LMR400介绍:
LMR系列电缆最初是由美国引入的,覆盖DC-6G,低损耗、大功率、柔性好的射频同轴电缆,并针对室内、野外使用该电缆本身有额外的环境保护措施,被广泛应用于3G通信基站、RFID系统、卫星通信系统、军用通信以及一些一些需要低成本的雷达上。
50欧低损耗超柔软LMR系列同轴电缆性能优越,超越国外品牌,价格极具优势,现货供应。
标注尺寸--Dimensions
Diameter Over Dielectric | 7.240 mm | 0.285 in |
Diameter Over Jacket | 10.290 mm | 0.405 in |
Inner Conductor OD | 2.740 mm | 0.108 in |
Nominal Size | 0.400 in |
Outer Conductor OD | 8.080 mm | 0.318 in |
电气特性--Electrical Specifications
Cable Impedance | 50 ohm |
Capacitance | 78 pF/m | 24 pF/ft |
dc Resistance, Inner Conductor | 4.490 ohms/km | 1.370 ohms/kft |
dc Resistance, Outer Conductor | 5.610 ohms/km | 1.710 ohms/kft |
dc Test Voltage | 3000 V |
Jacket Spark Test Voltage (rms) | 8000 V |
Maximum Frequency | 16.20 GHz |
Operating Frequency Band | 30 – 6000 MHz |
Peak Power | 16.0 kW |
Shielding Effectiveness | >90 dB |
Velocity | 0.85 |
频响特性--Performance
Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) |
30 MHz | 2.49 | 0.76 |
50 MHz | 3.18 | 0.97 |
150 MHz | 4.92 | 1.5 |
220 MHz | 6.23 | 1.9 |
450 MHz | 8.86 | 2.7 |
900 MHz | 12.8 | 3.9 |
1500 MHz | 16.7 | 5.1 |
1800 MHz | 18.4 | 5.6 |
2000 MHz | 19.4 | 5.9 |
2400 MHz | 21.65 | 6.6 |
2500 MHz | 22 | 6.7 |
3000 MHz | 24.6 | 7.5 |
4000 MHz | 28.87 | 8.8 |
4500 MHz | 30.84 | 9.4 |
5000 MHz | 32.81 | 10 |
5200 MHz | 33.46 | 10.2 |
5500 MHz | 34.78 | 10.6 |
5800 MHz | 35.76 | 10.9 |
6000 MHz | 36.42 | 11.1 |