JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

ANALOG AND DIGITAL COMMUNICATIONS LABARATORY

B.Tech II Year II Semester (R22)

Note:

  • Minimum 12 experiments should be conducted:
  • All these experiments are to be simulated first either using MATLAB, COMSIM or any other simulation package and then to be realized in hardware

Course Outcomes

Upon completing this course, the student able to:

  • 1. Design and implement various Analog modulation and demodulation Techniques and observe the time and frequency domain characteristics
  • 2. Design and implement various Pulse modulation and demodulation Techniques and observe the time and frequency domain characteristics
  • 3. Apply different types of Sampling with various Sampling rates and duty Cycles
  • 4. Design and implement various Digital modulation and demodulation Techniques and observe the waveforms of these modulated Signals practically Course PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12 CO1 1 - 3 1 2 2 - 2 3 2 - 1 CO2 1 - 3 1 2 2 - 2 3 2 - 1 CO3 1 - 3 1 2 2 - 2 3 2 - 1 CO4 1 - 3 1 2 2 - 2 3 2 - 1

List of Experiments:

  • 1. (i) Amplitude modulation and demodulation (ii) Spectrum analysis of AM
  • 2. (i) Frequency modulation and demodulation (ii) Spectrum analysis of FM
  • 3. DSB-SC Modulator & Detector
  • 4. SSB-SC Modulator & Detector (Phase Shift Method)
  • 5. Frequency Division Multiplexing & De multiplexing
  • 6. Pulse Amplitude Modulation & Demodulation
  • 7. Pulse Width Modulation & Demodulation
  • 8. Pulse Position Modulation & Demodulation
  • 9. PCM Generation and Detection
  • 10. Delta Modulation
  • 11. DPCM Generation and Detection
  • 12. Frequency Shift Keying: Generation and Detection
  • 13. Binary Phase Shift Keying: Generation and Detection
  • 14. Generation and Detection (i) DPSK (ii) QPSK
  • 15. Generate FSK modulated signal using PLL *Prove practically the Figure of Merit of DSB-SC is unity for single tone modulation Major Equipment required for Laboratories:
  • 1. CROs: 20MHz
  • 2. Function Generators: 2MHz
  • 3. Spectrum Analyzer
  • 4. Regulated Power Supplies: 0-30V
  • 5. MAT Lab/Equivalent Simulation Package with Communication tool box

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