Thakur Polytechnic
PT-1 Question Bank
IF5E-CMT (12185)
Three Marks Questions
1.
Draw P.P.M. waveform
2.
Explain unipolar
encoding Technique
3.
Compare AM & FM
4.
Explain concept of Noise
5.
Explain Nyquest Theorem
6.
Represent data 10110100
for RZ & NRZ
7.
Draw unipolar & Bipolar Encoding waveform 11001010
8.
Define AM,FM,PM
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Four Marks Questions
1.
draw AM waveform in time
domain for m>1,m=1 &m<1
2.
Draw neat block diagram
of Communication system. State functions of each block
3.
i)data
rate ii) Baud rate iii)channel capacity iv)bit rate iv) channel
bandwidth
4.
Draw frequency spectrum
of AM .state 2 advantages of FM over AM
5.
Define modulation index
of AM , draw waveform for m=1,m<1,m>1
6.
What is polarization ?
state different types of Polarization
7.
State & explain
Sampling theorem
8.
Assume data of 12 bit
& draw encoded waveform using unipolar encoding
9.
State & explain
Sampling theorem
10. Define nyquest rate .What is aliasing
11. Draw waveform of PWM & PPM
12. Explain concept of Noise
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