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[同軸電纜] 高周波同軸電纜規(guī)格整理
P:2007-10-19 11:21:30
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高周波同軸線規(guī)格(RG Type)
線 纜 型 號 | RG-8/U | RG-8A/U | RG-11/U | RG-11A/U | RG-55/U | RG-58/U | RG-58A/U | RG-58C/U | ||
內部導體 | 規(guī) 格 (mm) | 7/0.724 | 7/0.724 | 7/0.404 | 7/0.404 | 1/0.813 | 1/0.813 | 19/0.18 | 19/0.18 | |
材 質 | A | A | T | T | A | A | T | T | ||
絕 緣 體 | 材 質 | PE | PE | PE | PE | PE | PE | PE | PE | |
直 徑 (mm) | 7.24 | 7.24 | 7.24 | 7.24 | 2.95 | 2.95 | 2.95 | 2.95 | ||
外部導體(1) | 規(guī) 格 (mm) | 0.18/8/24 | 0.18/8/24 | 0.18/8/24 | 0.18/8/24 | 0.13/7/16 | 0.13/7/16 | 0.13/7/16 | 0.13/7/16 | |
材 質 | A | A | A | A | T | T | T | T | ||
外部導體(2) | 規(guī) 格 (mm) | --- | --- | --- | --- | 0.13/7/16 | --- | --- | --- | |
材 質 | --- | --- | --- | --- | T | --- | --- | --- | ||
外 被 | 材 質 | PVC (1) | PVC (2) | PVC (1) | PVC (2) | PE (1) | PVC (1) | PVC (1) | PVC (2) | |
外 徑 (mm) | 10.3±0.3 | 10.3±0.25 | 10.3±0.3 | 10.3±0.17 | 4.95±0.3 | 4.95±0.15 | 4.95±0.15 | 4.95±0.15 | ||
電 氣 特 性 | 靜電容量 nF/km at 1KHz | 96.8 | 96.8 | 67.3 | 67.3 | 93.5 | 93.5 | 93.5 | 93.5 | |
特性阻抗(Ω) | 52±2 | 52±2 | 75±3 | 75±3 | 53.5±2.5 | 53.5±2.5 | 50±2 | 50±2 | ||
衰減 dB/km at 20℃ | 1MHz | 5.7 | 5.7 | 6 | 6 | 13 | 13 | 14 | 14 | |
10MHz | 19 | 19 | 20 | 20 | 33 | 33 | 43 | 43 | ||
30MHz | 35 | 35 | 36 | 36 | 66 | 66 | 82 | 82 | ||
100MHz | 69 | 69 | 69 | 69 | 138 | 138 | 174 | 174 | ||
300MHz | 138 | 138 | 125 | 125 | 259 | 259 | 315 | 315 | ||
1000MHz | 295 | 295 | 256 | 256 | 525 | 525 | 721 | 721 | ||
3000MHz | 590 | 590 | 525 | 525 | 1050 | 1050 | 1480 | 1480 | ||
備 注：
A：annealed copper wire (裸銅線) SSPE：polyethylene cordel ( 用1根PE條纏在銅導體上，如有需要可再押一層PE套管)
T：tinned annealed copper wire（鍍錫銅線） PVC (1)：PVC, black (黑色PVC)
CW：copper cladded steel wire (銅包鋼) PVC (2)：Non-migration low temperature resistant PVC, black (非移PVC，黑色，耐低溫)
PE：solid polyethylene (PE) PE (1)：polyethylene, transparent (透明PE)
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