Transmission and Multiplexing (TM) - Digital Radio Relay Systems (DRRS) - Fixed point-to-point radio link equipment for the transmission of digital signals and analogue video signals operating in the frequency bands 10 GHz and 14 GHz with 20 MHz alternate channel spacing (Endorsement of the English version ETS 300638:1996 as German standard)
Edition 2000-05

Transmission and multiplexing (TM). Sub-STM1 digital radio relay systems (DRRS) operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing
Edition 1998-08-01

Transmission and Multiplexing (TM). High capacity digital radio-relay systems carrying 1×STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements
Edition 1998-07-01

Bias-temperature stability test for metal-oxide, semiconductor, field-effect transistors (MOSFET) (IEC 62373:2006); German version EN 62373:2006
Edition 2007-01

Microbeam analysis - Selected instrumental performance parameters for the specification and checking of energy-dispersive X-ray spectrometers (EDS) for use with a scanning electron microscope (SEM) or an electron probe microanalyser (EPMA) (ISO 15632:2021)
Edition 2022-09

Testing of materials for semiconductor technology - Test method for particle analysis in liquids - Part 3: Calibration of optical particle counters
Edition 1995-10

Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 2: Phase jitter measurement method (IEC 62884-2:2017); German version EN 62884-2:2017
Edition 2018-05

Expression of performance of gas analyzers - Part 6: Photometric analyzers (IEC 61207-6:2014); German version EN 61207-6:2015
Edition 2016-03