Question

Write the functions of the following in communication systems:
i) Receiver
ii) Demodulator

Answer 1

Receiver and demodulator are very crucial elements in communication systems. Their functions are
i) Receiver : The receiver functions on the received signal collected from transmitted signal at the channel output and reproduce the original message signal for sending.
ii) Demodulator: A demodulator demodulates the modulated signal, it differentiates the small frequency message signal that has been superimposed on big frequency carrier wave and extract the information from the carrier wave at the receiver.