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Consumer Electronics by S. P. Bali

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TELECOMMUNICATION SYSTEMS

In a line communication system, the electronic signal is passed to the destination by a wire or cable link, with the the energy travelling at a speed of upto 60% that of light, depending on the type of line. At the destination, a second transducer converts the electronic signal back to its original form. Amplifiers may be inserted to increase the power level of signals to compensate for losses encountered. This is shown in Fig. 37.1.

 

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Fig. 37.1 Basic requirements of a one-way line communication channel

 

For a wireless communication system, a transmitter is required at the source to send the signal over the radio ...

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