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Line code

Index Line code

Some signals are more prone to error than others when conveyed over a communication channel as the physics of the communication or storage medium constrains the repertoire of signals that can be used reliably. [1]

85 relations: Analog transmission, Angle modulation, AX.25, Baseband, Baud, Bipolar encoding, Bit error rate, Bit rate, Bit slip, Broadband, Cable modem, Capacitive coupling, Coded mark inversion, Coding, Coding theory, Constant-weight code, Data compression, Data conversion, Data transmission, DC bias, Differential coding, Differential Manchester encoding, Digital signal, Digital Signal 1, Disk density, E-NRZ-L, Eight-to-fourteen modulation, Encoder, Endec, Ethernet physical layer, EtherType, Fast Ethernet, Fibre Channel, Field-programmable gate array, Ground segment, High-bit-rate digital subscriber line, Hybrid ternary code, IEEE 1355, Index of electronics articles, Interpacket gap, Keying (telecommunications), List of interface bit rates, Logic block, Manchester code, Measurement while drilling, MLT-3 encoding, Modified AMI code, Modulation, Node-to-node data transfer, Non-return-to-zero, ..., On-off keying, Overhead, Paired disparity code, Passband, PCI Express, Phase shaped binary transmission, Phase-locked loop, Physical layer, Pulse shaping, Qualcomm code-excited linear prediction, Quaternary numeral system, Rai News24, Return to Zero, Return-to-zero, Run-length limited, Scrambler, SCSI, Self-clocking signal, Slepian–Wolf coding, Spectral efficiency, Symbol rate, Ternary signal, Transmission (telecommunications), Unipolar encoding, USB, USB (Communications), USB 3.0, Wire protocol, Wire speed, 10 Gigabit Ethernet, 2B1Q, 4B3T, 4B5B, 64b/66b encoding, 8b/10b encoding. Expand index (35 more) »

Analog transmission

Analog transmission is a transmission method of conveying information using a continuous signal which varies in amplitude, phase, or some other property in proportion to that information.

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Angle modulation

Angle modulation is a class of carrier modulation that is used in telecommunications transmission systems.

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AX.25

AX.25 (Amateur X.25) is a data link layer protocol derived from the X.25 protocol suite and designed for use by amateur radio operators.

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Baseband

Baseband is a signal that has a very narrow and near-zero frequency range, i.e. a spectral magnitude that is nonzero only for frequencies in the vicinity of the origin (termed f.

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Baud

In telecommunication and electronics, baud (symbol: Bd) is a common measure of the speed of communication over a data channel.

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Bipolar encoding

In telecommunication, bipolar encoding is a type of return-to-zero (RZ) line code, where two nonzero values are used, so that the three values are +, −, and zero.

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Bit error rate

In digital transmission, the number of bit errors is the number of received bits of a data stream over a communication channel that have been altered due to noise, interference, distortion or bit synchronization errors.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Bit slip

In digital transmission, bit slip is the loss or gain of a bit or bits, caused by clock drift – variations in the respective clock rates of the transmitting and receiving devices.

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Broadband

In telecommunications, broadband is wide bandwidth data transmission which transports multiple signals and traffic types.

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Cable modem

A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC) and radio frequency over glass (RFoG) infrastructure.

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Capacitive coupling

Capacitive coupling is the transfer of energy within an electrical network or between distant networks by means of displacement current between circuit(s) nodes, induced by the electric field.

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Coded mark inversion

In telecommunication, coded mark inversion (CMI) is a non-return-to-zero (NRZ) line code.

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Coding

Coding may refer to.

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Coding theory

Coding theory is the study of the properties of codes and their respective fitness for specific applications.

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Constant-weight code

In coding theory, a constant-weight code, also called an m-of-n code, is an error detection and correction code where all codewords share the same Hamming weight.

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Data compression

In signal processing, data compression, source coding, or bit-rate reduction involves encoding information using fewer bits than the original representation.

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Data conversion

Data conversion is the conversion of computer data from one format to another.

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Data transmission

Data transmission (also data communication or digital communications) is the transfer of data (a digital bitstream or a digitized analog signal) over a point-to-point or point-to-multipoint communication channel.

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DC bias

When describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean amplitude of the waveform.

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Differential coding

In digital communications, differential coding is a technique used to provide unambiguous signal reception when using some types of modulation.

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Differential Manchester encoding

Differential Manchester encoding is a line code in which data and clock signals are combined to form a single 2-level self-synchronizing data stream.

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Digital signal

A digital signal is a signal that is being used to represent data as a sequence of discrete values; at any given time it can only take on one of a finite number of values.

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Digital Signal 1

Digital Signal 1 (DS1, sometimes DS-1) is a T-carrier signaling scheme devised by Bell Labs.

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Disk density

Disk density is a capacity designation on magnetic storage, usually floppy disks.

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E-NRZ-L

In telecommunication, an enhanced-non-return-to-zero-level (E-NRZ-L) line code is a binary code in which 1s are represented as low level and 0s are represented as high level condition with no other neutral or rest condition, similar to Non-return-to-zero; However, the major enhancement over NRZ is the addition of a parity bit (usually odd parity) to the end of the bit stream.

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Eight-to-fourteen modulation

Eight-to-fourteen modulation (EFM) is a data encoding technique – formally, a line code – used by compact discs (CD), laserdiscs (LD) and pre-Hi-MD MiniDiscs.

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Encoder

An encoder is a device, circuit, transducer, software program, algorithm or person that converts information from one format or code to another, for the purposes of standardization, speed or compression.

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Endec

In electronic communications, an endec is a device which acts as both an encoder and a decoder on a signal or data stream, either with the same or separate circuitry or algorithm.

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Ethernet physical layer

The Ethernet physical layer is the physical layer functionality of the Ethernet family of computer network standards.

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EtherType

EtherType is a two-octet field in an Ethernet frame.

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Fast Ethernet

In computer networking, Fast Ethernet is a collective term for a number of Ethernet standards that carry traffic at the nominal rate of 100 Mbit/s (the earlier Ethernet speed was 10 Mbit/s).

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Fibre Channel

Fibre Channel, or FC, is a high-speed network technology (commonly running at 1, 2, 4, 8, 16, 32, and 128 gigabit per second rates) providing in-order, lossless delivery of raw block data, primarily used to connect computer data storage to servers.

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Field-programmable gate array

A field-programmable gate array (FPGA) is an integrated circuit designed to be configured by a customer or a designer after manufacturing hence "field-programmable".

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Ground segment

A ground segment consists of all the ground-based elements of a spacecraft system used by operators and support personnel, as opposed to the space segment and user segment.

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High-bit-rate digital subscriber line

High-bit-rate digital subscriber line (HDSL) is a telecommunications protocol standardized in 1994.

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Hybrid ternary code

In telecommunications, the hybrid (H-) ternary line code is a line code that operates on a hybrid principle combining the binary non-return-to-zero-level (NRZ-L) and the polar return-to-zero (RZ) codes.

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IEEE 1355

IEEE Standard 1355-1995, IEC 14575, or ISO 14575 is a data communications standard for Heterogeneous Interconnect (HIC).

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Index of electronics articles

This is an index of articles relating to electronics and electricity or natural electricity and things that run on electricity and things that use or conduct electricity.

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Interpacket gap

In computer networking, a minimal pause may be required between network packets or network frames.

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Keying (telecommunications)

Keying is a family of modulation forms where the modulating signal takes one of a specific (predetermined) number of values at all times.

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List of interface bit rates

This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.

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Logic block

In computing, a logic block or configurable logic block (CLB) is a fundamental building block of field-programmable gate array (FPGA) technology.

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Manchester code

In telecommunication and data storage, Manchester code (also known as phase encoding, or PE) is a line code in which the encoding of each data bit is either low then high, or high then low, for equal time.

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Measurement while drilling

A drilling rig is used to create a borehole or well (also called a wellbore) in the earth's sub-surface, for example in order to extract natural resources such as gas or oil.

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MLT-3 encoding

MLT-3 encoding (Multi-Level Transmit) is a line code (a signaling method used in a telecommunication system for transmission purposes) that uses three voltage levels.

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Modified AMI code

Modified AMI codes are a digital telecommunications technique to maintain system synchronization.

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Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.

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Node-to-node data transfer

In telecommunications, node-to-node data transfer is the movement of data from one node of a network to the next.

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Non-return-to-zero

In telecommunication, a non-return-to-zero (NRZ) line code is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented by some other significant condition, usually a negative voltage, with no other neutral or rest condition.

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On-off keying

On-off keying (OOK) denotes the simplest form of amplitude-shift keying (ASK) modulation that represents digital data at the presence or absence of a carrier wave.

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Overhead

Overhead may be.

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Paired disparity code

In telecommunication, a paired disparity code is a line code in which at least one of the data characters is represented by two codewords of opposite disparity that are used in sequence so as to minimize the total disparity of a longer sequence of digits.

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Passband

A passband is the range of frequencies or wavelengths that can pass through a filter.

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PCI Express

PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X, and AGP bus standards.

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Phase shaped binary transmission

The PSBT (Phase Shaped Binary Transmission) is a type of modulation format for digital transmissions.

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Phase-locked loop

A phase-locked loop or phase lock loop abbreviated as PLL is a control system that generates an output signal whose phase is related to the phase of an input signal.

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Physical layer

In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer.

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Pulse shaping

In electronics and telecommunications, pulse shaping is the process of changing the waveform of transmitted pulses.

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Qualcomm code-excited linear prediction

Qualcomm code-excited linear prediction (QCELP), also known as Qualcomm PureVoice, is a speech codec developed in 1994 by Qualcomm to increase the speech quality of the IS-96A codec earlier used in CDMA networks.

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Quaternary numeral system

Quaternary is the base- numeral system.

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Rai News24

Rai News 24 is Italy's first non-stop news and information channel, broadcast on digital terrestrial television in Italy and via satellite around Europe and North America.

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Return to Zero

Return to Zero may refer to.

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Return-to-zero

Return-to-zero (RZ or RTZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between each pulse.

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Run-length limited

Run-length limited or RLL coding is a line coding technique that is used to send arbitrary data over a communications channel with bandwidth limits.

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Scrambler

In telecommunications, a scrambler is a device that transposes or inverts signals or otherwise encodes a message at the sender's side to make the message unintelligible at a receiver not equipped with an appropriately set descrambling device.

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SCSI

Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.

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Self-clocking signal

In telecommunications and electronics, a self-clocking signal is one that can be decoded without the need for a separate clock signal or other source of synchronization.

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Slepian–Wolf coding

In information theory and communication, the Slepian–Wolf coding, also known as the Slepian–Wolf bound, is a result in distributed source coding discovered by David Slepian and Jack Wolf in 1973.

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Spectral efficiency

Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system.

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Symbol rate

In digital communications, symbol rate, also known as baud rate and modulation rate, is the number of symbol changes, waveform changes, or signaling events, across the transmission medium per time unit using a digitally modulated signal or a line code.

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Ternary signal

In telecommunication, a ternary signal is a signal that can assume, at any given instant, one of three states or significant conditions, such as power level, phase position, pulse duration, or frequency.

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Transmission (telecommunications)

In telecommunications, transmission (abbreviations: TX, Xmit) is the process of sending and propagating an analogue or digital information signal over a physical point-to-point or point-to-multipoint transmission medium, either wired, optical fiber or wireless.

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Unipolar encoding

Unipolar encoding is a line code.

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USB

USB (abbreviation of Universal Serial Bus), is an industry standard that was developed to define cables, connectors and protocols for connection, communication, and power supply between personal computers and their peripheral devices.

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USB (Communications)

This article provides information about the communications aspects of Universal Serial Bus, USB: Signaling, Protocols, Transactions.

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USB 3.0

USB 3.0 is the third major version of the Universal Serial Bus (USB) standard for interfacing computers and electronic devices.

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Wire protocol

In computer networking, a wire protocol refers to a way of getting data from point to point: A wire protocol is needed if more than one application has to interoperate.

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Wire speed

In computer networking, wire speed or wirespeed refers to the hypothetical peak physical layer net bitrate (useful information rate) of a cable (consisting of fiber-optical wires or copper wires) combined with a certain digital communication device, interface, or port.

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10 Gigabit Ethernet

10 Gigabit Ethernet (10GE, 10GbE, or 10 GigE) is a group of computer networking technologies for transmitting Ethernet frames at a rate of 10 gigabits per second.

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2B1Q

Two-binary, one-quaternary (2B1Q) is a line code used in the U interface of the Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) and the high-bit-rate digital subscriber line (HDSL).

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4B3T

4B3T, which stands for 4 (four) Binary 3 (three) Ternary, is a line encoding scheme used for ISDN PRI interface.

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4B5B

In telecommunication, 4B5B is a form of data communications line code.

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64b/66b encoding

In data networking and transmission, 64b/66b is a line code that transforms 64-bit data to 66-bit line code to provide enough state changes to allow reasonable clock recovery and alignment of the data stream at the receiver.

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8b/10b encoding

In telecommunications, 8b/10b is a line code that maps 8-bit words to 10-bit symbols to achieve DC-balance and bounded disparity, and yet provide enough state changes to allow reasonable clock recovery.

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Redirects here:

Baseband modulation, Baseband transmission, Digital baseband modulation, Encoding scheme, Line Code, Line coding, Line encoding.

References

[1] https://en.wikipedia.org/wiki/Line_code

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