Modulation and Demodulation

Classification of Communication

Electronics Engineering, Modulation and Demodulation

Classification of Communication: There are two basic classification of communication systems, baseband systems and passband systems. In baseband systems, the signal is transmitted without modifying the frequency content. A simple intercom is an example of this approach. Here, a microphone senses the input or message signal, and injects the resulting signal into a cable or …

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Basic Block Diagram of Communication System

Electronics Engineering, Modulation and Demodulation

Basic Block Diagram of Communication System: The Basic Block Diagram of Communication System is shown in Fig. 22.1. The essential components of a communication system are information source, input transducer, transmitter, communication channel, receiver and destination. As already mentioned above, a communication system serves to communicate a message or information. This message or information originates …

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