电气性能 | |||||
项目 | QR320 | QR412 | QR500 | QR540 | Seamless 500 |
特性阻抗(Ω) | 75 ± 2 | 75 ± 2 | 75 ±2 | 75 ± 2 | 75 ± 2 |
电容(pF/m) | 52.0±3.0 | 50.0±3.0 | 50.0±3.0 | 50±3.0 | 50±3.0 |
速率(%) | 86 | 86 | 86 | 86 | 86 |
工作温度范围(℃) | -25～+70（PVC） -40～+70（PE） | ||||
衰减20℃ | ||||||
衰减 dB/100m | 频率 MHz | QR320 | QR412 | QR500 | QR540 | Seamless 500 |
5 | 0.79 | 0.65 | 0.52 | 0.46 | 0.52 | |
211 | 5.86 | 4.43 | 3.58 | 3.12 | 3.58 | |
350 | 7.38 | 5.38 | 4.69 | 4.04 | 4.69 | |
450 | 8.27 | 6.72 | 5.35 | 4.63 | 5.35 | |
865 | 11.87 | 9.87 | 7.68 | 6.56 | 7.68 | |
1000 | 12.76 | 10.73 | 8.27 | 7.12 | 8.27 | |
回波损耗 | 5~300 | 26 | 26 | 26 | 26 | 26 |
300～1000 | 24 | 24 | 24 | 24 | 24 | |
