IEC 61000-4-3-2020 pdf free
IEC 61000-4-3-2020 pdf free.Electromagnetic compatibility (EMC) – Part 4-3: Testing and measurement techniques – Radiated, radio-frequency electromagnetic field immunity test.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60050-161, International Electro technical Vocabulary (1EV) — Part 161: Electromagnetic compatibility (available at www electropedia.org)
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-161 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://wwwiso.org/obp
3.1.1 amplitude modulation AM modulation in which the amplitude of a periodic carrier is a given function, generally linear, of the instantaneous values of the modulating signal
[SOURCE: IEC 60050-702:2016, 702-06-1 7J
3.1.2 anechoic chamber shielded enclosure which is lined with radio-frequency absorbers to reduce reflections from the internal surfaces
3.1.3 fully anechoic chamber shielded enclosure whose Internal surfaces are totally lined with anechoic material
3.1.4 semi-anechoic chamber shielded enclosure in which all surfaces except the metal floor are covered with material that absorbs electromagnetic energy (i.e. RF absorber) in the frequency range of interest
3.1.5 modified semi-anechoic chamber semi-anechoic chamber which has additional absorbers installed on the ground plane
3.1.6 antenna that part of a radio transmitting or receiving system which is designed to provide the required coupling between a transmitter or a receiver and the medium in which the radio wave propagates.
3.1.7 balun device for transforming an unbalanced voltage to a balanced voltage or vice versa [SOURCE: IEC 60050-161:1990 161-04-34]
3.1.8 common mode a bsorption device CMAD device that may be applied on cables leaving the test area in radiated immunity tests to damp resonances on cables
3.1.9 continuous wave CW sinusoidal electromagnetic wave, the successive oscillations of which are identical under steady-state conditions, which can be interrupted or modulated to convey information
3.1.10 electromagnetic wave wave characterized by the propagation of a time-varying electromagnetic field
Note 1 to entry: An electromagnetic wave is produced by variations of electric charges or of electric currents[SOURCE: IEC 60050-705:1995, 705-01-09]
3.1.11 far field that region of the electromagnetic field of an antenna wherein the predominant components of the field are those which represent a propagation of energy and wherein the angular field distribution is essentially independent of the distance from the antenna.IEC 61000-4-3 pdf free download.
