China CATV Bi-Directional Waterproof Trunk Amplifer, Find details about China Catv Amplifier, Signal Amplifier from CATV Bi-Directional Waterproof Trunk Amplifer
| Item | Unit | Technical Parameter | |||||
| Forward Path | |||||||
| Frequency range | MHz | 47/85 ~ 1000 | |||||
| Rated gain | dB | 30 | 34 | 36 | 38 | 40 | |
| Minimum full gain | dB | ≥30 | ≥34 | ≥36 | ≥38 | ≥40 | |
| Rated input level | dBμV | 72 | |||||
| Rated output level | dBμV | 108 | |||||
| Flatness in band | dB | ±0.75 | |||||
| Noise figure | dB | ≤10 | |||||
| Return loss | dB | ≥16 | |||||
| Attenuation | dB | 1-18 (Fixed insert,1dB stepping) | According to user requirements | ||||
| Equilibrium | dB | 1-15(Fixed insert,1dB stepping) | |||||
| C/CTB | dB | 65 | Test condition: 79 channels signal, output level: 85MHz/550MHz/860MHz. 99dBuV/105dBuV/108 dBuV | ||||
| C/CSO | dB | 63 | |||||
| Group delay | ns | ≤10 (112.25 MHz/116.68 MHz) | |||||
| AC hum modulation | % | < 2% | |||||
| Gain stability | dB | -1.0 ~ +1.0 | |||||
| Return Path | |||
| Frequency range | MHz | 5 ~ 30/45/65 | |
| Rated gain | dB | ≥20 | |
| Minimum full gain | dB | ≥22 | |
| Maximum output level | dBμV | ≥ 110 | |
| Flatness in band | dB | ±0.75 | |
| Noise figure | dB | ≤ 12 | |
| Return loss | dB | ≥ 14 | |
| Carrier to Second-order Inter-modulation Ratio | dB | ≥ 52 | Test Condition: Output level is 110dBuV, test points: F1=10MHz,f2=60MHz,f3=f2-f1=50MHz |
| Group delay | ns | ≤ 20 (57MHz/59MHz) | |
| AC hum modulation | % | < 2% | |
| General Performance | |||
| Characteristic impedance | Ω | 75 | |
| Test port | dB | -20±1 | |
| Power supply voltage | V | A:AC(135 ~ 250)V;B:AC(35 ~ 90)V | |
| Impulse Withstand Voltage(10/700μs) | kV | > 5 | |
| Power consumption | W | 35 | |
| Dimension | mm | 320*200*140 | |