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[标准讨论] 请教这个同轴是什么标准的同轴电缆
P:2014-07-07 10:25:46
1
这个要求是什么同轴电缆?
inner conductor ø mm, material 1,13 Cu
insulation ø mm, material 4,8 foamed PE 63%
1. screening, foil Al-foil double faced, 20% overlapping
2. screening braid, material 128 x 0,12 Al
3. screening, foil Al-foil double faced, 20% overlapping
4. screening braid, material 96 x 0,12 Al
jacked ø mm, material/colour 8,2 PVC/white
attenuation at (20 ºC in dB/100m):
100 MHz 4,9 dB
200 MHz 6,7 dB
300 MHz 8,5 dB
500 MHz 11,9 dB
800 MHz 15,3 dB
1000 MHz 17,4 dB
1350 MHz 21,3 dB
1750 MHz 23,9 dB
2050 MHz 27,3 dB
impedance 75 Ω
screening immunity > 120 dB
velocity factor v/c 0,80
min. bending radius mm 40
inner conductor ø mm, material 1,13 Cu
insulation ø mm, material 4,8 foamed PE 63%
1. screening, foil Al-foil double faced, 20% overlapping
2. screening braid, material 128 x 0,12 Al
3. screening, foil Al-foil double faced, 20% overlapping
4. screening braid, material 96 x 0,12 Al
jacked ø mm, material/colour 8,2 PVC/white
attenuation at (20 ºC in dB/100m):
100 MHz 4,9 dB
200 MHz 6,7 dB
300 MHz 8,5 dB
500 MHz 11,9 dB
800 MHz 15,3 dB
1000 MHz 17,4 dB
1350 MHz 21,3 dB
1750 MHz 23,9 dB
2050 MHz 27,3 dB
impedance 75 Ω
screening immunity > 120 dB
velocity factor v/c 0,80
min. bending radius mm 40
pro-fax - 一种聚丙烯商品名(美国Hercules Powder Co.公司生产) (0) 投诉
4
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