Question

Write the functions of the following in communication systems :

(i) Receiver

(ii) Demodulator

Answer 1

(i) Receiver : This device picks up the modulated signal, demodulates it, boosts it up by using an amplifier and finally gives out the message.

(ii) Demodulator : Demodulator is a device which recovers(demodulates) the original information signal from the modulated wave at the receiver end.