The image shows the Sharp Vision FTFA 844, a professional-grade fiber transmitter combined with a fiber amplifier designed for DC FTTH (Fiber to the Home) networks. This control room device is used for high-quality video and internet distribution over fiber optic cables
Core Functionality
- Dual Operation: It functions as both an optical transmitter and a fiber amplifier.
- Automatic Switchover: Features an automatic changeover from RF input to optical input (and vice versa) to ensure continuous signal delivery.
- Laser Technology: Built with high-quality DFB (Distributed Feedback) lasers equipped with isolators to maintain signal integrity
Key Specifications
| Feature | Details |
|---|---|
| Output Power | 10 x 4 dBm (for the FTFA 844 model) |
| Optical Wavelength | 1310nm standard (1550nm available on request) |
| RF Input Level | 78dB ~ 90dB |
| Optical Input | -8dBm ~ +2dBm |
| Bandwidth | 47 ~ 860 MHz |
| Power Supply | SMPS 110V AC to 265V AC (approx. 50W consumption) |
Advanced Features
- Control System: Microcontroller-based with an LCD display that monitors all critical parameters.
- Gain Control: Supports both AGC (Automatic Gain Control) and manual control to achieve high MER/BER (Modulation/Bit Error Ratio) with low noise.
- Durability: Includes a cooling fan and RF pre-distortion circuits for consistent performance and longer laser life.