1310nm optical transmitter

SUMMARYBEST-1310nm-OT-AUTO series laser transmitter, the main equipment to build Cable TV HFC network, is mainly used in transmitting the TV image signal, digital TV signal, TV voice signal, and digital signal (compressed signal) in a long distance. The equipment chooses the excellent DFB laser as light source and the frequency part adopts the perfect auto processing techniques and advanced predistortion circuit, with the perfect microprocessor auto monitored control system inside, to ensure it the most optimized units for the CATV network operators.FEATURES1.ORTEL, FUJITSU DFB laser2.Automatic Gain Control3.Manual Gain Control4.Plug-in predistortion board5.Automatic Power Control6.19”standard mount rack7.RS485t and RS232 interface8.Net management softwareIII BLOCK DIAGRAMPower input MGC modulate LCD Net management interface Switch power supply MPU APC circuit ATC circuit RF level test AGC modulate AGC\MGC switchRF test DFB Optical output Predistortion circuit Drive-by-wire attenuation Pre-amplify RF in Power amplify IV TECHICS PARAMETERS ITEMSUNITSPARAMETERSOptical output powermW2 26Optical output wavelengthnm1310±20Laser typeDFBOptical modulationDirect optical modulationOptical adaptor typeFC\APC or SC\APCFrequency range47-750MHz-870MHzRF input leveldBuV80±5Flatness in banddB±0.75RF input impedanceΩ75Return lossdB(47 550Mhz) ≥16, (550 870Mhz) ≥14CNRdB≥51CTBdB≥65CSOdB≥60AGC rangedB±8MGC rangedB±8Operating voltageV90 275Operating currentA0.18Relative humidity%MAX95% NoncondesationOperating temperature°C-10 +50Pigtail fiber connectionsFC/APC or according to users’ requirementsDimensionsmm483*385*44