Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance

Aerospace series - Electrical contacts used in elements of connection - Part 075: Contacts, electrical, quadrax, size 8, female, type E, crimp, class P, R and S - Product standard; German version ASD-STAN prEN 3155-075:2025

Aerospace series - Electrical contacts used in elements of connection - Part 074: Contacts, electrical, quadrax, size 8, male, type E, crimp, class P, R and S - Product standard; German version ASD-STAN prEN 3155-074:2025

Aerospace series - Electrical contacts used in elements of connection - Part 074: Contacts, electrical, quadrax, size 8, male, type E, crimp, classes P, R and S - Product standard

Aerospace series - Electrical contacts used in elements of connection - Part 075: Contacts, electrical, quadrax, size 8, female, type E, crimp, classes P, R and S - Product standard

Radio-frequency connectors - Part 74: Sectional specification for HN series RF coaxial connectors with screw coupling - Characteristic impedance 50 ohms

Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids

RF & DC lines cabling components for quantum technologies down to ultra-low temperature - Key parameters and test methods

RF & DC lines cabling components for quantum technologies down to ultra-low temperature - Key parameters and test methods