1550nm optical fiber transmitter

Specifications

1.Products introduction:
The transmission technology of optical fiber in 1550nm wavelength combined with WDM will have a good future in the area of CATV, because of the matured technlology of EDFA, it will reduce the number of Transmitter and the price is also an important virtue.

2.Products type:
1550nm optical transmitter with single optical port
1550nm optical transmitter with double optical ports

3.Products capability:
Used imported DFB laser with low noise,high power;
Used high reliability on/off power, automatic temperature control (ATC) and automatic power control (APC);
With LCD display, real time display output optical power;
With computer monitoring function, standard RS485 communicative interface and Ethernet interface;
With output optical power higher than 7dB
With SBS restraint range to 18dB

4.Technology specification:

System RF feature:
C/N (dB)≥53
CSO (dB)≤-65
CTB (dB)≤-65

Optical specifications:
Output wave-length (ITU-T):540-1560nm
The range of tuning wavelength:<0.3MHz
Flatness (dB)≤±0.75dB(50-600 MHz)
Optical output power (dBm)≥7dBm/port
SBS restraint range (dBm):16.5 dBm-18 dBm(tunable)
RF specifications:

RF Bandwidth (MHz):47~1000
RF input level (dBμv):78-88
Noise bandwidth:5 MHz
impedance (Ω):75
Return loss (dB):≥16(<550m) ≥14(>550m)