FTTH CATV Optical Receiver User Manual
Performance
Index
Supplement
Optic Feature
CATV Work
wavelength
(nm)
1540~1563
Pass wavelength
(nm)
1310, 1490
Channel Isolation
(dB)
≥40
1550nm &1490nm
Responsibility
(A/W)
≥0.85
1310nm
≥0.9
1550nm
Receiving power
(dBm)
+2~-18
Analog TV (CNR>45dB)
+2~-20
Digital TV (MER>30dB)
Optical return loss
(dB)
≥55
Optical fiber
connector
SC/APC
RF Feature
Work bandwidth
(MHz)
47~1000
Flatness
(dB)
≤±0.75
47~1000MHz
Output level
(dBμV)
>78
Pin=-1~-14dBm AGC
Return loss
(dB)
≥14
47 ~ 862MHz
Output impedance
(Ω)
75
Output port Number
1
RF tie-in
F-Female
Analog TV
Link Feature
Test channel
(CH)
59CH(PAL-D)
OMI
(%)
3.8
CNR1
(dB)
53.3
Pin=-2dBm
CNR2
(dB)
45.3
Pin=-10dBm
CTB
(dB)
≤-61
CSO
(dB)
≤-61
5.0 TECHNICAL INDEX
