analog Signals, A/D-D/A in Telecommunications, and the Digital Hierarchy
ludyh6
ntc362___week2_dicussion.docxNTC/362 Week 2
Analog Signals, A/D-D/A in Telecommunications, and the Digital Hierarchy
1 Write a 200- to 300-word response to the following:
Supporting Activities: Introduction to Modems
•what are the various modulation techniques? Begin your explanation with frequency-shift keying and move to multilevel QAM
2 Write a 200- to 300-word response to the following
Supporting Activity: Fundamentals of Digital Signals
•What is the nature of digital signals, binary, and other multilevel signal types?
•What are the advantages of digital signals over analog signals? Cover noise suppression in your explanation
3 Write a 200- to 300-word response to the following:
Supporting Activity: Digitization of Analog Signals
•Provide a specific example of digitizing analog signals in the telephone system. Explain band limiting and quantization noise. Explain the µ law and the A law conversion in the coder-decoder.
4 Write a 200- to 300-word response to the following:
Supporting Activity: Digital Systems and the Digital Hierarchy
•Explain digital multiplexing, the digital T(X), and SONET hierarchy. Explain the differences between the American and European systems.
NTC/362
Week
2
Analog Signals, A/D
-
D/A in Telecommunications, and the Digital
Hierarchy
1
Write
a 200
-
to 300
-
word response to the following:
Supporting Activities:
Introduction to Modems
•
what
are the various modulation techniques? Begin your explanation with frequency
-
shift
keying and move to multilevel QAM
2
Write
a 200
-
to 300
-
word response to the following
Supporting Activity:
Fundamentals of Digital Signals
•What is the nature of digital signals, binary, and other multilevel signal types?
•What are the advantages of digital signals over analog signals? Cover noise suppression
in your explanation
3
Write
a 200
-
to 300
-
word response to the following:
Supporting Activity:
Digitization of Analog Signals
•Provide a specific example of digitizing analog signals in the telephone system. Explain
band limiting and quantization noise. Explain the µ law and the A law conversion in the
co
der
-
decoder.
4
Write
a 200
-
to 300
-
word response to the following:
Supporting Activity: Digital Systems and the Digital Hierarchy
•
Explain digital multiplexing, the digital T(X), and SONET hierarchy. Explain the differences
between the American and European systems.
•Explain digital services
such as Integrated Services Digital Network, Switched Multimegabit
Data System, and Switch 56.
NTC/362 Week 2
Analog Signals, A/D-D/A in Telecommunications, and the Digital
Hierarchy
1 Write a 200- to 300-word response to the following:
Supporting Activities: Introduction to Modems
•what are the various modulation techniques? Begin your explanation with frequency-shift
keying and move to multilevel QAM
2 Write a 200- to 300-word response to the following
Supporting Activity: Fundamentals of Digital Signals
•What is the nature of digital signals, binary, and other multilevel signal types?
•What are the advantages of digital signals over analog signals? Cover noise suppression
in your explanation
3 Write a 200- to 300-word response to the following:
Supporting Activity: Digitization of Analog Signals
•Provide a specific example of digitizing analog signals in the telephone system. Explain
band limiting and quantization noise. Explain the µ law and the A law conversion in the
coder-decoder.
4 Write a 200- to 300-word response to the following:
Supporting Activity: Digital Systems and the Digital Hierarchy
•Explain digital multiplexing, the digital T(X), and SONET hierarchy. Explain the differences
between the American and European systems.
•Explain digital services such as Integrated Services Digital Network, Switched Multimegabit
Data System, and Switch 56.
