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IEC Releases CISPR TR 16-4-4:2007+AMD1:2017 for Radio Interference

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The International Electrotechnical Commission (IEC) has released CISPR TR 16-4-4:2007+AMD1:2017. This includes “Specification for radio disturbance and immunity measuring apparatus and methods – Part 4-4: Uncertainties, statistics and limit modelling – Statistics of complaints and a model for the calculation of limits for the protection of radio services calculation of limits for the protection of radio services.” This standard is now available on the IEC webstore.

Description: “CISPR TR 16-4-4:2007+AMD1:2017 contains a recommendation on how to deal with statistics of radio interference complaints. Furthermore it describes the calculation of limits for disturbance field strength and voltage for the measurement on a test site based on models for the distribution of disturbances by radiated and conducted coupling.

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

This second edition of CISPR 16-4-4 contains two thoroughly updated Clauses 4 and 5, compared with its first edition. It also contains, in its new Annex A, values of the classical CISPR mains decoupling factor which were determined by measurements in real low-voltage AC mains grids in the 1960s respectively.”

*Description from the IEC Website.

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