1.8mKu段RxTxClassIII天线系统Andrew公司183型1.8mClassIIIRxTx天线为一弧面通信级天线产品，可应用于高要求通信系统中。反射面采用热固树脂一次性浇注，坚固耐用且表面***。反射镜浇注成型不仅可以让天线架构更加坚固，并且可以得到更加***的弧面以提高传输性能。反射镜采用长焦可以得到更好的极化性能，可以满足更多的***系统。其Az/El装置以及天线支撑结构由重型钢架制成，可以为反射面提供强力的支撑。该支撑可以强风下保护外径在4.50”(114mm)的天线。特殊的粉尘处里功能可以免于天线的自然腐蚀。􀁺一体化高精度热固反射面􀁺单螺栓***仰角调整􀁺镀锌的.75”(19mm)O.D.支撑架􀁺工厂预安装􀁺镀锌及全不锈钢部件耐腐蚀􀁺热镀锌Az/El可选􀁺射频测试安装􀁺*RF元件***大25lb或11kg.(BUC和LNB)TYPE183类型信息天线型号..................62-18334-01(TypeN),62-18339-01(WR137)Intelsat标准...............Standa***G&H-2(IESS601)批准号码..................IA050A00RF性能有效口径.................1.8m(71in)运行频率........Tx........13.75-14.50GHz............Rx........10.70-12.75GHz极化....................线极化;正交增益(&plu***n;.4i).....Tx........46.8dBi@14.25GHz............Rx........45.3dBi@11.95GHz3dB波束带宽......Tx........0.79°@14.3GHz.............Rx........0.99°@12.0GHzSidelobeEnvelope(Tx,Co-PoldBi)1°<θ<20°...............29-25Log20°<θ<26.3°..............-3.526.3°<θ<48°..............32-25Log48°<θ<180°..............-10天线交叉极化...............30dB(OnAxis)......................26dBin.5dBContour天线噪声温度10°El..................43°K20°El..................28°K30°El..................23°KVSWR..........Tx........1.3:1.............Rx........1.5:1隔离度.........Tx........110dB.............Rx........35dB馈源端口........Tx........WR75CoverFlange(UBR120).............Rx........WR75CoverFlange(UBR120)机械性能反射面材料................玻璃纤维聚酯材料天线光学镜................一体化长焦补焦装置类型.................方位及俯仰俯仰调整范围................10°-90°连续***可调方位调整范围................360°连续可调MastPipeInterface............4.50in(114mm)Diameter可抗风速.........工作.......50mi/h(80km/h)............极限.......125mi/h(200km/h)温度...................-50°Cto80°C湿度....................0to100%大气....................Salt,PollutantsandContaminantsas.....................EncounteredinCoastalandIndustrialAreas太阳辐射..................360BTU/h/ft2震动及摇动.................可承受运输及操作)