特点介绍:
? 采用高线性光隔离DFB激光器，内置RF驱动放大及控制电路；
? RF自动增益控制电路（AGC）和预失真补偿电路；
? 具有激光器光功率和温度稳定控制电路，可长期稳定的处于*佳工作状态；
? 关键控制参数（输出功率、激光器温度、偏置电流等）由LCD全状态数字显示；
? 整机电源设有热备份
? 设有RS-232工业标准接口及485微机接口，供远程网络管理及监控使用。 SPECIFICATIONS：
? It adopts highly linear and optical isolation DFB laser instrument and has built-in Rf driving amplifier and corresponding controlling circuits
? With RF automatic gains controlling and distortion pre-compensation circuits;
? It permanently works at optimal status because of laser power & temperature control circuit;
? The key controlling parameters (laser power , temperature of the laser instrument ,bias current .etc) can be displayed at LCD with whole state automatic and di*al technology;
? There is hot backup for the whole power;
? It consists of RS-232 industrial standard interface and RS-485 computer interface for long-distance network management and *vision.
技术参数Function Parameter| 型号T*e 参数Parameter | ZYOT75-□□ | | 输出光功率（mW） Output Optical Power | 见下表 see the form below | | 工作频率（MHz） Bandwidth | 45-（750）862 | | 标称光波长（nm） Nominal Optical Wave Length | 1310&plu*n;20 | | 光连接器形式 Fiber Connector Version | FC/APC(或用户指定 or specified by user) | | 带内平坦度（dB） Flatness Band | &plu*n;0.75 | | 射频输入阻*（Ω） RF Input Impedance | 75 | | 射频输入反射损耗（dB） Return Loss Input RF Port | ≥16 | | 射频输入电平（dBμV） RF Input Level | 75-85 | | 载波复合三次差拍比（dB） *B | 65 | | 载波复合二次差拍比（dB） CSO | 61 | | 载噪比 CNR | 见下表 see the form below | | 供电电压（V） Supply Voltage | AC110-250 | | 外形尺寸（mm） Dimension | 483×385×44 | | 重量kg Weight | |
载噪比性能参数 CNR Parameter（84路PAL-D，*B=65dB，CSO=61dB）| 型号 T*e | 输出光功率 OutputOptical Power(mW) | 光链路损耗（dB） Optical Loss | | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | | OT-04 | 4-5 | 52.6 | 52.2 | 51.8 | 51.4 | 51.1 | 50.5 | 49.8 | 48.9 | | | | | | | | | OT-06 | 6-7 | | 54.5 | 54.1 | 53.5 | 53.0 | 52.0 | 51.0 | 50.0 | 49 | 48.5 | | | | | | | OT-08 | 8-9 | | | 54.1 | 53.7 | 53.2 | 52.6 | 51.9 | 51.1 | 50.2 | 49.2 | 48.0 | | | | | | OT-10 | 10-11 | | | | 54.5 | 54.0 | 53.0 | 52.5 | 52.0 | 51.0 | 50.0 | 49.5 | 49.0 | | | | | OT-12 | 12-13 | | | | | 56.0 | 55.0 | 54.0 | 53.0 | 52.0 | 51.0 | 50.0 | 49.0 | 48.4 | | | | OT-14 | 14-15 | | | | | | 56.0 | 55.0 | 54.0 | 53.0 | 52.0 | 51.0 | 50.0 | 49.5 | 48.5 | | | OT-16 | 16-17 | | | | | | | 55.5 | 54.5 | 53.5 | 52.5 | 52.0 | 51.0 | 50.0 | 49.0 | 48.0 | | OT-18 | 18-19 | |
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