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Amplitude Modulation
Chapter Name : Communication Systems
Sub Topic Code : 101_12_15_08_01
Topic Name : Amplitude Modulation
Sub Topic Name : Amplitude Modulation
Introduction

Objective measurement of the degree of change (positive or negative) in atmospheric pressure (the compression and rarefaction of air molecules) caused by sound waves.

Pre-Requisites:

Amplitude

Activity:

"AM" is often used to refer to the medium wave broadcast band (see AM radio).

Real Life Question:

What are the applications of Amplitude modulation?

Key Words / FlashCards
Key Words Definitions (pref. in our own words)
Amplitude Objective measurement of the degree of change (positive or negative) in atmospheric pressure (the compression and rarefaction of air molecules) caused by sound waves.
Learning aids / Gadgets
Gadgets How it can be used
Radio Changes in signal strength may be used to specify the sounds to be reproduced by a change in signal strength may be used to specify the sounds to be reproduced by a loudspeaker.
Real life uses :

Communication.

Places to visit :

Television set, Radio set, etc.

Practical examples around us
Examples Explainations
Radio Properties of waves can be observed.
What you learn in Theory:

Wave particles exhibit dual properties. Technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

What you learn in Practice:

It was also the original method used for audio radio transmissions.

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