1310nm Optical Transmitter
1U 19’ standard case with liquid crystal display (LCD/VFD) in front panel;
Frequency bandwidth: 47—750 / 862MHz;
Output power from 4 to24mw;
Advanced pre-distortion correction circuit;
AGC/MGC;
Automatic power control (APC) and Automatic temperature control (ATC) circuit.
Technique Parameter Optical part RF part RF MGC adjustable range dB 550-870MHZ 40CH digital signal 67dBuV/CH 25 Km, -1dBm input
Items
Unit
Parameters
Optical Wavelength
nm
ITU wavelength
Laser Type
Butterfly-typed DFB laser
Optical modulation mode
Directly Optical Intension Modulation
Optical Connector Type
FC/APC or SC/APC
Output optical power
mW
10 The insertion loss of the VOA and CWDM is excluded
External optical signal input
dBm
-5~10
Frequency range
MHz
47~870/1003/1218
RF input level
dBuV
77± 5
Flatness in band
dB
± 0.75
Input return loss
dB
≥ 16
RF AGC control range
dB
±5
dB
0~20
RF input isolation
dB
≥50
Isolation between two RF inputs
RF input test port
dB
-20±1
Laser drive level test port
dB
-20±1
Electronically controlled optical attenuator tolerance
dB
≤1: ATT 0-15dB
≤3: ATT 16-20dB
CNR
≥ 48
550MHZ 59CH analog signal 77dBuV/CH
C/CSO
≥ 58
C/CTB
≥ 63
MER
dB
≥ 40
25 Km, -1dBm input, 96CH digital 77dBuV/CH
≥ 39
50 Km, -1dBm input, 96CH digital 77dBuV/CH
Application FTTH network CATV network