A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Optical circuit boards - Basic test and measurement procedures - Part 2-4: Optical transmission test for optical circuit boards without input/output fibres
Optical circuit boards - Basic test and measurement procedures - Part 2-5: Flexibility test for flexible opto-electric circuits
Optical circuit boards - Part 3: Performance standards - General and guidance
Optical circuit boards - Part 3-1: Performance standards - Flexible optical circuit boards using unconnectorized optical glass fibres
Optical circuit boards - Part 4: Interface standards - General and guidance
Optical circuit boards - Part 4-1: Interface standards Terminated waveguide OCB assembly using single-row twelve-channel PMT connectors
Optical circuit boards - Part 4-214: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel symmetric PMT connector
Optical circuit boards - Part 4-3: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel PMT connector intermateable with a 250 m pitch MPO 16
Railway applications - Insulation coordination - Part 2: Overvoltages and related protection
Railway applications - Environmental conditions for equipment - Part 1: Equipment on board rolling stock
Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations
Railway applications - Environmental conditions for equipment - Part 3: Equipment for signalling and telecommunications
Railway applications - Current collection systems - Pantographs, testing methods for contact strips
Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing
Multimedia quality - Method of assessment of synchronization of audio and video
General lighting - Light emitting diode (LED) products and related equipment - Terms and definitions
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 1: Circuit-breakers with nominal voltage above 1 kV
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 2: Disconnectors, earthing switches and switches with nominal voltage above 1 kV
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-1: Measurement, control and protection devices for specific use in AC tractions systems - Devices
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-2: Measurement, control and protection devices for specific use in AC traction systems - Current transformers
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-3: Measurement, control and protection devices for specific use in AC traction systems - Voltage transformers
Methods for product accelerated testing
Identification systems enabling unambiguous information interchange - Requirements - Part 1: Principles and methods
Guidance on human aspects of dependability
Battery charge controllers for photovoltaic systems - Performance and functioning
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