Aperçu des sections
-
-
Course Instructor: Dr Abdelhalim Rabehi
Contact details: a.rabehi@univ-djelfa.dz
Teaching Unit: UEF 3.1.1
Total Hours (VHS): 67h30 (Lectures: 3h00, Tutorials: 1h30) -
Chapter 1: Basic Concepts in Radio Frequency
Chapter 2: Components of a Transmission Chain
Chapter 3: Amplitude Modulation (AM)
Chapter 4: Angular Modulation and Demodulation (FM and PM)
Chapter 5: Performance of Various Modulations in the Presence of Noise
Chapter 6: Superheterodyne Receivers
Bibliography
-
1.1 Introduction
1.2 General Overview of a Telecommunication System
1.3 Signals Used in Radiocommunication
1.3.1 What is a Signal?
1.3.2 Classification of Signals
1.3.3 Signals Used in Radiocommunication
1.3.4 Spectral Representation
1.3.6 Power and dBmThis chapter presents the fundamental concepts used in the field of radio communications. These important notions must be properly understood before studying and designing efficient systems.
-
Chapter 2: Components of a Transmission Chain
2.1 Introduction
2.2 Filters
2.2.1 Classification of Filters
2.2.2 Filter Implementation
2.2.3 Insertion Loss
2.3 Mixers
2.3.1 Ideal Mixer
2.3.2 Real Mixers
2.3.3 Applications of Real Mixers
2.4 Amplifiers
2.4.1 Overview of Amplifiers
2.4.2 Amplifier Characteristics
2.4.3 Examples of Amplifiers
2.5 Oscillators
2.5.1 Principle
2.5.2 Wien Bridge Oscillator
2.5.3 Phase-Shift Oscillator
2.5.4 Colpitts OscillatorThe purpose of this chapter is to study the following elements of the transmission chain: filters, mixers, amplifiers, and oscillators.
-
Chapter 3: Amplitude Modulation (AM)
3.1 Definition of Terms
3.1.1 Baseband
3.1.2 Signal Spectrum
3.1.3 Channel Bandwidth
3.2 Purpose of Modulation
3.3 Amplitude Modulation (AM)
3.3.1 AM Signal in the Time Domain
3.3.2 Frequency Representation of an AM Signal
3.3.3 Power Calculation of an AM Signal
3.3.4 Generation of a Double-Balanced AM Signal (DBAP)
3.4 Double Sideband Amplitude Modulation (DSB-AM)
3.4.1 Time Domain Representation of DSB-AM
3.4.2 Frequency Spectrum of DSB-AM
3.4.3 Generation of DSB-AM Signal
3.5 Single Sideband Amplitude Modulation (SSB-AM)
3.5.1 Generation by Band-Pass Filtering
3.5.2 Generation Using a Phase-Shift Network
3.6 Demodulation of an AM Signal
3.6.1 Non-Coherent Demodulation (Envelope Detection)
3.6.2 Coherent (Synchronous) Demodulation
3.7 Demodulation of DSB-AM
3.8 Demodulation of SSB-AM
-
Chapter 4: Angular Modulation and Demodulation (FM and PM)
4.1 Introduction
4.2 Principle of Frequency Modulation (FM)
4.3 Time Domain Representation of FM
4.4 Frequency Domain Representation of FM
4.4.1 Narrowband FM Spectrum
4.4.2 Wideband FM Spectrum
4.5 Useful Spectral Occupancy of FM
4.6 Generation of an FM Signal
4.6.1 Direct Method
4.6.2 Indirect Method (Armstrong Modulator)
4.7 Frequency Demodulation
4.7.1 Discriminator
4.7.2 FM Demodulation by Phase-Locked Loop (PLL)
4.8 Phase Modulation (PM)
4.8.1 Principle
4.8.2 Generation of a PM Signal
4.8.3 Spectral Occupancy of PM Signal
4.9 Demodulation of a PM Signal
-
Chapter 5: Performance of Various Modulations in the Presence of Noise
5.1 Introduction
5.2 Additive Noise and Signal-to-Noise Ratio (SNR)
5.3 Noise in Baseband Links
5.4 Noise in Amplitude Modulation
5.4.1 Synchronous Detection
5.5 Noise in Angular Modulation
-
Chapter 6: Superheterodyne Receivers
6.1 Introduction
6.2 Frequency Conversion
6.3 Principle of the Superheterodyne Receiver
6.3.1 Basic Principle
6.3.2 The Mixer
6.3.3 Intermediate Frequency Stage (IF)
6.4 Image Frequency
6.5 Final Block Diagram
-
- Simon Haykin – Communication
Systems
A classic reference covering analog modulation (AM, FM, PM), noise analysis, and system modeling.
📖 Publisher: Wiley
🔗 https://www.wiley.com/en-us/Communication+Systems%2C+5th+Edition-p-9780471697909 - B. P. Lathi & Zhi Ding – Modern
Digital and Analog Communication Systems
Strong theoretical treatment of analog communication with signals and systems background.
📖 Publisher: Oxford University Press
🔗 https://global.oup.com/academic/product/modern-digital-and-analog-communication-systems-9780195331455 - Herbert Taub, Donald Schilling
– Principles of Communication Systems
Fundamental book focusing on analog communication principles and modulation techniques.
📖 Publisher: McGraw-Hill
🔗 https://www.mheducation.com/highered/product/principles-communication-systems-taub/M9780070669821.html - Kennedy & Davis – Electronic
Communication Systems
Excellent balance between theory and practical analog communication circuits.
📖 Publisher: McGraw-Hill
🔗 https://www.mheducation.com/highered/product/electronic-communication-systems-kennedy/M9780073380402.html - Hsu, H. P. (1994). Analog and Digital Communications: Course and Problems. McGraw-Hill.
- Simon Haykin – Communication
Systems