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radio-frequencies; methods of measurement METHODS OF MEASUREMENT FOR RADIO EQUIPMENT USED IN SATELLITE EARTH STATIONS PART 1: MEASUREMENTS COMMON TO SUB-SYSTEMS AND COMBINATIONS OF SUB-SYSTEMS SECTION TWO - MEASUREMENTS IN THE R.F. RANGE. Original standard UNE-HD 467.1.2S1-1986 in PDF full version. Additional info + preview on request
Document status: Withdrawn
Telecontrol equipment and systems. Part 4- Performance requirements. Original standard UNE-HD 546.4S1-1991 in PDF full version. Additional info + preview on request
Document status: Active
characteristics METHODS OF MEASUREMENT ON RADIO RECEIVERS FOR VARIOUS CLASSES OF EMISSION PART 1: GENERAL CONSIDERATIONS AND METHODS OF MEASUREMENT, INCLUDING AUDIO-FREQUENCY MEASUREMENTS. Original standard UNE-HD 560.1S1-1990 in PDF full version. Additional info + preview on request
Document status: Withdrawn
MICROPROCESSOR SYSTEM BUS. 8 BIT AND 16 BIT DATA (MULTIBUS I). PART 1: FUNCTIONAL DESCRIPTION WITH ELECTRICAL AND TIMING SPECIFICATIONS. (Endorsed by AENOR in December of 1995.). Original standard UNE-HD 593.1S1-1992 in PDF full version. Additional info + preview on request
Document status: Active
Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to K. Original standard UNE-HD 60269-2-2014 in PDF full version. Additional info + preview on request
Document status: Active
Low-voltage electrical installations - Part 1- Fundamental principles, assessment of general characteristics, definitions. Original standard UNE-HD 60364-1-2009 in PDF full version. Additional info + preview on request
Document status: Active