Function of Transmitter

Function of Transmitter
The Transmitter performed the function of modulating the audio signal and rediate the same in the form of electromagnetic wave. The Transmitter performs signal processing operation and thereby it couples the input message signal to the communication channel. Transmitter functions pertaining to the signal processing are:

1. Amplifications
2. Filtering, and
3. Modulation.

Thus resultant modulated wave could be transmitted into air through antenna or transmitting aerial, which transmits these signals uniformly in all direction in the form of electro magnetic waves. In wireless communication we see that for every transmitter there are a number of receivers.
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