Engineering Tutorials

EEC-659 : ANALOG AND DIGITAL COMMUNICATION LAB

Note: The minimum 10 experiments are to be performed from the following:

1. To study amplitude modulation using a transistor and determine depth of modulation.

2. To study generation of DSB-SC signal using balanced modulator.

3. To study generation of SSB signal

4. To study envelope detector for demodulation of AM signal and observe diagonal peak clipping effect.

5. To study super heterodyne AM receiver and measurement of sensitivity, selectivity and fidelity.

6. To study frequency modulation using voltage controlled oscillator.

7. To detect FM signal using Phase Locked Loop.

8. To measure noise figure using a noise generator.

9. To study PAM, PWM and PPM.

10. To realize PCM signal using ADC and reconstruction using DAC and 4 bit/8bit system. Observe

quantization noise in each case.

11. To study Delta Modulation and Adaptive Delta Modulation.

12. To study PSK-modulation system.

13. To study FSK-modulation system.

14. To study sampling through a Sample-Hold circuit and reconstruction of the sampled signal and observe

the effect of sampling rate & the width of the sampling pulses.

15. To study functioning of colour television

16. Fabricate and test a PRBS generator

17. Realization of data in different forms, such as MRZ-L,NRZ – M&N,NRZ-S.

18. Manchester coding & decoding (Biphase L) of NRZ-L data.

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