BS EN 60444-11. Measurement of Quartz Crystal Unit Parameters. Part 11. Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level
Electromagnetic Compatibility (EMC) - Part 1: General - Section 1: Application and Interpretation of Fundamental Definitions and Terms (Adopted CEI/IEC 1000-1-1:1992)
Electromagnetic Compatibility (EMC) - Part 2: Environment - Section 1: Description of the Environment - Electromagnetic Environment for Low-Frequency Conducted Disturbances and Signalling in Public Power Supply Systems (Adopted CEI/IEC 1000- 2-1:1990) / Compatibilite electromagnetique (CEM) - Partie
Guidelines for the Development and Use of Medical Electrical Equipment Educational Materials (Adopted CEI/IEC 1258:1994, first edition) / Guide pour le developpement et l'utilisation des supports educatifs relatifs aux appareils electromedicaux (norme CEI/IEC 1258:1994 adoptee, premiere edition) **