19-09-2014, 10:58 AM
Question Paper Code 41234
B.E./BTech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2013.
Fifth Semester
Electrical and Electronics Engineering
080280046 - COMMUNICATION 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 :
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