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Mar’24 month certification
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SE IT SEM 3 – PRINCIPLES OF COMMUNICATION

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Module 1 – Introduction 6 Topics

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Lesson Content

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Pre-requisite 1 – Terminologies in communication systems

Pre-requisite 2 – Analog and digital electronics

1.1 Basics of analog communication and digital communication systems (Block diagram)

1.2 Electromagnetic Spectrum and application

1.3 Types of Communication channels

1.4.a Difference between Analog and Digital Communication. List the examples

Module 2 – Noise & Fourier Representation Of Signal & System 5 Topics

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2.1 Basics of signal representation and analyses

2.2 Introduction to Fourier Transform

2.2.a Its properties (time and frequency shifting), B. Fourier transform of unit step, C. Delta and gate function

2.3 Types of Noise

2.4 Noise parameters A.Signal to noise ratio B.Noise factor C.Noise figure D.Friss formula E.Equivalent noise temperature

Module 3 – Amplitude & Angle Modulation Techniques 20 Topics

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3.1 Need for modulation

3.2 Amplitude Modulation Techniques

3.2. A.DSBFC-AM B.DSBSC-AM C.SSB SC AM- block diagram spectrum

3.2 D.Waveforms E.Bandwidth

3.2.F Power calculations

3.3 Generation of AM using Diode

3.4 Generation of DSB using Balanced modulator

3.5 Generation of SSB using Phase Shift Method

3.6 AM Transmitter (Block Diagram)

3.7.a Block diagram of TRF receivers

3.7.b Super heterodyne receiver and its characteristics 1.Sensitivity 2.Selectivity 3.Fidelity 4.Image frequency and its rejection 5.double spotting

3.8 Angle Modulation

3.8.a FM: Principle of FM-waveforms, spectrum, bandwidth

3.8.b Pre- emphasis and de-emphasis in FM

3.9.1.a FM generation: Indirect method (Armstrong method) block diagram and waveforms

3.9.2.a FM demodulator: Foster Seeley discriminator

3.9.2.b FM demodulator : Ratio detector

3.10.1 Define AM and FM

3.10.2 Differentiate between FM and AM

3.10.3 List examples of FM and AM

Module 4 – Pulse Analog Modulation & Digital Modulation 10 Topics

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4.1 Sampling theorem for low pass and band pass signals with proof

4.2 Anti- aliasing filter

4.4 PWM and PPM generation and Degeneration

4.5 Quantization process

4.6 Pulse code modulation

4.7 Delta modulation

4.8 Adaptive delta modulation

4.9 Introduction to Line Codes and ISI

4.10 Implementation of Pulse code modulation and demodulation

Module 5 – Multiplexing & Digital Band Pass Modulation Techniques 10 Topics

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5.1 Principle of Time Division Multiplexing

5.2 Frequency Division Multiplexing

5.3 Orthogonal Frequency Division Multiplexing and its applications

5.8.1 Implement TDM

Module 6 – Radiation & Propagation Of Waves 6 Topics

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6.1 Electromagnetic radiation

6.2 Fundamentals

6.3 Types of propagation

6.4 Ground wave

6.6 Space wave tropospheric scatter propagation

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