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IEC 60487-2-6-ed.1.0
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Six: Diversity, twin-path and hot stand-by equipment
STANDARD published on 1.1.1984
The information about the standard:
Designation standards: IEC 60487-2-6-ed.1.0
Publication date standards: 1.1.1984
SKU: NS-410326
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60487-2-6-ed.1.0 :
Deals with measurements on diversity equipment used for making two or more receivers at a radio-relay station suitable for diversity reception. Diversity equipment is assumed to comprise the circuit for switching and/or combining the diversity channels, excluding the diversity channel equipment itself i.e. transmitters, receivers, modulators, demodulators, etc., although these may also be involved in the measurements. Measurements on twin-path and hot stand-by equipment which are not treated in Part 2, Section Two of the publication are also considered in this section. However, measurements related to the properties of the switch and of the switching process, which are applicable equally to stand-by channel switching equipment and to diversity, twin-path and hot stand-by equipment, will be covered by reference to Part 2, Section Two. Traite des mesures sur le materiel necessaire pour utiliser deux ou plusieurs recepteurs radioelectriques dune station de faisceaux hertziens dans un fonctionnement en diversite de reception. Il est suppose que ce materiel de diversite comprend le circuit de commutation et/ou de combinaison des canaux, mais quil ne comprend pas les equipements propres a chacun de ces canaux, a savoir: emetteurs, recepteurs, modulateurs, demodulateurs, etc., bien que ces equipements puissent egalement etre impliques dans les mesures. Cette section traite aussi des mesures sur les materiels pour le fonctionnement en double canal et pour le fonctionnement monocanal avec secours actif. Ces dernieres ne sont pas decrites dans la deuxieme partie, section deux de cette publication. Toutefois, pour les mesures concernant les proprietes des commutateurs et les processus de commutation qui sappliquent egalement a la presente section, on renverra a la deuxieme partie, section deux.
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