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Instruções de Operação Sennheiser, Modelo A 5000-CP

Fabricante : Sennheiser
Arquivo Tamanho: 159.92 kb
Arquivo Nome : 8ec6925f-e3b6-fcd4-8d50-18b76fac0b48.pdf
Língua de Ensino: enesfr
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Actual installations have demonstrated that the circular polarization of this antenna minimizes variations in signal strength and almost completely eliminates multipath problems, a primary cause of ‘hits’ or nulls. The gain of this antenna over the entire UHF band is superior to the common ‘off the shelf’ antennas. The A 5000-CP’s extreme broadband capability provides the freedom to utilize just one antenna model anywhere in the UHF spectrum. Because of its unique 3 dimensional radiation pattern, the antenna can be mounted above the talent or venue, oriented with the antenna element facing down. With the main lobe (maximum gain) of the antenna pointing downward to the desired source, this arrangement has the advantage of greatly reduced sensitivity for potentially interfering signals arriving horizontally. High Gain – Minimized Multipath – Broadband Technical Data Antenna Type Circular Polarized Helical Forward Gain min 8 dBi (at 650 MHz) Bandwidth 450 - 960 MHz Polarization Circular Connector Type N (female), type N-male to BNC-female adapter (included) Half Power Beam Width ± 40 degrees SWR < 1.5:1 Power Handling Capability 50 W Radome Depth 5.5” (140 mm) Ground Plane Diameter 14” (356 mm) 6061 Anodized Aluminum Mounting Bracket 4 x 3.625 x 3/8” (101 x 93 x 9.5 mm) Lexan Plate, 3/8-16 Helicoil Matthews Pin avail. for lighting grid mount Radome Material Black Acrylic Element Copper Element Support Lexan Hardware Stainless Steel Approximate Weight 3.1 lbs. (1.41 kg) Circularly Polarized Antenna for the UHF Band 03.2006 L’antenne A 5000-CP possede des caracteristiques HF tres appreciables pour une utilisation en bande d’emission UHF, en emission comme en reception. L’examen d’installations en « vraie grandeur » a demontre que la polarisation circulaire de l’antenne reduit les variations d’intensite du signal et elimine presque integralement les problemes issus des chemins de propagation multiples (multipath) – principaux responsables des « trous de HF ». Sur toute l’etendue de la bande HF, le gain de cette antenne est superieur a celui d’un modele classique. La bande du modele A 5000-CP est tres etendue, ce qui permet de n’utiliser qu’une seule antenne, quel que soit la partie du spectre UHF ou on travaille. Grace a son mode de radiation tridimensionnel exclusif, l’antenne peut s’installer au-dessus de l’artiste ou de la salle, l’element d’antenne se trouvant oriente vers le bas. Le lobe principal (correspondant au gain maximum) de l’antenne pointant vers le bas, vers la source desiree, cet arrangement presente l’avantage de reduire considerablement la sensibilite a d’eventuelles sources d’interference arrivant horizontalement. Gain eleve – Multipath reduit – Large bande Caracteristiques techniques Type d’antenne Helicoidale, polarisation circulaire Gain frontal min 8 dBi (a 650 MHz) Largeur de bande 450 - 960 MHz Polarisation Circulaire Type Connecteur N (femelle), adaptateur N male vers BNC femelle (inclus) Angle de mi-puissance ± 40 degres SWR ...

Este manual também é adequado para os modelos :
TV - A 5000-CP (159.92 kb)

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