射频光模块用于将射频信号转为光信号，通过光纤传输，接收端再将光信号转换成射频信号，其距离长、带宽高、响应平坦，使用于通信及雷达系统。卫星通信中，点到点的天线可以通过此设备将射频信号转为光信号，通过光纤连接*几米到几千米的控制室外。广播信号也可以将RF信号转为光信号通过光纤传输。雷达系统可以通过此方式将雷达天线和信号室进行远距离连接。射频光模块根据带宽的不同，有8GHz,15GHz,20GHz不同射频带宽的产品，另有3GHz, 2.4GHz, 1.5GHz等低频段，根据需要，可选择单向和双向传输系统。
The RF over fiber transmission module ROF120M designed for RF/wireless signal transmission over long distance, which overcome the problem of high loss when the RF/wireless signal transmit over coaxial cable or free space.
Profit
1. High bandwidth
2. Immune to RF jam
3. Different wavelength is available 1310nm/1490nm/1550nm or WDM
4. Compact size
Application
1. Radar antenna remote
2. For RF signal transmission over long distance
3. Wireless signal transmission.
4. Microwave signal distribution
5. EW
Specification: ROF120M
| Parameters | unit | Typical value |
| Frequency range | GHz | 0.01 – 12 |
| Wavelength | 1550nm+/-10nm | ITU wavelength available |
| Gain | dB | >-18@2GHz ( not include EDFA, EDFA optional) |
| Input IP3 | dBm | 26@10GHz |
| Input 1dB compression | dBm | ≥+20 |
| 2nd Harmonic distortion | dBc | -70 typ. |
| SFDR | dBHz2/3 | 113 |
| Max input RF power | dBm | 10 |
| Noise Figure |
| <-145dB/Hz |
| IM3 Distortion | dBc | <-90 |
| Input/output impedance | Ohm | 50 |
| Optical connector | NA | FC/APC |
| RF connector | NA | SMA |
北京锦坤科技有限公司ROF120M射频光模块
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