Normativa ISO UNE gratis

Fecha de publicación: 11/02/2021 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-14: Tests – High optical power IEC 61300-2-14:2021

Fecha de publicación: 11/02/2021 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-14: Tests – High optical power IEC 61300-2-14:2021 RLV

Fecha de publicación: 17/02/2021 Optical fibre cables – Shrinkage effects on cable and cable element end termination – Guidance IEC TR 62959:2021

Fecha de publicación: 18/02/2021 Optical fibre cables – Part 1-211: Generic specification – Basic optical cable test procedures – Environmental test methods – Sheath shrinkage, method F11 IEC 60794-1-211:2021

Fecha de publicación: 23/02/2021 Circuit boards and circuit board assemblies – Design and use – Part 6-1: Land pattern design – Generic requirements for land pattern on circuit boards IEC 61188-6-1:2021

Fecha de publicación: 23/02/2021 Radio-frequency connectors – Part 66: Sectional specification for RF coaxial connectors with 5 mm inner diameter of outer conductor, with quick-lock- or screw-coupling, characteristic impedance 50 Ω (series 2,2-5) IEC 61169-66:2021

Fecha de publicación: 24/02/2021 Digital audio – Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 – Part 1: General IEC 61937-1:2021

Fecha de publicación: 24/02/2021 Digital audio – Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 – Part 1: General IEC 61937-1:2021 RLV

Fecha de publicación: 25/02/2021 Optical fibres – Part 2-40: Product specifications – Sectional specification for category A4 multimode fibres IEC 60793-2-40:2021

Fecha de publicación: 25/02/2021 Optical fibres – Part 2-40: Product specifications – Sectional specification for category A4 multimode fibres IEC 60793-2-40:2021 RLV