●产品简介INTRODUCTION1550nm激光发射机主要用于图像信号、语音信号和数据信号的远距离光纤传输，是构建有线电视HFC网络的重要设备。1310nm Laser Transmitter is mainly used for long distance fiber optic transmission of image signal, sound signal and data signal. It is important equipment for setting up CATV HFC network. ●性能特点FEATURES◆    选用国际品牌的高性能DFB激光器。With international well-known high performance DFB laser.◆    预失真补偿技术。Prediction distortion compensations technology.◆    自动温度控制（ATC），自动光功率控制（APC）。Automatic temperature control and automatic power control.◆    工作状态显示可随时监测整机工作参数。Working habitus are displayed,enabla user monitor the working parameters.◆    具有标准的RS485和RS232网管接口。Equipped with standard RS485 and RS232 network interface.◆    高可靠性开关电源，防雷特性好。High reliability on/off power，good anti-thunder ability. ●光学参数                                   ●Optical specifications 工作波长(nm)           1310±20              Wave length (nm)             1310±20 输出光功率(mW)        4～25                 Optical output power (mW)     4～25     光纤连接器类型         FC/APC或SC/APC       Optical output connector       FC/APC or SC/APC●射频参数                                   ●RFSpecifications     工作带宽(MHz)          45～750/862          Bandwith (MHz)              45～750/862 输入电平(dBuV)         75～85                RF input level (dBuV)         75～85 平坦度(dB)              ±0.75                Flatness (dB)                ±0.75 反射损耗(dB)            ≥16                  Return loss (dB)              ≥16 输入阻抗(Ω)             75                   Input impedance (Ω)           75 射频连接器类型          F型                  RF input connector  以上是1550直调有线电视光发射机MJ-801A的详细信息，如果您对1550直调有线电视光发射机MJ-801A的价格、厂家、型号、图片有什么疑问，请联系我们获取1550直调有线电视光发射机MJ-801A的新信息。