The CATV Optical Receiver is designed for FTTH networks ONU side to receive the 1550nm video signal.
The receiver contains an Amplitude Equilibrium circuit to offer 3dB tilt over the frequency band of 45Mhz~1000Mhz to offset the high frequency' attenuation of cable.
parameter |
Symbol |
Unit |
Min |
Typ |
Max |
Test condition |
Electrical Characteristics |
||||||
Frequency Range |
Fop |
MHz |
45 |
|
1000 |
|
RF Output Level |
Lo |
dBuv |
|
80 |
|
Note 1 |
Flatness In Band |
|
dB |
|
±1 |
±1.5 |
|
Tilt In Band |
|
dB |
|
3 |
5 |
|
Output Return Loss |
Rl |
dB |
14 |
|
|
|
Output Impedance |
Zo |
Ω |
|
75 |
|
|
CNR |
CNR |
dB |
46 |
|
|
Note 2 |
CSO |
CSO |
dB |
60 |
|
|
Note 3 |
CTB |
CTB |
dB |
65 |
|
|
Note 3 |
Optical Receive Characteristics |
||||||
AGC Dynamic Range |
PAGC |
dBm |
-6 |
|
+2 |
Note 4 |
Input Optical Power |
Popt |
dBm |
-8 |
|
+2 |
|
Optical Return Loss |
|
dB |
50 |
|
|
|
Wavelength Reflect |
l1 |
nm |
1260 |
1310 |
1360 |
|
Wavelength Reflect |
l2 |
nm |
1480 |
1490 |
1500 |
|
Wavelength Pass |
l3 |
nm |
1540 |
1550 |
1560 |
|
Isolation Com-Pass |
l1 |
dB |
30 |
|
|
|
Isolation Ref-Pass |
l1 |
dB |
50 |
|
|
|
Isolation Com-Pass |
l2 |
dB |
30 |
|
|
|
Isolation Com-Ref |
l3 |
dB |
20 |
|
|
|
Insertion Loss Reflect |
l1 |
dB |
|
|
1 |
|
Insertion Loss Reflect |
l2 |
dB |
|
|
1 |
|
Insertion Loss Pass |
l3 |
dB |
|
|
1 |
|
Note1: Optical Input Power:-6dBm,527.25 MHz, OMI=3.3%
Note2: Optical Input Power:-6dBm, 84 PAL-D channels,OMI=3.3%
Note3: Optical Input Power: +2dBm, 84 PAL-D channels,OMI=3.3%
Note4: Optical Input Power:-6dBm~+2dBm,527.25Mhz,OMI=3.3%,Output level is 80dBuV±2dB
Item
|
Receiver
|
Frequency Range
|
Optical AGC Range
|
Output Level
|
Output ChannelControl
|
AppliedRange
|
ZBL54180RB
|
WDM-PD
|
45MHz~1000MHz
|
-8dBm~2dBm
|
80dBuV
|
with
|
FTTH
|
ZBL54102RB
|
WDM-PD
|
45MHz~1000MHz
|
-8dBm~2dBm
|
102dBuV
|
without
|
FTTB
|