1.we can provide OEM 2.applicable to high-end users. 3.perfect adjustable SBS 13-19db
Features
1. YOT-1550nm External Modulation Optical Transmitter is a high quality, flexibility and reliability catv product. 3. Both the external modulator and laser are imported from the United States or Japan.
2. Perfect pre-distortion circuit ensures the best CTB and CSO when the CNR is in high standard.
3. Perfect SBS suppress circuit and adjustable SBS 13-19db, suitable for different types of CATV net.
4. Both the external modulator and laser are imported from the United States or Japan.
5. Automatically shell temperature control.
Optical parameterLaser type | 1550nm DFB LD |
Optical wavelength | 1550nm±10nm or ITU-grid |
Noise level | ≤-160dB/Hz |
Optical Connector | SC /APC FC/APC |
Output Optical Power | Optional |
Optical output path | 2 balanced output |
SBS suppression threshold | 13—19dBm |
RF bandwidth | 45 -870MHz |
RF input impedance | 75Ω |
Test point | 15±1dBmV/ch(under AGC mode @77channels loading) |
RF input return loss | ≤-16dB |
RF interface type | F type female |
RF input voltage
| 15 to 25dBmV/ch with AGC control, OMI/ch=3%±0.25% |
Flatness | ±0.75dB |
CNRNote1 | >54dB |
CNRNote2 | >52dB |
CSO @60 CH.PAL-D | ≤-65dBc |
CTB @60 CH.PAL-D | <-65dBc |
XM | ≤-65dBc |
Power supply | 90 ~260VAC,50/60Hz |
Power | 65W(Max) |
Working temperature | 0°C~+50°C |
Storage temperature | -20°C~+60°C |
Humidity | 85% MAX |
Dimension | 490D X 485W X 45H(mm) |
Weight | <6kg |
CATV 1550nm external modulation optical transmitter