Fiber Optical Receiver,High gain with (GaAs) module also with good performance of CTB\COS .

HH-FN-870-4 Fiber Optical Receiver .With the high quality photoelectric module and gallium arsenide (GaAs) power multiplication amplification module, it allows implementing Fiber To The Building/Direct to Home. The lightning protection and surge voltage protection are provided for the RF output. It takes four way RF level outputs for more economical and convenient. The return path transmit module is optional in this model, and the service of return transmission can be activated at four ports.
Characteristics
�� Two working windows of 1310nm and 1550nm;
�� 750MHz and 860MHz options
��variety power are optional: AC60V, AC220V, DC-48V and so on
�� A variety of optional plug-in units: plug-in attenuator, plug-in equalizer, plug-in branch distributor, and return path transmit module flexible in configuration. Use the design of the plug-in units, convenient for the maintenance and network update.
�� Internationally advanced passivating treatment and double layer waterproof process are used in the outdoor type die cast casing with beautiful shape, resistant to corrosion and aging, good in heat dissipation, water impermeability and electromagnetic shield.

Important technology data:
ITEM UNITS PARAMETER
Optical Parameter
Optical Input power dBm -6~+2(Recommend: -3~+1)
Optical Wavelength nm 1100~1600
Optical Fiber Connector FC/APC(SC/APC Optional)
Optical Return Loss dB ?45
Fiber Type single model
RF Parameter
Bandwidth MHz 47~860 or 54~860 or 87~860
Flatness dB ? ��0.75
Output Return Loss dB ?16(47~550); ?14(550~860)
Output Impedance �� 75
Standard Configuration Output Level dB��V ?106
Maximum Output Level dB��V
110
Interstage Gain Ajustment dB Adjustable:0~18
InterstageSlope Ajustment dB EQ Fixed Insert:-6 or user assigns
Distortions
C/N dBc ?51
CSO dBc ?-65
CTB dBc ?-68
Test conditons: input PAL-D of 59 channel,standard optical transmitter input RF is 80dB��V,optic road is10Km,fiber add up fiber variable attenuator ,the input optic power of test receiver is-1dBm.
Others
Voltage Power(V) AC 110~265 or AC40~90
Power loss(W) ?36
Anti-thunderstroke voltage(KV) 5(10/700mS)
Working temperature() -40+55
Storing temperature() -40+70
Housing Dimensions(mm) 315 ��250��130
Weight(Kg)

B.Return Path
Optical Parameter
ITEM UNITS PARAMETER
Laser FP or Non-cooling DFB
Optical output power mW 0.5, 1, 2
Optical connector FC/APC,SC/APC
Fiber type single model
RF Parameter
Bandwidth MHz 5~35 or 5~42,5~65
Flatness dB ? ��1
Input Return Loss dB ?14
Input Impedance �� 75