• 17.7GHz-21.2GHz Ka band LNB GARDIER GKA1821 Ka-Band Low Noise Block

    17.7GHz-21.2GHz Ka band LNB GARDIER GKA1821 Ka-Band Low Noise Block

    17.7GHz-21.2GHz Ka band LNB FREQUENCY BANDS 13V 13V & 22KHz 18V 18V & 22KHz Frequency Band (GHz) 17.7GHz-18.2GHz 18.2-19.2G Hz 19.2-20.2GH z 20.2-21.2GHz L.O. Frequency (GHz) 16.7GHz 17.2GHz /18.2GHz 19.2GHz IF Frequency (MHz) 1-1.5GHz 1-2GHz 1-2Ghz 1-2GHz

  • 27.5-31GHz LNB 下变频器 低噪声放大器 降频器 KA Band LNB 高频头

    27.5-31GHz LNB 下变频器 低噪声放大器 降频器 KA Band LNB 高频头

    GX2731E    27-31GHz 四本振低噪声放大器 LNB

     

    项目 Band 1 Band 2 Band 3 Band 4
    本振(LO)频率(GHz) 26.05 27.05 28.05 29.05
    输入(INPUT)
    输入频率(GHz) 27.00 – 28.50 28.00 – 29.50 29.00 – 30.50 30.00 – 31.00
    波段切换 上述2 – 4个波段,通过13/18V和22 kHz音调或M&C(监控与控制)切换
    输入波导(Input WG) 波导WR28,法兰PBR 320
    直流输入(DC Input) 标称+12至+24 V,通过射频输出连接器或单独连接器(SMA)供电,功耗最大6W
    输入电压驻波比(Input VSWR) 最大2.0:1
    内部(INTERNAL)
    本振参考(LO reference) 外部10 MHz参考,故障时回退至内部参考(内部参考精度±30 ppm,温度范围 -40至+71°C)
    内部本振参考(Internal LO ref.) 最大±30 ppm,温度范围 -40至+71°C
    外部10 MHz参考(External 10 MHz ref.) 正弦波,电平 -10 dBm至+10 dBm,通过输出连接器或可选单独SMA连接器提供
    本振泄漏(LO Leakage) 波导输入时最大 -60 dBm,中频输出时最大 -40 dBm
    增益(Gain) 典型40 dB,可通过M&C定制0 – 40 dB
    增益平坦度(Gain Flatness) 30 MHz内最大±0.4 dB,每个波段内最大±2 dB(温度范围 -40至+71°C)
    增益稳定性(Gain Stability) 24小时内最大±1 dB
    温度补偿(Temp. compensated)
    噪声系数(Noise figure @ 23°C) 4.0 dB / 438 K
    相位噪声(Phase Noise) 典型值:
    -34 dBc @ 10 Hz
    -64 dBc @ 100 Hz
    -84 dBc @ 1 kHz
    -92 dBc @ 10 kHz
    -96 dBc @ 100 kHz
    -113 dBc @ 1 MHz
    -123 dBc @ >10 MHz
    群延迟(Group delay) 最大±1 ns
    镜像抑制(Image Rejection) 最小37 dB(本振 > 28.05时),最小27 dB(其他情况)
    输出(OUTPUT)
    输出频率(MHz) 950 – 2450 950 – 2450 950 – 2450 950 – 1950
    输出1 dB压缩点(Output P1dB) 最小+15 dBm
    输出三阶交调点(Output IP3) 最小+25 dBm
    输出电压驻波比(Output VSWR) 最大2.0:1
    输出连接器(Output Connector) N型母头50Ω或SMA型母头50Ω
    通用(GENERAL)
    报警(Alarm) 总和报警,通过M&C设置为以下任意组合报警:
    高/低电流、本振锁定(外部/内部)、信号功率高/低、供电电压低/高。
    开集电极3.3至28 V,最大200 mA(主机侧上拉10 kΩ),常开/常闭(NO/NC),M8连接器的引脚1
    监控与控制 通过MODBUS RTU RS485电气接口
    注意!需与M8公头连接器/电缆匹配,仅使用屏蔽电缆(最低CAT5)
    尺寸(Dimensions) 144 x 74 x 44 mm(N型连接器)
    重量(Weight) 455 g(N型连接器)

     

  • Ka LNB 17.30-22.30 GHz 低噪声放大器 高频头 降频器 下变频器

    Ka LNB 17.30-22.30 GHz 低噪声放大器 高频头 降频器 下变频器

    Ka LNB 17.30-22.30 GHz

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