A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Measurement microphones - Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
Guide for safe handling and operation of mobile radio equipment
Multicore and symmetrical pair/ quad cables for digital communications - Part 1-2: Electrical transmission characteristics and test methods of symmetrical pair/ quad cables
Radio frequency connectors - Part 1-51: Technical specification of electrical tests - Uncertainty specification of frequency domain test for return loss
Radio-frequency connectors - Part 1-7: Electrical test methods - Uncertainty specification of frequency domain test for insertion loss
Radiotherapy simulators - Guidelines for functional performance characteristics
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 3-301: Test methods for interconnection structures (printed boards) - Appearance inspection method for plated surfaces on PWB
Electrical installation guide - Part 101: Application guidelines on extra-low-voltage direct current electrical installations not intended to be connected to a public distribution network
Electrical installation guide - Part 102: Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network
Application guidance based on the IEC 60364 series - Part 201: Asynchronous motor starting and protection
Electrical installation guide - Part 53: Selection and erection of electrical equipment - Switchgear and controlgear
Use of conventional touch voltage limits - Application guide
Ultrasonics - Continuous-wave Doppler systems - Test procedures
Evaluation and routine testing in medical imaging departments - Part 1: General aspects
Evaluation and routing testing in medical imaging departments - Part 2-1: Constancy tests - Film processors
Determination of long-term radiation ageing in polymers - Part 1: Techniques for monitoring diffusion-limited oxidation
Determination of long-term radiation ageing in polymers - Part 2: Procedures for predicting ageing at low dose rates
Power convertors installed on board railway rolling stock - Part 2: Additional technical information
Distribution automation using distribution line carrier systems - Part 5-2: Lower layer profiles - Frequency shift keying (FSK) profile
Distribution automation using distribution line carrier systems - Part 5-3: Lower-layer profiles - Spread spectrum adaptive wideband (SS-AW) profile
Distribution automation using distribution line carrier systems - Part 5-4: Lower layer profiles - Multi-carrier modulation (MCM) profile
Distribution automation using distribution line carrier systems - Part 5-5: Lower layer profiles - Spread spectrum - fast frequency hopping (SS-FFH) profile
Electrostatics - Part 4-2: Standard test methods for specific applications - Electrostatic properties of garments
Electrostatics - Part 5-4: Protection of electronic devices from electrostatic phenomena - Compliance verification
Electrostatics - Part 5-6: Protection of electronic devices from electrostatic phenomena - Process assessment techniques