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IEC
IEC 60444-1:1986/AMD1:1999
En Vigor
1999-08-13
Amendment 1 - Measurement of quartz crystal unit parameters by zero
phase technique in a pi-network. Part 1: Basic method for the
measurement of resonance frequency and resonance resistance of quartz
crystal units by zero phase technique in a pi-network
IEC
IEC 61097-4:2024 CMV
En Vigor
2024-02-20
Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C
ship earth station and Inmarsat enhanced group call (EGC) equipment -
Operational and performance requirements, methods of testing and
required test results
IEC
IEC 61249-2-8:2003
En Vigor
2003-02-27
Materials for printed boards and other interconnecting structures - Part
2-8: Reinforced base materials clad and unclad - Modified brominated
epoxide woven fibreglass reinforced laminated sheets of defined
flammability (vertical burning test), copper-clad
IEC
IEC 61753-061-2:2020
En Vigor
2020-04-09
Fibre optic interconnecting devices and passive components - Performance
standard - Part 061-2: Single-mode fibre optic pigtailed style
polarization independent isolators for category C - Controlled environments
