TFR7800Q Оптический приемник

Features Perfect surge suppression circuitry, improved the anti-lightning strike and the prevention of lightning surge shocksInput stage adopt imported low-noise GaAs amplifier, output stage adopt imported CATV high-performance, high reliability GaAs power multiplier module,greatly improved the C/N and non-linear distortion characteristics while significantly reducing the power consumptionRigorous reliability test,MTBF >100,000 hoursPhotodetector: high-quality device which responsiveness is greater than 0.9A/WReceive optical power digital tube display, easy for on-site debugging and maintenanceOptical AGC function,receive at +1dBm -6dBm, the output level unchange;the output stability is ±0.5dBRF output level fixed-adjustable,slope adjustable; all use attenuation inserts form for regulation1 2 output ports optional,branch/ distribution optionalReserve GB network management interface Class II transponder,easy for on-site upgrade directlyDiagram Specifications Optical ReceiverItemUnitDescriptionRemark OpticalOptical Wavelength nm1290 1560 Optical Connector Type FC/APC or SC/APC Received Optical Power Range dBm+2 -8 Optical AGC Control Range dBm+1 -6 RFFrequency Range MHz47 860(1000) Flatness dB±0.75 RF Ports 1 2 Branch/Distribution Optional Nominal Output Level(received optical power is +1 -6dBm) dBuV112 Single output port 108 Dual-output port RF Output Impedance Ω75 Gain Adjustment Range dB0 20 Continuous or step adjustable Slope Adjustment Range * dB0 18 1dB step Output Return Loss dB≥16 Bandwidth within 860MHz Link Index(Remark 1)C/N dB>46 Optical receive power -6dBm,equilibrium 9dB,Single-port level 110dBuV flat output CTB dBc>70 CSO dBc>65 GeneralDimension mm470×250×180 Voltage Vac220 or 60 Power Consumption VA<14 Operating Temperature °C-25 +55 Storage Temperature °C-25 +65 Weight Kg2.5 Remark 1:Add arranged 60 PAL-D analog TV channels and 35 IPQAM digital modulation signals, and the level lower than analog carrier 10dB