Cable networks for television signals, sound signals and interactive services - Part 13-1: Bandwidth expansion for broadcast signal over FTTH system (Endorsed by Asociación Española de Normalización in December of 2017.)
Edition 2017-12-01

Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics (Endorsed by AENOR in December of 2005.)
Edition 2005-12-01

Semiconductor devices - Part 16-3: Microwave integrated circuits - Frequency converters. (Endorsed by AENOR in December of 2002.)
Edition 2002-12-01

Semiconductor devices - Part 16-4: Microwave integrated circuits - Switches (Endorsed by Asociación Española de Normalización in December of 2017.)
Edition 2017-12-01

Semiconductor devices - Mechanical and climatic test methods - Part 7: Internal moisture content measurement and the analysis of other residual gases (Endorsed by AENOR in December of 2011.)
Edition 2011-12-01

Semiconductor devices - Mechanical and climatic test methods - Part 44: Neutron beam irradiated single event effect (SEE) test method for semiconductor devices (Endorsed by AENOR in December of 2016.)
Edition 2016-12-01

NON-BROADCAST VIDEO TAPE RECORDERS. TIME BASE STABILITY. (Endorsed by AENOR in December of 1995.)
Edition 1995-12-01

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 2: FM audio recording (Endorsed by AENOR in December of 2001.)
Edition 2001-12-01

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 5: D-VHS (Endorsed by AENOR in December of 2004.)
Edition 2004-12-01

Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length (Endorsed by Asociación Española de Normalización in December of 2018.)
Edition 2018-12-01