EC25C13 Analog and Digital Communication Laboratory – Semester IV – ECE – R-2025

Subject Code & Name: EC25C13 – Analog and Digital Communication Laboratory

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.E. Electronics and Communication Engineering (ECE)

Credits / L-T-P: 2 Credits | L-T-P: 0-0-4

Course Objectives

• Demonstrate communication link architecture and technique comparison via case studies, simulations, policies, and socio-economic impact.

Full Unit-wise Syllabus

List of Experiments

• AM / FM Modulator and Demodulator
• Time Division Multiplexing
• Signal Sampling and reconstruction
• Pulse Code Modulation and Demodulation
• Delta Modulation and Demodulation
• Line coding schemes (Simulation)
• FSK, PSK and DPSK schemes (Simulation)
• Error control coding schemes (Simulation)
• Symbol Timing Synchronization
• Spread spectrum communication (Simulation)
• Communication link simulation

Tools Required

GNU Radio software, MATLAB or Equivalent S/w – 15 User License

Tasks

• T1 Design and simulate AM/FM communication systems including modulation and demodulation techniques for reliable signal transmission and reception.
• T2 Design a multiplexed communication system using Time Division Multiplexing (TDM) and analyze channel sharing efficiency.
• T3 Design and implement digital communication systems using Sampling, Pulse Code Modulation (PCM), and Delta Modulation (DM) techniques for signal transmission and reconstruction.
• T4 Design and simulate digital data transmission schemes using Line Coding, FSK, PSK, and DPSK modulation techniques, and compare their performance.
• T5 Design and evaluate a complete communication link incorporating Error Control Coding, Symbol Timing Synchronization, and Spread Spectrum Communication techniques through simulation.

Course Outcomes (COs)

• CO1: Explain fundamental concepts of control systems and model physical systems using transfer functions, block diagrams, and signal flow graphs.
• CO2: Apply time domain response, steady-state error, and system performance using standard test signals and specifications.
• CO3: Analyze system stability using Routh-Hurwitz criterion, root locus, and frequency domain techniques like Bode and Nyquist plots.
• Note: the official PDF prints these Control Systems course outcomes under EC25C13 (they appear to be copied from EC25C12); they are reproduced here exactly as printed.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 60% | End Semester Examinations 40%
• Internal methodology: Project (30%), Assignment (10%), Practical (30%), Internal Examinations (30%)

Source: Official Anna University – B.E. Electronics and Communication Engineering R-2025 Syllabus
Last Updated: October 2026