●產(chǎn)品簡(jiǎn)介INTRODUCTIONCATV光接收機(jī)是一種應(yīng)用于有線電視光纖傳輸網(wǎng)絡(luò)的設(shè)備，其主要功能是將光信號(hào)轉(zhuǎn)換成電信號(hào)，配合光發(fā)射機(jī)完成圖像、語(yǔ)音、數(shù)據(jù)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(diǎn) FEATURES◆    適合于1310nm和1550nm雙波長(zhǎng)工作窗口。Suitable for 1310nm and1550nm wavelength◆    采用PHILIPS光接收器件，PHILIPS、NEC進(jìn)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(shè)有衰減器、均衡器。Independent attenuator,balanced device for every channel.◆    具有光功率監(jiān)測(cè)LED顯示電路，便于使用維護(hù)?！?nbsp;   高可靠性開(kāi)關(guān)電源，嚴(yán)密防雷擊系統(tǒng)。High reliability on/off power，Anti-thunder system●技術(shù)指標(biāo)Technical Parameters項(xiàng)目Items單位Unit性能參數(shù)Data輸入光功率 Input Optical PowerdBm-7～ 2光反射損耗 Optical Return LossdB>60波長(zhǎng) 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(nèi)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(gè)PAL-D） Composite Triple Beat (84PAL-D)dB66載波二次差拍比（84個(gè)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(chǔ)存溫度storage temperature℃-40～ 70相對(duì)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(jī)MJ-300A的詳細(xì)信息，如果您對(duì)有線電視光接收機(jī)MJ-300A的價(jià)格、廠家、型號(hào)、圖片有什么疑問(wèn)，請(qǐng)聯(lián)系我們獲取有線電視光接收機(jī)MJ-300A的新信息。