
5.85-6.425GHz C Band LNB 双本振双独立输出高频头,降频器,低噪声放大下变频器,LNB,Gardiner
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GC5856425 C Band LNB
5.85-6.425GHz C波段双段低噪声放大下变频器 | C-Band Dual-Segment LNB
产品概述 | Product Overview
深圳国鑫思辰科技有限公司提供是一款专为C波段卫星通信设计的低噪声下变频器(LNB),支持5.85-6.425GHz频段双段选择输出,具备反谱输出能力。采用WR137波导输入接口,内置低噪声放大器,适用于卫星信号接收、VSAT通信等应用场景。
This product is a low-noise Block Downconverter (LNB) designed for C-Band satellite communications, supporting dual-segment selection output in the 5.85-6.425GHz band with reversed spectrum capability. It features a WR137 waveguide input interface and built-in LNA, suitable for satellite signal reception and VSAT communications.
技术参数 | Technical Specifications
| 频率范围 | Frequency Range | ||
| 输入频率
Input Frequency |
5.85 ~ 6.425 GHz | C波段两段选择输出 | C-Band Dual-Segment Selection |
| 输出频率(接口1)
Output Freq (Out 1) |
0.95 ~ 1.45 GHz | IN: 5.85~6.35GHz → OUT: 0.95~1.45GHz(反谱)| Reversed Spectrum |
| 输出频率(接口2)
Output Freq (Out 2) |
0.95 ~ 1.325 GHz | IN: 6.35~6.425GHz → OUT: 0.95~1.025GHz(反谱)| Reversed Spectrum |
| 射频性能 | RF Performance | ||
| 增益
Gain |
≥ 60 dB | — |
| 噪声温度
Noise Temperature |
100 K | 低噪声设计 | Low Noise Design |
| 输出P1dB
Output P1dB |
≥ +5 dBm | 1dB压缩点 | 1dB Compression Point |
| 接口特性 | Interface Characteristics | ||
| 输入驻波比
Input VSWR |
1.35 : 1 | — |
| 输出驻波比
Output VSWR |
1.5 : 1 | — |
| 输入接口
Input Interface |
BJ70 (WR137) | 波导接口 | Waveguide Flange |
| 输出接口
Output Interface |
N-50K / SMA-k | 可选 | Optional |
| 控制与供电 | Control & Power Supply | ||
| 参考时钟
Reference Clock |
10 MHz | 内外参考自适应 | Internal/External Reference Adaptive |
| 供电电源
Power Supply |
12-24 VDC | 直流供电 | DC Power |
工作模式说明 | Operational Modes
模式 1(低段)| Mode 1 (Low Segment): IN: 5.85~6.35GHz → OUT: 0.95~1.45GHz(反谱)
模式 2(高段)| Mode 2 (High Segment): IN: 6.35~6.725GHz → OUT: 0.95~1.325GHz(反谱)
注 | Notes: 所有指标均在典型工作条件下测试。如需更详细的机械图纸或定制频率,请联系我司销售团队 Tel:+861868870670。
All specifications are tested under typical operating conditions. For detailed mechanical drawings or custom frequencies, please contact our sales team.





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