Sound system equipment - Part 3: Amplifiers (IEC 60268-3:2018); German version EN IEC 60268-3:2018
Edition 2019-02

Semiconductor devices - Part 16-1: Microwave integrated circuits - Amplifiers (IEC 60747-16-1:2001 - A1:2007 - A2:2017); German version EN 60747-16-1:2002 + A1:2007 + A2:2017
Edition 2017-10

Semiconductor devices - Part 16-9: Microwave integrated circuits - Phase shifters (IEC 47E/768/CD:2021); Text in German and English
Edition 2022-06

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations; section 4: Low noise amplifier (IEC 60835-3-4:1993); German version EN 60835-3-4:1995
Edition 1995-06

Optical amplifiers - Test methods - Part 1: Power and gain parameters (IEC 61290-1:2022); German version EN IEC 61290-1:2022
Edition 2024-06

Optical amplifiers - Test methods - Part 1-1: Power and gain parameters - Optical spectrum analyzer method (IEC 61290-1-1:2020); German version EN IEC 61290-1-1:2020
Edition 2022-07

Optical amplifier - Test methods - Part 1-2: Power and gain parameters - Electrical spectrum analyzer method (IEC 61290-1-2:2005); German version EN 61290-1-2:2005
Edition 2006-07

Optical amplifiers - Test methods - Part 1-3: Power and gain parameters - Optical power meter method (IEC 61290-1-3:2021); German version EN IEC 61290-1-3:2021
Edition 2023-10

Optical amplifiers - Test methods - Part 3: Noise figure parameters (IEC 61290-3:2008); German version EN 61290-3:2008
Edition 2009-03

Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003); German version EN 61290-3-1:2003
Edition 2004-05