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

Items Unit  Parameters

Optical part

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

RF part

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

RF MGC adjustable range

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

dB

≥ 48 550MHZ 59CH analog signal 77dBuV/CH

550-870MHZ 40CH digital signal 67dBuV/CH

25 Km, -1dBm input

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