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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
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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) |
是 |
| 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) |
|
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