IT 2202 - PRINCIPLES OF COMMUNICATION
Important Questions
UNIT I
1. Derive AM voltage distribution.
2. Derive AM power distribution.
3. Define Amplitude Modulation. Derive an expression for the AM wave?
4. Draw the amplitude modulation wave equation and explain?
5. Compare FM & PM
6. Derive the Phase Deviation and Modulation Index of angle modulated wave ?
UNIT II
1. With the neat block diagram explain coherent binary FSK transmitter and receivver?
2. Draw the block diagram of binary PSK system and explain with signal space diagram?
3. Write the expression for BPSK and explain the spectrum of BPSK?
4. Explain QPSK modulation scheme with constellation diagram?
5. What is ASK? Draw its waveform?
6. Compare BPSK and QPSK?
7. Explain operation of FSK transmitter and receiver.
8. Explain operation of DPSK transmitter and receiver.
9. Explain operation of BFSK transmitter and receiver.
10. Explain QASK and QAM system.
UNIT III
1. Draw the block diagram of PCM transmiter and receiver and explain.
2. Explain the noise in delta modulation.
3. Explain delta modulation with block diagram.
4. Explain the PCM and differential PCM with the Block diagram?
5. Explain Intersymbol interference and eye pattern?
UNIT IV
1 .Explain DS Spectrum system with coherent binary PSK?
2. Compare the merits and demerits of TDMS and CDMA multiple access technique.
3. Explain RAKE receiver and transmitter.
4. Compare TDMA and CDMA scheme.
5. Explain the operation of frequecy hop spread sprectrum with the help of neat diagram?
UNIT V
1. Explain KEPLER'S Law and how they relate satellite communication?
2. Define and describe satellite pattern and elevation categories?
3. Explain Satellite Up and Down link models.
4, Describe several types of Optical Fibre construction.
5, Explain Various type of Light Detector .
