A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Power quality measurement in power supply systems - Part 2: Functional tests and uncertainty requirements
Railway applications - Fixed installations - Harmonisation of the rated values for converter groups and tests on converter groups
Railway applications - Fixed installations - Electronic power converters for substations
Railway applications - Electronic power converters for fixed installations - Part 1: General requirements
Railway applications - Electronic power converters for fixed installations - Part 2-1: DC traction applications - Uncontrolled rectifiers
Railway applications - Electronic power converters for fixed installations - Part 2-2: DC Traction applications - Controlled converters
Railway applications - Fixed installations - Electronic power converters - Part 3-1: AC traction applications - Electronic power compensators
Industrial networks - Wireless communication network and communication profiles - WirelessHART™
LCD backlight unit - Part 1-1: Generic specification
Display lighting unit - Part 1-2: Terminology and letter symbols
Display lighting unit - Part 2-1: Electro-optical measuring methods of LED backlight unit
Display lighting unit - Part 2-2: Measuring methods of LED light bars used in LCD BLUs
Display lighting unit - Part 2-3: Electro-optical measuring methods for LED frontlight unit
Display lighting unit - Part 2-4: Electro-optical measuring methods of laser module
Display lighting unit - Part 2-5: Measurement method for optical quantities of non-planar light sources
Magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure Measurement procedures
Nuclear instrumentation - Constructional requirements and classification of radiometric gauges
Alarm systems - Part 1: Environmental test methods
Alarm systems - Part 2: Electromagnetic compatibility - Immunity requirements for components of fire and security alarm systems
Industrial networks - Wireless communication network and communication profiles - WIA-PA
Surface acoustic wave (SAW) and bulk acoustic wave (BAW) duplexers of assessed quality - Part 1: Generic specification
Surface acoustic wave (SAW) and bulk acoustic wave (BAW) duplexers of assessed quality - Part 2: Guidelines for the use
Multimedia systems and equipment - Multimedia e-publishing and e-books - Interchange format for e-dictionaries
General requirements for arc fault detection and protection devices (AFDDs)
Nanomanufacturing - Key control characteristics - Part 3-1: Luminescent nanomaterials - Quantum efficiency