Communication Systems Class 12 Notes

A communications device is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device. One type of communications device that connects a communications channel to a sending or receiving device such as a com puter is a modem. Know More about these in Communication Systems Class 12 Notes.

The topics and sub-topics covered in Communication Systems Class 12 Notes are:

15.1 Introduction

15.2 Elements of A Communication System

15.3 Basic Terminology Used In Electronic Communication Systems

15.4 Bandwidth of Signals

15.5 Bandwidth of Transmission Medium

15.6 Propagation of Electromagnetic Waves

15.6.1 Ground wave

15.6.2 Sky waves

15.6.3 Space wave

15.7 Modulation and Its Necessity

15.7.1 Size of the antenna or aerial

15.7.2 Effective power radiated by an antenna

15.7.3 Mixing up of signals from different transmitters

15.8 Amplitude Modulation

15.9 Production of Amplitude Modulated Wave

15.10 Detection of Amplitude Modulated Wave.