Basic Terminology in Electronic Communication Systems – Class 12 | Chapter – 15 | Physics Short Notes Series PDF for NEET & JEE
Basic Terminology in Electronic Communication Systems: Electronic communication systems are communication systems that use electronic devices to transmit and receive information. Electronic communication systems are used for a wide range of applications, including voice communication, data communication, and video communication. Some common examples of electronic communication systems include telephone systems, internet communication systems, satellite communication systems, and wireless communication systems.
Terminology in Electronic Communication System
Here are some common terminology in electronic communication systems:
- Bandwidth: Bandwidth refers to the range of frequencies over which a communication channel can transmit information.
- Modulation: Modulation is the process of modifying a carrier wave to carry information. There are different types of modulation, such as amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM).
- Demodulation: Demodulation is the process of extracting the original information from the modulated carrier wave at the receiver.
- Signal-to-Noise Ratio (SNR): SNR is the ratio of the power of the signal to the power of the noise in a communication channel. A higher SNR indicates a better quality of the signal.
- Bit Rate: Bit rate refers to the number of bits transmitted per second in a digital communication system.
- Latency: Latency refers to the time delay between the transmission and reception of a signal.
- Protocol: A protocol is a set of rules and procedures that governs the transmission and reception of data over a communication channel.
- Duplexing: Duplexing refers to the ability of a communication system to transmit and receive data simultaneously.
- Multiplexing: Multiplexing is the process of combining multiple signals into a single signal for transmission over a communication channel.
- Error Correction: Error correction is the process of detecting and correcting errors that occur during the transmission of data over a communication channel. It is essential for ensuring the accuracy and reliability of the transmitted information.
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