INFORMATION
Description
BD-OP-SAT satellite
optical transmitter adopts high linearity cooling DFB laser, direct
modulated. Realize the
simultaneous transmission of 47-862MHz CATV signal and 960~2600MHz satellite
direct TV signal in one optical fiber.
BD-OP-SAT
satellite optical transmitter can use ITU standard wave length and DWDM to
realize network upgrade and expansion. Its optical power can be amplified by
EDFA and YEDFA, achieve large area FTTH. It can be compatible with FTTxPON
technology to realize FTTH and the multi-network integration of CATV (Analog
and Digital TV), Satellite Television (DVB-S) and Internet.
BD-OP-SAT adopts 1U 19” standard rack, microprocessor controls the
working parameters, front panel LCD provides status display and fault
diagnosis. Standard RJ45 communication interface, with SNMP network management
function. Built-in perfect laser APC and ATC control circuit to ensure the long
working life and high reliable work of the laser.
SAT-IF adopts high linearity IF driving amplifier circuit with AGC
function to ensure the high quality transmission of Analog TV, Digital TV (DVB-C,
DVB-T) and Satellite TV in one optical fiber.
Block Diagram
Front Panel
|
1
|
Power indicator
|
2
|
Run indicator
|
3
|
Laser working indicator
|
|
4
|
RF input indicator
|
5
|
LCD
|
6
|
ESC
|
|
7
|
Down
|
8
|
Up
|
9
|
Enter
|
|
10
|
Laser switching
key
|
11
|
RF input test port
|
|
|
Rear Panel
|
1
|
Fan outlet
|
2
|
RF signal input port
|
3
|
Voltage output switch
|
|
4
|
+18V indicator
|
5
|
+12V indicator
|
6
|
RS232 interface
|
|
7
|
LAN interface
|
8
|
Optical output interface
|
9
|
Power socket
|
|
10
|
Power socket
|
11
|
Ground stud
|
|
|
Applications
● One optical fiber transmit CATV and SLDTV
● FTTxPON (EPON, GPON)
Technique Parameters
|
Performance
|
Index
|
Unit
|
Remark
|
|
Optical Characteristics
|
|
Laser
Type
|
DFB
|
|
Specified by the user
|
|
Optical
Wavelength
|
1310,
1550 or specified
by the user
|
nm
|
Specified by the user
|
|
Output
Optical Power
|
2,
4, 6, 8, 10
|
mW
|
Specified by the user
|
|
Output
Return Loss
|
50
|
dB
|
|
|
Optical
Connector Type
|
SC/APC
or FC/APC
|
|
Specified by the user
|
|
CATV RF Characteristics
|
|
Working
Bandwidth
|
45-862
|
MHz
|
|
|
Input Range
|
75~85
|
dBμV
|
Input
level
|
|
Flatness
|
±1
|
dB
|
|
|
Input
Return Loss
|
14
|
dB
|
|
|
C/N
|
≥51
|
dB
|
42CH
CENELEC 80dBμV AGC OMI=3.8%
|
|
C/CTB
|
≥63
|
dB
|
|
C/CSO
|
≥58
|
dB
|
|
Input
Impedance
|
75
|
Ω
|
|
|
RF Connector
|
F type
Male/Female
|
|
Specified by the user
|
|
SAT-IF
Characteristics
|
|
Working Bandwidth
|
950~2600
|
MHz
|
|
|
Input Range
|
68~83
|
dBμV
|
Input level
|
|
Flatness
|
±1
|
dB
|
|
|
Input Return Loss
|
10
|
dB
|
|
|
C/IM3
|
≥55
|
|
Note1
|
|
General
Characteristics
|
|
Power Supply (AC)
|
110~265
|
V
|
Optional dual power
|
|
Consumption
|
20
|
mW
|
|
|
SNMP network management interface
|
RJ45
|
|
|
|
Working Temperature
|
0~50
|
°C
|
|
|
Storage Temperature
|
-40~60
|
°C
|
|
|
Dimension (W)*(D)*(H)
|
1U 19 inch
483*395*44
|
mm
|
|
|
Note1: C/IM3 is defined as the ratio between the
peak of carrier signal and triple beat (IM3) by using a two-tone test (1.0GHz
and 1.1GHz).
|
Related Links:
Satellite TV over Fiber to the Home Solution
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