1. Write about BFSK, BPSK, QPSK, OQPSK modulation schemes in detail.
2. What is meant by multipath fading? Describe with suitable diagrams.
3. Explain band selection and image rejection filters with suitable circuit diagrams.
4. Explain design features of front end parameters for DECT in detail.
5. Write down the major differences in design features of Narrow band wide band LNA.
6. Explain Low Pass and Band Pass sigma Delta modulators in detail.
7. Compare various kinds of fading with suitable diagrams where necessary.
8. Explain in a wireless channel, path environment and path loss. Give diagrams and suitable formulae.