Modern Digital Communication Techniques 5n1v69

THE KAVERY ENGINEERING COLLEGE, MECHERI BRANCH / SEM / YEAR: ME-COMPUTER & COMMUNICATION / I / I SUBJECT: MODERN DIGITAL COMMUNICATION TECHNIQUES Max.Marks:50

Duration: 1 ½ Hr INTERNAL TEST I

PART-A

(2*7=14)

Answer all the Questions 1. Define Bit Error Rate? 2. What mean by co-herent Detection & Non-coherent Detection? 3. Compare the probability fro different data transmission system? 4. Write short notes on MFSK? 5. Draw the block diagram of Binary PSK Transmitter and Receiver? 6. Write the advantage and disadvantage of DPSK? 7. Calculate the bandwidth of BPSK Signal?

PART-B Answer all the Questions 1. Explain details about the partially Coherent Receiver? 2.

Explain briefly about the IQ Modulation & Demodulation?

(3*12=36)

3. Explain Rayleigh And Rician Channels?

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