TV COAXIAL CABLE
ALUMINIUM
|
CONDUCTOR |
DIELECTRIC |
SCREEN |
SHEATH |
ELECTRICAL PROPERTIES |
ATTENUATIONS |
STRUCTURAL RETURN |
SCREENING |
WEIGHT |
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|
IMPEDANCE |
VELOCITY |
CAPACITANCE |
dB/100 m. ( 20 °C ) |
LOSS dB |
EFFECTIVENESS |
ALU. |
TOTAL |
|||||||||||||||||||||||||||
|
TYPE |
ø MM |
TYPE |
ø MM |
TYPE |
COVER. |
TYPE |
COVER. |
TYPE |
COVER. |
TYPE |
COVER. |
TYPE |
ø MM |
RATIO |
50 |
470 |
862 |
1750 |
2150 |
2400 |
3000 |
30 ÷ 470 |
470 ÷ 862 |
862 ÷ 2150 |
2150 ÷ 3000 |
5 ÷ 30 |
30÷ 1000 |
1000÷ 2000 |
2000 ÷ 3000 |
KG./KM. |
||||
|
Ω |
% |
pF/m |
MHz |
MHz |
MHz |
|||||||||||||||||||||||||||||
|
CCA |
0,75 |
PEE |
3,40 |
LTA |
100% |
ALL |
56% |
|
|
|
|
PVC2 |
5,40 |
75 |
84% |
53 |
5,8 |
17,7 |
24,8 |
36,7 |
41,3 |
44,2 |
50,2 |
>32 |
>30 |
>25 |
>23 |
<5 |
>85 |
>75 |
>65 |
4,4 |
24,0 |
|
|
CCA |
1,00 |
PEE |
4,60 |
LTA |
100% |
ALL |
57% |
|
|
|
|
PVC2 |
6,60 |
75 |
84% |
53 |
4,4 |
13,9 |
19,5 |
29,1 |
32,8 |
35,2 |
40,5 |
>33 |
>31 |
>25 |
>22 |
<5 |
>85 |
>75 |
>65 |
6,7 |
32,7 |
|
Legend
|
CCA |
Plain copper clad aluminium |
LTA |
Aluminium+polyester+aluminium tape |
|
ALL |
Aluminium |
PVC 2 |
Polyvinyl - chloride non-contaminating |
|
PEE |
Foam polyethylene |
|
|