APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY Previous Years Question Paper & Answer
University : APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Course : B.Tech
Semester : SEMESTER 4
Subject : Analog Communication Engineering
Year : 2018
Term : APRIL
Scheme : 2015 Full Time
Course Code : EC 208
Page:2
PDF Text (Beta):
E4812 Pages: 2
Draw the block diagram of FM transmitter using indirect method and explain its (10)
working.
Describe the working of a varactor diode modulator in FM. (10)
Describe the working of a Transistor modulator in FM. (10)
Draw and explain pre-emphasis and de-emphasis circuits used in FM. (5)
Explain the working principle of DTMF. (5)
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