●產品簡介INTRODUCTIONCATV光接收機是一種應用于有線電視光纖傳輸網絡的設備，其主要功能是將光信號轉換成電信號，配合光發射機完成圖像、語音、數據的傳送和接收。 CATV optical receiver can be used in CATV HFC network transmitting, its function is to convert optical signals into electric signal, transmit and receive the video, voice, data with optical transmitter.●性能特點 FEATURES◆    適合于1310nm和1550nm雙波長工作窗口。Suitable for 1310nm and1550nm wavelength◆    采用PHILIPS光接收器件，PHILIPS、NEC進口低噪聲前置模塊和功率倍增模塊放大。Adopt  PHILIPS( optional) receive device, imported low noise pre-module and power double magnify module by PHILIPS and NEC◆    二路/四路高電平射頻輸出。Two or four radio frequency of high level output channel◆    每路設有衰減器、均衡器。Independent attenuator,balanced device for every channel.◆    具有光功率監測LED顯示電路，便于使用維護。◆    高可靠性開關電源，嚴密防雷擊系統。High reliability on/off power，Anti-thunder system●技術指標Technical Parameters項目Items單位Unit性能參數Data輸入光功率 Input Optical PowerdBm-7～ 2光反射損耗 Optical Return LossdB>60波長 Wavelengthnm1100～1600光連接器 Optical Fiber Connector FC/APC　SC/APC光纖類型 Operating Fiber Type One Pattern工作頻帶 Operating Frequency BandMHz47～860帶內平坦度 Flatness In BanddB±0.75輸出電平 Output LeveldBμV108載噪比 C/N Carrier To Noise RatiodB≥51載波三次差拍比（84個PAL-D） Composite Triple Beat (84PAL-D)dB66載波二次差拍比（84個PAL-D） Composite Second Order (84PAL-D)dB61反射損耗 Return LossdB≥16輸出阻抗 Output ImpedanceΩ75輸入電壓范圍 Input voltage rangeVAC: 110-260V or 35-70V功耗 power consumptionW≤40抗雷擊能力 Thunder Stroke ImmunityKV5(10/700μS)工作溫度working temperature℃-20～ 50儲存溫度storage temperature℃-40～ 70相對濕度relative humidity No concreting in 15-95%重量weightKg≤6.5以上是有線電視光接收機MJ-300A的詳細信息，如果您對有線電視光接收機MJ-300A的價格、廠家、型號、圖片有什么疑問，請聯系我們獲取有線電視光接收機MJ-300A的新信息。