Lecture Slides for Basic Electronics and Communication Engineering (21ELN14/21ELN24) – Analog and Digital Communication (Module 4) for VTU Students

Contents

Analog and Digital Communication – Modern Communication System Scheme, Information Source and Input Transducer, Transmitter, Channel or Medium – Hardwired and Softwired, Noise, Receiver, Multiplexing, Types of Communication Systems.
Types of Modulation (only concepts) – AM, FM, Phase Modulation, Pulse Modulation, PAM, PWM, PPM, PCM.
Concept of Radio Wave Propagation (Ground, Space, Sky).
Concepts of Sampling Theorem, Nyquist Rate, Digital Modulation Schemes – ASK, FSK, PSK.
Radio Signal Transmission
Multiple Access Techniques
Multipath and Fading
Error Management
Antenna, Types of Antennas – (only definition and antenna model, exclude radiation patterns).