Some examples of communication system include radio broadcasting, television broadcasting, radio telegraphy, mobile communication, computer communication etc. Message. Figure 1 is a block diagram of a communication system. A transducer is a device which converts one form of energy or signal into another form of energy or signal. This is a strictly moderated site. This Article gives an Overview of What is a Telecommunication System, Basic Elements like Transmitter, Communication Channel, Receiver, and its Applications Some examples of wired channels include co-axial cables, fiber optic cables, and twisted pair telephone lines. Transmitter (information source) that takes information and converts it to a signal for transmission. Electronic communications is the transmission, reception, and processing of information between two or more locations with the use of electronic circuits. Some exceptional characteristic features of this type of communication system like large bandwidth, smaller diameter, light weight, long distance signal transmission, low attenuation, transmission security, and so on make this communication a major building block in any telecommunication infrastructure. This reduction in signal strength is mainly caused by the addition of external noise, physical surroundings, and travel distance. As mentioned before, the purpose of a communication system is totransmit intelligence signal from a source to a destination at some pointaway from the source. The destination is the final stage in the communication system. Transmission Medium 5. 2. This information originates in the information source. There are three main basic elements of a fiber optic communication system. The noise signal (unwanted signal) degrades the transmitted signal (signal containing information). The loudspeaker converts the electrical signals into sound signals which are easily understandable by the humans at the destination. Sender: Feedback. - Communicator is the sender, speaker, issuer or writer, who intends to express or send out a message. Write detailed comment, relevant to the topic. Modulation is the main function of a transmitter. Block Diagram of Communication System. Once you have successfully converted it into electrical signals then data compression technique is used which will compress data packets into single package so that it can be easily transmitted over the transmission lines because data compression reduces the size of the data packets to be transmitted.TransmitterThe source generated electrical signals are then used by the transmitter after refining them and removes the noise and distortion there in it and makes signal in form that can be easily amplified, for the purpose of amplification in transmitter circuit we uses the digital modulator that converts sequence into electrical signals so that it can be easily transmitted over long distance. TV set receives the signals sent by the TV transmitting stations and converts the signal into a form which is easily understandable by the humans who are watching TV. They are. A. It may consist of text, numbers, images, sound, video etc. Moreover, in order to provide safe and faster communication we make use of various stages of different elements which is discussed in the article given below. ©. The Receiver. History of Wireless Communication; C. Energy Conservation in Communication The system performance for various M-ary communication systems is evaluated in Section 4.4. In analog communication the signal is continuous while in digital communication the signal is discrete. The communication process begins with the sender, who is also called the communicator or source. As can be seen in the figure,The communication system is composed of basic three elements :TransmitterCommunication ChannelReceiver. Multiplexing - Definition - Types of Multiplexing:…, Modulation - Definition - Need for Modulation -…. This system consists three basic components: transmitter, channel, andreceiver. The transducer that is present at the output side of the communication system is called output transducer. Computer, telephone/Fax machine etc. The sender or the communicator generates the message and conveys it to the receiver. For example- the microphone which we use in seminars and presentations converts message information into sound waves which is electrical in nature. The transducer is present at the input side and output side of the communication system. sender, message, and receiver. Basic Elements Of A Telecommunication System. Noise is an unwanted signal that enters the communication system via the communication channel and interferes with the transmitted signal. Do not include your name, "with regards" etc in the comment. Generally, the output transducer converts the electrical signal into a non-electrical signal (sound signal, light signal, or both sound and light signal). Information or input signal. The device which is used to convert this sound signal into another form of signal is called transducer. The message is the data or information that is to be transmitted i.e. The Medium. No HTML formatting and links to other web sites are allowed. The communication channel is a wired or wireless medium that connects the transmitter and receiver for sending the signal. Communications is a continuous process which mainly involves three elements viz. The communication systems have been developed for communicating useful information from one place to other. Thus the signal received by the receiver is very weak. 3. A device used for sending data or messages is called sender. TV set is a good example of a receiver. The communication channel is a medium through which the signal travels. MODULATION The communication system consist of information transmission from one point to another such that original information signal is passes through various stages and then undergoes so many changes in its orientation and shape because of noise and attenuation. 3 Basic Elements of a Fiber Optic Communication System. Generally, humans at some place are considered as the destination. The Channel connects the transmitter and the receiver. Components of communication system processThe communication system basically deals with the transmission of information from one point to another using the well defined steps which are carried out in sequential manner. The basic elements of data communication system are as follows: 1. Set of rules (Protocol) All above mentioned elements are described below: Figure – Components of Data Communication System. Although channel provides a way for communication, it has one drawback. Sender 3. Feb 22, 2021 - Elements of a Communication System Class 12 Notes | EduRev is made by best teachers of Class 12. https://www.directutor.com/content/five-components-communication-model A destination is a place where humans consume the information. The receiver is a device that receives the signal (electrical signal) from the channel and converts the signal (electrical signal) back to its original form (light and sound) which is understandable by humans at the destination. We believe in providing quality content to our readers. Two or more people communicating with each other by using sound signals is also known as the communication system. If you have any questions or concerns regarding any content published here, feel free to contact us using the Contact link below. The source is the person (or thing) attempting to share information. i.e. 1. If you want to talk (communicate) with your friend who is sitting beside you, then you can directly talk with him by using voice signals (sound signals). The essential operations in the PCM transmitter are sampling, quantizing and encoding . Explain basic block diagram of communication system in detail. How well such systems perform depends partly on the channel characteristics. The information can be in the form of sound signal … Components or Elements of a Data Communication: There are five elements of a data communication system:-Message; Sender; Receiver; Medium (Communication Channel) Encoder & Decoder; Message: The message is the information or data that is communicated. The elements involved in the communication process are explained below in detail: 1. The Sender. It can be in the form of The basic components of a communication system are information source, input transducer, transmitter, communication channel, receiver, output transducer, and destination. Firstly, the source of data code is generated either in numeric form or in character form such that it should be in encrypted manner that does not provide information access to unknown or unauthorized user, this unit uses the specialized tools and utilities for the generation of messages which is to be transmitted over the communication channel such that the signal can either be analog or digital in nature and it is converted from one form to another according to the compatibility of transmission medium that represents the signal nature. For example- In the wire telephony system, the modulation is used for the enhancement of the signal strength without the loss of the original data because using the ordinary antenna's it is not possible to reduce the noise and distortion during transmission of data signal.Communication channelThe physical medium which is used for the transmission of communication data signals from sender to receiver is referred as communication channel and we can also say that it is the platform that allows the sending and receiving of the data packets using the well established path between two machines that can either be wire oriented or wireless such that both types of connections are supported by the point to point and broadcast channel, the various communication channels are used in it for the data transmission that depends on the type of the network topology and circuit which we are using. Let us consider that input source signal is non- electrical in nature then you have to first convert these signals in time varying electrical signal. To compensate this signal loss, amplifiers (the device that amplifies the signal strength) are used at both the transmitter and the receiver side. The definitions of the terms used in the communication system are discussed below. The physical medium which is used for the transmission of communication data signals from sender to receiver is referred as communication channel and we can also say that it is the platform that allows the sending and receiving of the data packets using the well established path between two machines that can either be wire oriented or wireless such that both types of connections are supported by the point to point and broadcast channel, the various communication … Sender/Transmitter. The basic components of electronic communications system are the transmitter, communications channel or medium, receiver, and noise. Information Source As we know that the communication system establishes the communication bridge between the sender (transmitter) and receiver. In order to send the signals to larger distances, without the effect of any external interferences or noise addition and without getting faded away, it has to undergo a process called modulation. The low pass filter prior to sampling prevents aliasing of the message signal. The transmitter is located at one place, the receiver is located at some other place (far or near) separate from the transmitter, while the channel is the physical medium that connects them. To establish this communication bridge between the sender and receiver, first, we need an information to send. 1. The transmitter converts the information into signals suitable for the communication channel.While the signals propagate through the channel, noise signals arise. The source can be a living or non-living entity. The transmitter is a device which converts the signal produced by the source into a form that is suitable for transmission over a given channel or medium. Communication channels are divided into two categories: wired and wireless. Communication is the process of transfer of information from sender to receiver. The basic components of communication systems are transmitter, a communication channel or medium, and a receiver. So in order to overcome this problem and transmit information to larger distances, first we need to convert this sound signal into another form of signal (electrical signal or light signal) which travel larger distances. Thus the resulted signal overcomes the various effects which make it to become weak. Class 12: Physics: Communication Systems: Elements of a Communication System Fig.1 shows the block diagram of a general communication system, in which the different functional elements are represented by blocks. - Communicatee is the receiver of the message for whom the communication is meant. He is the source and the one who starts the communication. Basic Elements of PCM The transmitter section of a Pulse Code Modulator circuit consists of Sampling, Quantizing and Encoding, which are performed in the analog-to-digital converter section. Moreover, the data source which is generated using the encoder has filter component that refines the data packets and removes data redundancy using the normalization technique.Input Transducer As you know that basic work of the transducer is to convert one form of energy into another form that can be electrical in nature. The system for data transmission makes use of the sender and destination address, In this other so many elements are also there that allows it to transfer data from one set of point to another set of point after dividing the elements of communication system in groups and these interface elements acts as the main component for data communication and all these interface elements are given below-Information sourceThe communication system which we are using is act as the main communication source for data transmission between two machines. Communication Systems. This document is highly rated by … Actually, the transmitter and the receiver may be located geographically at different places. Message 2. When we send the signal to larger distances, it undergoes various circumstances which makes the signal weak. Equipment consists of a transmitter, which encodes a message into an optical signal, a communication channel, which carries the signal to its destination, and a receiver, which reproduces the message from the received optical signal. The 9 elements of communication (Context, Sender, Encoder, Message, Channel, Decoder, Receiver, Feedback, and Noise) are necessary tools or … A microphone is a device which converts your voice signals (sound signals) into electrical signals. But if the same friend is farther away from you, then you can’t directly communicate with him by using voice signals (sound signals) because sound signals cannot travel larger distances. The communication channel is a wired or wireless medium that is used to send the signal from the source  (transmitter) to the destination (receiver). The communication channel reduces the signal strength (attenuates the signal) that carries the information. Digital Marketing by SpiderWorks Technologies, Kochi - India. Modulation increases the strength of a signal without changing the parameters of the original signal. Types of Basic Communication System: There are two basic modes of communication System: Point-to-Point and Broadcast. Overview of Communication Systems In this chapter, we will study that every communication system has three essential elements irrespective of its nature- transmitter, medium/channel, and receiver. Compact Light Source; Low loss Optical Fiber; Photo Detector; Accessories like connectors, switches, couplers, multiplexing devices, amplifiers, and splices are also essential elements in this communication system. The communication system is a device used in the transmission of information/data from one place to another. If playback doesn't begin shortly, try restarting your device. … Concept of Wireless Communications. Therefore, elements of communication are very important and interconnected parts of the communication process. Examples of wireless channels are air, water, and vacuum. Primarily communication system consists of three main parts: i) a transmitter ii) a communication channel and iii) a receiver. In electronics and telecommunications a transmitter or radio transmitter is an electronic device which, with the aid of an antenna, produces radio waves. Information Message or information is the entity that is to be transmitted. Elements of Communication system Transmission systems can be evaluated according to five (5) main criteria: Capacity Performance Distance Security Cost which include installation, operation and maintenance 8. As we know that the communication system establishes the communication bridge between the sender (transmitter) and receiver. A typical Wireless Communication System can be divided into three elements: the Figure shows a basic structure of a communication system. For example, if you are watching TV, you are considered as the destination. For example, if you are talking with your friend on a phone, you are considered as the information source who generates information in the form of sound. The message is the part of a communication which involves sending information from source to destination. A PCM system consists of a PCM encoder (transmitter ) and a PCM decoder (receiver ) . BASIC COMMUNICATIONS SYSTEM. Sender. The information generated by the source may be in the form of sound (human speech), picture (image source), words (plain text in some particular language such as English, French, German etc.). The nature of communication may be electrical, electronic or optical etc. The best example of an input transducer is the microphone which is placed between the information source and the transmitter section. A collection of elements (devices) which works together to establish a communication between the sender and receiver is called a communication system. 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