請(qǐng)教這個(gè)同軸是什么標(biāo)準(zhǔn)的同軸電纜 - 無(wú)圖版
seanleng --- 2014-07-07 10:25:46
1
這個(gè)要求是什么同軸電纜?
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
迷兒 --- 2014-07-08 17:38:24
2
這是 典型的 美標(biāo)RG三同軸75ohm柔性射頻線,, 導(dǎo)體+介質(zhì)+內(nèi)屏蔽+中間層+外屏蔽+護(hù)套,,RG雙屏蔽都是這樣的結(jié)構(gòu) ,, 你照著規(guī)格做就好啦
xiefu2000 --- 2014-08-07 11:19:08
3
既然給出要求了,按照要求做不就可以了
349255965 --- 2015-04-18 10:51:22
4
63%發(fā)泡度都給你定了。你按密度算唄。
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