cmt PT1 Question BAnk

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

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