CATV Direct Modulation 1550nm Optical Transmitter With 4~10mW Output Power
1550nm CATV direct modulation optical transmitter with 4~10mW output power
Product Overview
1550nm external optical transmitter adopts international laser with low noise, narrow line width and continuous-wave as power supply, and high linearity LiNbO3 external modulator as signal modulator.With excellent SBS restrain design, it will be able to be adjust by user as their situations.RJ45 network interface and 19’’ 1U standard frame.its long-distance transmission is available. Adjustable SBS threshold guarantees more elastic placement.It can simultaneously restrain SBS and SPM, and it both can enlarge power of fiber transmission and remain linearity.Adjustable range of SBS threshold is 13,16 and 19dBm,
Technical Parameters
The technical parameters marked in this manual are the results of tests conducted in accordance with the test conditions and methods specified in the GY/T143-2000 "specifications and methods of measurement on AM optical transmitter and receiver used in CATV systems"
| Item | Unit | Parameter |
| Product Name | 2 Output 9dBm External Modulated 1550nm Optical Transmitter With SBS Support RJ45 | |
| Optical Wavelength | nm | 1550 + 5(ITU-T) |
| Fiber Interface Type | FC/APC , SC/APC | |
| Optical modulation | External | |
| Optical Output Power | dBm | 2×7,2*8,2×9 alternative |
| SBS Threshold | dBm | 13/ 16/ 19 continuously adjustable |
| Frequency Range | MHz | 47 ~ 1000 |
| RF Input Level | dBμV | 75 ~ 85 |
| Flatness in Band | dB | + 0.75 |
| Input return loss | dB | ≥16 |
| C/CTB | dB | ≥65 |
| C/CSO | dB | ≥65 |
| C/N | dB | ≥52 |
| Power consumption | W | 60 |
| Network management transponder | II Type | |
| Size | mm | 483 * 468 * 44 |
APPLICATION
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