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Electromagnetic compatibility

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Electromagnetic compatibility (EMC) is the branch of electrical engineering concerned with the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage in operational equipment. [1]

109 relations: Aeroflex, Anritsu, Audio power amplifier, Biconical antenna, Big Bang, British Standards, Broadcasting, Capacitive coupling, Capacitor, CE marking, Choke (electronics), Circuit breaker, CISPR, Code-division multiple access, Computational electromagnetics, Consumer electronics, Coupling (physics), Current clamp, Damped sine wave, Decoupling (electronics), Dipole antenna, Direct coupling, Discovery of cosmic microwave background radiation, DO-160, Elastomer, Electric current, Electric field, Electric motor, Electric power transmission, Electric spark, Electrical conductor, Electricity generation, Electromagnetic induction, Electromagnetic interference, Electromagnetic pulse, Electromagnetic radiation, Electromagnetic reverberation chamber, Electromagnetic shielding, Electronic hardware, Electrostatic discharge, EMC problem (excessive field strength), EMC-aware programming, Emission-aware programming, Error detection and correction, ESD simulator, ETSI, European Committee for Electrotechnical Standardization, European Committee for Standardization, European Union, European Union law, ..., Federal Communications Commission, FM broadcasting, Fuse (electrical), GTEM cell, Harmonic, Harmonization, Hewlett-Packard, IEEE Electromagnetic Compatibility Society, Immunity-aware programming, Inductive coupling, International Commission on Non-Ionizing Radiation Protection, International Electrotechnical Commission, International Organization for Standardization, Keysight, Lightning, Lightning rod, Lightning strike, Line filter, Line Impedance Stabilization Network, List of common EMC test standards, Log-periodic antenna, Loudspeaker, Magnetic field, Microcontroller, Microwave oven, MIL-STD-461, MILMEGA, Mobile telephony, National Instruments, Noise (electronics), Nuclear electromagnetic pulse, Oscilloscope, Piezo ignition, Printed circuit board, Radar, Radio receiver, Radio Technical Commission for Aeronautics, RC circuit, Rohde & Schwarz, S-Video, SAE International, Short circuit, Solar cycle, Spark gap, Spectrum analyzer, Spread spectrum, Switch, Tektronix, Television interference, Teseq, Transformer, Transient (oscillation), Transmission line, VDE e.V., Voltage, Voltage spike, Wavelength, Würth, Wi-Fi. Expand index (59 more) »


Aeroflex Inc. was an American company which produced test equipment, RF and microwave integrated circuits, components and systems used for wireless communications.

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is a Japanese multinational corporation in the telecommunications electronics equipment market.

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Audio power amplifier

An audio power amplifier (or power amp) is an electronic amplifier that reproduces low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup at a level that is strong enough for driving (or powering) loudspeakers or headphones.

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Biconical antenna

In radio systems, a biconical antenna is a broad-bandwidth antenna made of two roughly conical conductive objects, nearly touching at their points.

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Big Bang

The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.

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British Standards

British Standards (BS) are the standards produced by the BSI Group which is incorporated under a Royal Charter (and which is formally designated as the National Standards Body (NSB) for the UK).

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Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model.

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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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A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.

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CE marking

CE marking is a certification mark that indicates conformity with health, safety, and environmental protection standards for products sold within the European Economic Area (EEA).

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Choke (electronics)

In electronics, a choke is an inductor used to block higher-frequency alternating current (AC) in an electrical circuit, while passing lower-frequency or direct current (DC).

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Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Circuit breaker

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.

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The Comité International Spécial des Perturbations Radioélectriques (CISPR; International Special Committee on Radio Interference) was founded in 1934 to set standards for controlling electromagnetic interference in electrical and electronic devices, and is a part of the International Electrotechnical Commission (IEC).

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Code-division multiple access

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.

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Computational electromagnetics

Computational electromagnetics, computational electrodynamics or electromagnetic modeling is the process of modeling the interaction of electromagnetic fields with physical objects and the environment.

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Consumer electronics

Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.

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Coupling (physics)

In physics, two objects are said to be coupled when they are interacting with each other.

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Current clamp

In electrical and electronic engineering, a current clamp or current probe is an electrical device with jaws which open to allow clamping around an electrical conductor.

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Damped sine wave

A damped sine wave is a sinusoidal function whose amplitude approaches zero as time increases.

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Decoupling (electronics)

In electronics, decoupling is the prevention of undesired coupling between subsystems.

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Dipole antenna

In radio and telecommunications a dipole antenna or doublet is the simplest and most widely used class of antenna.

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Direct coupling

In electronics, direct coupling or DC coupling (also called conductive coupling) is the transfer of electrical energy by means of physical contact via a conductive medium, in contrast to inductive coupling and capacitive coupling.

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Discovery of cosmic microwave background radiation

The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology.

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DO-160, Environmental Conditions and Test Procedures for Airborne Equipment is a standard for the environmental testing of avionics hardware.

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An elastomer is a polymer with viscoelasticity (i. e., both viscosity and elasticity) and very weak intermolecular forces, and generally low Young's modulus and high failure strain compared with other materials.

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Electric current

An electric current is a flow of electric charge.

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Electric field

An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.

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Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

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Electric power transmission

Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.

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Electric spark

An electric spark is an abrupt electrical discharge that occurs when a sufficiently high electric field creates an ionized, electrically conductive channel through a normally-insulating medium, often air or other gases or gas mixtures.

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Electrical conductor

In physics and electrical engineering, a conductor is an object or type of material that allows the flow of an electrical current in one or more directions.

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Electricity generation

Electricity generation is the process of generating electric power from sources of primary energy.

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Electromagnetic induction

Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.

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Electromagnetic interference

Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.

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Electromagnetic pulse

An electromagnetic pulse (EMP), also sometimes called a transient electromagnetic disturbance, is a short burst of electromagnetic energy.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Electromagnetic reverberation chamber

An electromagnetic reverberation chamber (also known as a reverb chamber (RVC) or mode-stirred chamber (MSC)) is an environment for electromagnetic compatibility (EMC) testing and other electromagnetic investigations.

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Electromagnetic shielding

Electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials.

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Electronic hardware

Electronic hardware consists of interconnected electronic components which perform analog or logic operations on received and locally stored information to produce as output or store resulting new information or to provide control for output actuator mechanisms.

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Electrostatic discharge

Electrostatic discharge (ESD) is the sudden flow of electricity between two electrically charged objects caused by contact, an electrical short, or dielectric breakdown.

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EMC problem (excessive field strength)

An EMC problem (or Electromagnetic compatibility problem) occurs when one piece of electronic equipment or an electromagnetic system is adversely affected the operation of another.

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EMC-aware programming

Electromagnetic compatibility (EMC)-aware programming involves writing software which is resilient to errors induced by electromagnetic fields.

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Emission-aware programming

Emission-aware programming is a design philosophy aiming to reduce the amount of electromagnetic radiation emitted by electronic devices through proper design of the software executed by the device, rather than changing the hardware.

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Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of digital data over unreliable communication channels.

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ESD simulator

An ESD simulator, also known as an ESD gun, is a handheld unit used to test the immunity of devices to electrostatic discharge (ESD).

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The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization in the telecommunications industry (equipment makers and network operators) in Europe, headquartered in Sophia-Antipolis, France, with worldwide projection.

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European Committee for Electrotechnical Standardization

CENELEC (Comité Européen de Normalisation Électrotechnique; European Committee for Electrotechnical Standardization) is responsible for European standardization in the area of electrical engineering.

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European Committee for Standardization

The European Committee for Standardization (CEN, Comité Européen de Normalisation) is a public standards organization whose mission is to foster the economy of the European Union (EU) in global trading, the welfare of European citizens and the environment by providing an efficient infrastructure to interested parties for the development, maintenance and distribution of coherent sets of standards and specifications.

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European Union

The European Union (EU) is a political and economic union of EUnum member states that are located primarily in Europe.

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European Union law

European Union law is the system of laws operating within the member states of the European Union.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.

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FM broadcasting

FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.

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Fuse (electrical)

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.

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GTEM cell

A GTEM or gigahertz transverse electromagnetic cell is a type of electromagnetic compatibility (EMC) test chamber used for radiated EMC testing.

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A harmonic is any member of the harmonic series, a divergent infinite series.

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In music, harmonization is the chordal accompaniment to a line or melody: "Using chords and melodies together, making harmony by stacking scale tones as triads".

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The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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IEEE Electromagnetic Compatibility Society

The IEEE Electromagnetic Compatibility Society (EMCS) is an organizational unit and professional society of academic professors and applied engineers with a common interest, affiliated with the IEEE.

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Immunity-aware programming

When writing firmware for an embedded system, immunity-aware programming refers to programming techniques which improve the tolerance of transient errors in the program counter or other modules of a program that would otherwise lead to failure.

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Inductive coupling

In electrical engineering, two conductors are referred to as inductively coupled or magnetically coupled when they are configured such that a change in current through one wire induces a voltage across the ends of the other wire through electromagnetic induction.

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International Commission on Non-Ionizing Radiation Protection

The International Commission on Non-Ionizing Radiation Protection (ICNIRP) is an international commission specialized in non-ionizing radiation protection.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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Keysight Technologies, or Keysight, is a US company that manufactures electronics test and measurement equipment and software.

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Lightning is a sudden electrostatic discharge that occurs typically during a thunderstorm.

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Lightning rod

A lightning rod (US, AUS) or lightning conductor (UK) is a metal rod mounted on a structure and intended to protect the structure from a lightning strike.

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Lightning strike

A lightning strike or lightning bolt is an electric discharge between the atmosphere and an Earth-bound object.

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Line filter

A line filter is the kind of electronic filter that is placed between an electronic equipment and a line external to it, to attenuate conducted radio frequencies -- RFI, also known as electromagnetic interference (EMI) -- between the line and the equipment.

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Line Impedance Stabilization Network

A line impedance stabilization network (LISN) is a device used in conducted and radiated radio-frequency emission and susceptibility tests, as specified in various electromagnetic compatibility (EMC)/EMI test standards (e.g., by CISPR, International Electrotechnical Commission, CENELEC, U.S. Federal Communications Commission, MIL-STD) An LISN is a low-pass filter typically placed between an AC or DC power source and the EUT (equipment under test) to create a known impedance and to provide a radio frequency (RF) noise measurement port.

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List of common EMC test standards

The following list outlines a number of EMC standards which are known at the time of writing to be either available or have been made available for public comment.

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Log-periodic antenna

A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over a wide band of frequencies.

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A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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A microcontroller (MCU for microcontroller unit, or UC for μ-controller) is a small computer on a single integrated circuit.

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Microwave oven

A microwave oven (also commonly referred to as a microwave) is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range.

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MIL-STD-461 is a United States Military Standard that describes how to test equipment for electromagnetic compatibility.

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MILMEGA is a company specializing in designing and manufacturing solid state, high power amplifiers for electromagnetic compatibility (EMC) testing.

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Mobile telephony

Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location.

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National Instruments

National Instruments Corporation, or NI, is an American multinational company with international operation.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

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Nuclear electromagnetic pulse

A nuclear electromagnetic pulse (commonly abbreviated as nuclear EMP, or NEMP) is a burst of electromagnetic radiation created by nuclear explosions.

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An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.

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Piezo ignition

Piezo ignition is a type of ignition that is used in portable camping stoves, gas grills and some lighters, and potato cannons.

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Printed circuit board

A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate.

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Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.

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Radio receiver

In radio communications, a radio receiver (receiver or simply radio) is an electronic device that receives radio waves and converts the information carried by them to a usable form.

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Radio Technical Commission for Aeronautics

RTCA, Inc., formerly known as (Radio Technical Commission for Aeronautics), is a United States volunteer organization that develops technical guidance for use by government regulatory authorities and by industry.

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RC circuit

A resistor–capacitor circuit (RC circuit), or RC filter or RC network, is an electric circuit composed of resistors and capacitors driven by a voltage or current source.

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Rohde & Schwarz

Rohde & Schwarz GmbH & Co KG is an international electronics group specialized in the fields of electronic test equipment, broadcast & media, cybersecurity, radiomonitoring and radiolocation, and radiocommunication.

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S-Video (also known as separate video and Y/C) is a signaling standard for standard definition video, typically 480i or 576i.

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SAE International

SAE International, initially established as the Society of Automotive Engineers, is a U.S.-based, globally active professional association and standards developing organization for engineering professionals in various industries.

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Short circuit

A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance.

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Solar cycle

The solar cycle or solar magnetic activity cycle is the nearly periodic 11-year change in the Sun's activity (including changes in the levels of solar radiation and ejection of solar material) and appearance (changes in the number and size of sunspots, flares, and other manifestations).

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Spark gap

A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air, designed to allow an electric spark to pass between the conductors.

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Spectrum analyzer

A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.

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Spread spectrum

In telecommunication and radio communication, spread-spectrum techniques are methods by which a signal (e.g., an electrical, electromagnetic, or acoustic signal) generated with a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth.

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In electrical engineering, a switch is an electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another.

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Tektronix, Inc., historically widely known as "Tek", is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment.

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Television interference

Television interference (TVI) is a particular case of electromagnetic interference which affects television reception.

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Teseq AG, formerly Schaffner Test Systems is a supplier of Electromagnetic compatibility (EMC) test solutions.

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A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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Transient (oscillation)

A transient event is a short-lived burst of energy in a system caused by a sudden change of state.

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Transmission line

In communications and electronic engineering, a transmission line is a specialized cable or other structure designed to conduct alternating current of radio frequency, that is, currents with a frequency high enough that their wave nature must be taken into account.

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VDE e.V.

The VDE e.V. (Verband der Elektrotechnik, Elektronik und Informationstechnik) is one of Europe’s largest technical-scientific associations with 36,000 members, including 1,300 corporate and institutional members and 8,000 students.

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Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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Voltage spike

In electrical engineering, spikes are fast, short duration electrical transients in voltage (voltage spikes), current (current spikes), or transferred energy (energy spikes) in an electrical circuit.

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In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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The Würth Group (Würth-Gruppe) is a worldwide wholesaler of fasteners, screws and screw accessories, dowels, chemicals, electronic and electromechanical components, furniture and construction fittings, tools, machines, installation material, automotive hardware, inventory management, storage and retrieval systems.

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Wi-Fi or WiFi is technology for radio wireless local area networking of devices based on the IEEE 802.11 standards.

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2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Electromagnetic Compatibility.


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

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