Modulation

Modulation

Open Ended

1) What are the different ways to transfer information?

Open Ended

2) What are the different parts in communication system?

There are different ways to transfer information (verbal, non-verbal). 

In every communication system, there should be a transmitter, channel, and receiver.

Identify the transmitter, channel and receiver in this demonstration.

Modulation

•define and identify the elements of communication system 

•define modulation and explain how to modulate a carrier wave 

•distinguish between amplitude modulation (AM) and frequency modulation (FM);

What is Communication System?

• System which enables the act of information transmission.

Multiple Choice

Transmitter

• source of information / converts the message signal from source into a form suitable for transmission

• used to transmit information

• medium that connects receiver and transmitter

• recipient of information

Multiple Select

Channel/Carrier

• medium that connects receiver and transmitter

• used to transmit information (wire, sound waves, radio waves)

• recipient of information

• source of information

Multiple Select

Receiver

• recipient of information

• Receives the signal from channel and reconstructs it to a recognizable form to the user

• converts the message signal from source into a form suitable for transmission

• used to transmit information