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FTP 六類4對多股絞合線屏蔽數據電纜結構:多股鍍錫軟銅線,聚乙烯(HDPE)絕緣,兩根絕緣導體對絞,聚氯乙烯、阻燃PVC或低煙無鹵,護套:阻燃PVC或低煙無鹵外徑6.0mm
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更新時間:2025-02-06
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| 頻率 | 特性阻抗 | 回波損耗 | 衰減 | 近端串音 | 等效遠端串音 |
| (MHz) | (ohm) | (db) | (db/100m) | (db/100m) | (db/100m) |
| 0.772 | 100±15 | 19.4 | 2.8 | 76 | 70.2 |
| 1 | 20 | 3 | 74.3 | 68 | |
| 4 | 23 | 5.7 | 65.3 | 56 | |
| 8 | 24.5 | 8 | 60.8 | 49.9 | |
| 10 | 25 | 9 | 59.3 | 48 | |
| 16 | 25 | 11.4 | 56.2 | 43.9 | |
| 20 | 25 | 12.8 | 54.8 | 42 | |
| 25 | 24.3 | 14.3 | 53.3 | 40 | |
| 31.25 | 23.6 | 16.1 | 51.9 | 38.1 | |
| 62.5 | 21.5 | 23.2 | 47.4 | 32.1 | |
| 100 | 20.1 | 29.9 | 44.3 | 28 | |
| 200 | 18 | 43.7 | 39.8 | 22 | |
| 250 | 17.3 | 55.3 | 38.3 | 20 |
