SK-OT-1550 1550nm Externally Modulated Optical Transmitter
Features
Overview
SK-OT-1550 series 1550nm externally modulated optical transmitter adopts low-noise 1550nm DFB laser, LiNb03 external modulator, advanced pre-distortion technology and perfect microprocessor automatic real-time monitoring circuitry to ensure high performance.
Features
● Adopts SBS/SPM to insure excellent C/CTB,C/CSO.
● RF AGC/MGC control.
● Incorporates multi-frequency RF pre-distortion circuitry to improve C/N ,CTB and CSO.
● With standard RS-485/RS-232 interface, remote monitor conveniently.
Block Diagram
Specification
Specifications
|
Items |
Units |
Specifications |
|
|
RF |
|||
|
Bandwidth |
MHz |
47~862 |
|
|
RF input level |
dBµV |
75~85 |
|
|
Flatness, peak-to-valley |
dB |
≤±0.75 |
|
|
Impedance |
Ω |
75 |
|
|
Return loss |
dB |
>16 |
|
|
Optical |
|||
|
Wavelength |
nm |
1550±5 |
|
|
Output power |
dBm |
5,7,8,9 |
|
|
Optical return loss |
dB |
≥45 |
|
|
Optical output port |
--- |
2 |
|
|
Performance |
|||
|
CNR |
dB |
≥53* |
|
|
CSO |
dB |
≥65* |
|
|
CTB |
dB |
≥65* |
|
|
SBS |
dBm |
13,16,18,19 (optional) or adjustable |
|
|
Power |
|||
|
Power supply |
V |
90~260 |
|
|
Power consumption max. |
W |
60 |
|
|
Physical |
|||
|
Optical connector type |
--- |
FC/APC or SC/APC |
|
|
RF connector type |
--- |
3/8″ |
|
|
Dimension |
mm |
483×420×45 |
|
|
Packing dimension |
mm |
535×470×130 |
|
|
Gross weight |
Kg |
5 |
|
|
Operating temperature |
℃ |
+5~+40 |
|
