BLOCK DIAGRAM TYPICAL DIGITAL COMMUNICATION SYSTEM
CommunicationSystemsOverview - webford
To transmit analog signals over a digital communication link, we must discretize both time and values. Quantization spacing is 2m p L; sampling interval is T, not shown in ﬁgure.
(PDF) UNIT – I ELEMENTS OF DIGITAL COMMUNICATION
MODEL OF A COMMUNICATION SYSTEM Fig. 1.1: Block diagram of Communication System The three basic elements of every communication systems are 1. Transmitter, 2. Receiver and 3. Channel. The Overall purpose of this system is to transfer information from one point (called Source) to another point, the user destination.
Digital communication system - SlideShare
Aug 31, 2013Building blocks of Digital Communication System 7. Building blocks of Digital Communication System • Input source and input transducer The source of information can be analog or digital, e.g. analog: audio or video signal, digital: like teletype signal.
Digital Communication System - an overview | ScienceDirect
Block diagram of a simple Digital Communication System. A digital communication system consists of six basic blocks. The functional blocks at the transmitter are responsible for processing the input message, encoding, modulating, and transmitting over the communication channel.
Draw the basic block diagram of optical fiber
For short distance communication only main elements are required. Source- LED. Fiber- Multimode step index fiber. Detector- PIN detector. For long distance communication along with the main elements there is need for couplers, beam splitters, repeaters, optical amplifiers. Source- LASER diode. Fiber- single mode fiber. Detector- Avalanche photo diode (APD)
Communication System: Basic Elements and Its Applications
The receiver consists of a similar sequence of block diagrams. Whatever was done in the transmitter will be undone in the receiver. For example, modulation in TX will be matched by Demodulation in RX, A to D in TX will be undone by D to A in the receiver and so on. Application Areas of Communication System
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