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Marrës optikë CATV
Mini WDM Fiber Optic Receiver
Marrës optik mini WDM për FTTH, 1 dalje, 47–1000 MHz, ushqim 12 V DC.
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Specifikime teknike
FTTH mini WDM optical receiver,1 output ports, wavelength:1290~1600, frequency:47-1000MHz, imperial F type female port, SC/APC connector, rated output level 82dBuV (input optical power -8dBm), 12V/DC
Features
- Built-in CWDM, RFTV operating in 1550nm wavelength, reach GEPON ONU through 1310/1490nm wavelength.
- Extra-low noise (3.5% modulate,-10dBm receive, CNR ≥ 45dB).
- AGC control, output level keeps stable as 85dBuV @-7~-2dBm receiving
- Good linearity index when receiving optical power in the range of -12~+3dBm.
- RF output level adjustable.
- Compact design.
- Good heat dissipation.
- Low power consumption.
Description
Desktop home optical receiver is specially designed for FTTH application scene. It adopts MMIC amplifying circuit to ensure excellent CTB,CSO and C/N data within -8~0dB input optical power. Mainly used in CATV HFC system, converting the received CATV RF optical signal to electric signal.
Parameter
| No. | Item | Description |
| Optical part | ||
| 1 | Input optical wave length | 1290÷1600nm |
| 2 | Output optical wave length | 1310±20nm/1490±20nm |
| 3 | Isolation | 1490nm to 1550nm RX ≥40dB 1310nm to 1550nm RX ≥40dB |
| 4 | Insertion loss(between input and output) | ≤1.5dB@1310nm&1490nm |
| 5 | Receiving responsibility | ≥0.9A/W@1550nm |
| 6 | Input optical power | ≥-8dBm~0dBm@1550nm |
| 7 | Optical interface reflection loss | ≥45dB |
| RF part | ||
| 8 | RF bandwidth cover range | 47~1000MHz |
| 9 | RF output resistance | 75Ω |
| 10 | Flatness | ±1.5dB |
| 11 | Output reflection loss | ≥13dB(47~1000MHz) |
| 12 | Maximum output level | 82±2dBuV@-6dBm |
| 13 | Nominal output level | 75dBuV@-6dBm |
| 14 | MER | ≥32dB@-6dBm (60 64QAM signal) |
| 15 | CNR(Note1) | ≥45dB@-6dBm |
| 16 | CTB(Note1) | ≥65dB@-6dBm |
| 17 | CSO(Note1) | ≥65dB@-6dBm |
| 18 | Input power | +12VDC±3% |
| 19 | Power consumption | ≤5W |
| 20 | O-ALM state indicate LED | Green often bright: Input optical power is within receiving range(-6dBm±0.5dB~0dBm) Red often bright: Input optical power is lower than receiving bottom limit (-8.5dBm±0.5) |
| 21 | PWR state indicate LED | Green often bright: the inner power supply circuit of the receiver is normal. Turn off: The inner power supply circuit is abnormal or without external input. |
| 22 | Manual gain adjustment range | ≤-20dB~0dB |
| 23 | Dimension | 113×50×22mm |
Note1:60 CH (PAL-DK), Pin -6dBm, Nominal output level 75dBuv,3 EDFA with noise figure 5dB, 65Km, Composite OMI 18.9%.
Applications
HFC/CATV network
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