STUPIDSID
1 (a)
Compare TDM and FDM.
5 M
1 (b)
State and explain sampling theorem.
5 M
1 (c)
Explain companding.
5 M
1 (d)
What is the need of modulation?
5 M
2 (a)
Explain ISB technique of transmission.
10 M
2 (b)
What is the need of SSB generation, explain phase shifting methos of SSB generation.
10 M
3 (a)
Explain indirect FM generation method.
10 M
3 (b)
Explain sources of noise.
10 M
4 (a)
Explain superheterodyne radio reciever, what are the advantages over TRF.
10 M
4 (b)
Explain balaced modulator.
10 M
5 (a)
Explain adaptive delta modulation.
10 M
5 (b)
Explain pulse code modulation system.
10 M
6 (a)
The bit sequence 11010010 is to be transmitted using following formats:
(i) NRZ
(ii) Bipolar NRZ
(iii) Unipolar
(iv) Polar RZ
(v) Polar NRZ
Draw all the waveforms.
(i) NRZ
(ii) Bipolar NRZ
(iii) Unipolar
(iv) Polar RZ
(v) Polar NRZ
Draw all the waveforms.
10 M
6 (b)
Explain generation and detection of PPM, PWM.
10 M
Write short notes on:-
7 (a)
Quantization process.
5 M
7 (b)
Practical diode detector.
5 M
7 (c)
Image frequency.
5 M
7 (d)
Fidelity and double spotting of radio reciever.
5 M
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