080280046 Communication Engineering Nov Dec 2013 Question Paper

Question Paper Code 41234 
Fifth Semester 
Electrical and Electronics Engineering 
(Common to 080280036 Communication Engineering for B.E(Part-time) Fourth 
Semester Electrical and Electronics Engineering) 
'Time : Three hours 
(Regulation 2008) 
Maximum : 100 marks
Answer ALL questions. 

PART A —(10 x 2 = 20 marks) 
1.The carrier. performs certain functions in radio communication. What are they? 
2.When the modulation is 80%, an AM transmitter produces 20KW. How much of this is carrier power? 
3.Which circuit device is used.o' connect a balanced transmission, line to an unbalanced load? 'Write its unique features. 
4.Define velocity factor. and Di-electric constant. 
5.For a PCM system with a mædmum. audio input frequency of 4KHz, determine the minimum sample rate and alias frequency produced if a audio signal were allowed to enter the sample an hold circuit. 
6.What is slope overload? 
7.Show. an example of ENQ/ACK line discipline. 
8.List the key objectives of developing ISDN architecture: 
9.Give out the formula for calculating round trip. time delay of Geosynchronous satellites. 
10.What is index profile? Classify them. 

Full Name :Arumugam.P
College Name :SNS College of Technology
Department :EEE
Semester :05
Subject Code :080280046
Subject Name :Communication Engineerig
Study Material Description :QP

Attachment :

.pdf   CE Nov Dec 2013 QP.pdf (Size: 1.73 MB / Downloads: 493)
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    080280046 Communication Engineering Nov Dec 2013 Question Paper