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internal modulation transmitter TO-1550I
internal modulation transmitter TO-1550I applied the multi-channel transmission,has the chirp and dispersion compensation inside
internal modulation transmitter TO-1550I
Summary:
When 1550nm internal modulation transmitter is applied in the multi-channel transmission, the lasers chirp effect will react with the link dispersion of the fiber. There will be distortion on the receiver. If working with the EDFA, there will be serious CSO deterioration. The distortion and deterioration will increase with the longer distance and more channels.
Topu1550nm internal modulation CATV optic transmitter, has the chirp and dispersion compensation inside, and improves the system index greatly. It can be used in the town where the fund is shortage and the distance is less than 10Km as a transition solution.
Characteristic:
1Low chirp effect, high linearity DFB laser
2Dual Module therefore drive, chirp compensation
3Laser OMI AGC/MGC
4Intuitional modulation status display
5Dual power supply inside backup. Full-automatically swicth
6Full-automatically control of casing temperature
Parameters
Performance | Index | Supplement | ||
Optic feature | Laser wavelength | (nm) | 1550±10 |
|
Linearity width | (MHz) | ≤1 | (λ) | |
Equivalent noise intensity | (dB/Hz) | ≤-160 | RIN (20~1000MHz) | |
Side mode suppression ratio | (dB) | ≥35 | SMSR | |
Extinction ratio | (dB) | ≥20 | Xp | |
Output power | (dBm) | 2×7 | 1×71×102×62×7 | |
SBS restrain | (dBm) | ≥17 |
| |
Return loss | (dB) | ≥60 |
| |
Optic fiber connector |
| FC/APC | SC/APC or E-2000 | |
RF feature | Work bandwidth | (MHz) | 45-862 |
|
Input level | (dBmV) | 18~28 | AGC | |
Flatness | (dB) | ≤±0.75 | 45~862MHz | |
Return loss | (dB) | >16 | 45~750MHz | |
Input impedance | (Ω) | 75 |
| |
Link feature | Transmit channel |
| PAL-D/60ch |
|
CNR | (dB) | ≥51 | 10Km optic fiber,0dBm receive | |
CTB | (dB) | ≤-65 |
| |
CSO | (dB) | ≤-60 |
| |
| ||||
General feature | Network interface port |
| RJ45,R232 | Support I.E. & SNMP |
Power supply | (V) | 90~265 city power | -48VDC optional | |
Power Consume | (W) | ≤50 | Single power works | |
Work temp. | () | -5~65 | Machine temp controlled automatically | |
Storage temp. | () | -40~85 |
| |
Work relative temp. | (%) | 5~95 |
| |
Size | (") | 19×10×1.75 | (W)x(D)x(H) | |
