1 BASIC ELEMENTS OF COMMUNICATION SYSTEM
BASIC ELEMENTS OF COMMUNICATION SYSTEM
INFORMATION SOURCE :
- It produces message signal which we want to send.
- It converts message signal to electrical signal .(it is also called as input transducer)
TRANSMITTER :
- It converts the message signal to suitable form of propagating signal over communication channel.
- The process of conversion is possible by modulation.
- And finally sends the signal through the channel.
- The path for transmitting a signal is called channel.
- It is a medium between transmitter and receiver ( wire / wireless ),use for signal transmission.
NOISE :
- The unwanted form of signal energy is known as noise.
- It enters the communication system through channel.
- The main function of receiver is receiver the message signal from channel
- And it produces the original message signal by demodulation process.
DESTINATION :
- It is the final stage of communication system
- It converts the electrical signal to message signal .
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