Feature
1. One-way optical receiving, one-way RF output;
2. High sensitivity optical power receiving, we dynamic range and high-performance RF output;
3. MGC/ AGC, selectable;
4. Both MGC and AGC modes support alarming function, convenient maintenance;
5. Advanced gold plating RF connector;
6. Imported optical receiver, RF amplifier module;
7. Advanced national standard network module, remote control, intelligent management;
8. NC attenuation technology, control the modulation level of exciter precisely;
9. Module design, plug-in installment;
10. Tilt design, convenience connection,and reliable
Technical Specification
Item | Parameter | Remark | |
Input optical power range | -12 dBm~ 0 dBm | SJ/T 10663-1995 | |
Optical return loss | >45 dB | SJ/T 10663-1995 | |
Equivalent optical input noise current | ≤8 PA/ | SJ/T 10663-1995 | |
Standard optical wave length | 1310 nm, 1550 nm |
| |
Optical connection | SC/APC | FC/APC | |
Frequency ranage | 5 MHz~300 MHz |
| |
Flatness | ±0.75 dB |
| |
RF output signal level | ≥110dBµV(max) | MGC (optical power -2dBm) | |
95±2 dBμv | AGC | ||
Nonlinearity distortion (Remark) | C/CTB | ≥75 dB | GY/T-143-2000-6.2.7 |
C/CSO | ≥70 dB | GY/T-143-2000-6.2.7 | |
RF output impendence | 75Ω |
| |
RF output return loss | ≥16 dB (5-300)MHz | GB/T11318.1 |
Downstream Optical Receiving Module GSB811