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IEC CIS/I/10/CDV
Modification of CISPR 22: Improved Impedance Stabilisation Networks
ISO/AWI 10534-3
Acoustics - Determination of properties in impedance tubes - Part 3: Microphone technique for bulk properties
IEC 46C/276/CD
Amendment to IEC 1156-2 for values of characteristic impedance and structural return loss (SRL) and return loss (RL)
IEC 90/251/CDV
IEC 61788-15 Ed.1: SUPERCONDUCTIVITY - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies
IEC 46/428/CDV
EC 62153-4-3/Ed. 2: Metallic communication cable test methods - Part 4-3: Electromagnetic Compatibility (EMC) - Surface transfer impedance - Triaxial method
IEC 46A/430A/NP
Comments received on 46A/430/NP (Coaxial cables for use in cabled distribution networks - Part 2-17: Test for mean characteristic impedance)
IEC 46A/432A/NP
Comments received on 46A/432/NP (Coaxial cables for use in cabled distribution networks - Part 2-19: Test for uniformity of impedance)
ISO/WD 10767-1
Hydraulic fluid power - Determination of pressure ripple levels generated in systems and components - Part 1: Method for determining source flow ripple and source impedance of pumps
prEN 61076-3-105
Connectors for electronic equipment -- Part 3-105: Detail specification for 4 pair balanced, individually shielded, fixed and free connectors with a characteristic impedance of 100 ohms, covering a frequency range from DC to 1 500 MHz
IEC 46A/986/CDV
IEC 61196-1-108: Coaxial communication cables - Part 1-108: Electrical test methods - Test for characteristic impedance, phase and group delay, electrical length and propagation velocity
