RF input signal level dynamic range: 72~95 dBuV; AGC, automatic control exciter modulation level; Plug-in Module design,
Feature
1. RF input signal level dynamic range: 72~95 dBuV;
2. High-quality predistortion optical transmission module, RF amplifier module;
3. AGC, automatic control exciter modulation level;
4. MGC/ AGC, selectable;
5. Both MGC and AGC modes support alarming function, convenient maintenance;
6. Advanced national standard network module, remote control, intelligent management;
7. Automatic protection with red lamp alarming while RF input level exceeding the limited range;
8. Module design, plug-in installment;
9. Tilt design, convenient and reliable connection;
10. Adopt high heat transfer aluminum alloy coat comb shaped radiator ensures the heat dissipation in time;
11. Advanced gold plating RF connector.
Technical Specification
item | parameter | Remark |
Exciter type | DFB exciter | |
Output optical wave length | 1310 nm±20 nm | SJ/T10663-1995 |
Optical modulation | Direct optical intensity modulation | |
Output optical power | 4 mW~25 mW 4 mW~20 mW(C) | Selectable |
Optical connection | SC/APC | FC/APC |
Frequency range | 47 MHz~862 MHz | |
RF input signal level | 72 dBuV~95 dBuV | The nominal value is different |
C/N | ≥51 dB | 59 or 84 PAL-D Analogy TV Channels (selectable) |
C/CTB | ≥65 dB(67,M) | |
C/CSO | ≥61 dB(63,M) | |
Flatness | ±0.75 dB | |
RF input reflection loss | ≥16 dB | GB/ T11318.1 |
RF input impedance | 75Ω | |
RF connector type | F |
Downstream Optical Transmission Module GFB8xxxSM/A/C
