| COAXIAL CABLES CO 70 RANGE - DIGITAL TERRESTRIAL SIGNAL | Legend |
| |
Type |
CO 8 B70 AF |
CO 12 B70 AF |
| Construction Properties |
|
|
| inner conductor |
ø mm |
 |
CU 0,80 |
 |
CU 1,13 |
| patented skin |
| PEC | PEC |
| dielectric |
| PEE | PEE |
| dielectric skin |
ø mm | PEC 3,5 | PEC 4,9 |
| tape |
| ALP | ALP |
| braid |
ø mm | CU-Sn
4,0 | CU-Sn
5,6 |
| braid coverage |
% | 70 | 70 |
| mayler |
| PET | PET |
| jacket |
ø mm | PVC AF
5,0 | PVA AF
6,7 |
| minimum bending ratius |
ø mm | 20/50 | 20/50 |
| total weight |
Kg/km | 29 | 50 |
| copper weight |
Kg/km | 14 | 23 |
| F screw connector |
code |
J 2945 |
J 2941 |
| F crimp connector |
code | J 3055 | J 3057 |
Electric Properties
|
| nominal impedance |
Ohm |
75±3 |
75±3 |
| capacitance |
pF/m | 52±3 | 52±3 |
| velocity ratio |
% | 85 | 85 |
| |
| | |
| structural return loss |
20-860 MHz |
|
dB | >30 | >30 |
| 860-2500 MHz |
dB | >28 | >28 |
| screening attenuation |
dB | >100 | >100 |
| inner conductor resistance |
Ohm/Km | 34 | 17 |
| outer conductor resistance |
Ohm/Km | 16 | 13 |
| max voltage (spark test) |
kV | 2,5 | 3 |
| attenuation at 20° C |
at 50 MHz |
|
dB/100 m | 5,2 | 3,6 |
| at 200 MHz |
dB/100 m | 11,0 | 8,0 |
| at 300 MHz |
dB/100 m | 14,0 | 9,5 |
| at 470 MHz |
dB/100 m | 17,4 | 12,4 |
| at 860 MHz |
dB/100 m | 23,4 | 16,8 |
| at 1000 MHz |
dB/100 m | 25,5 | 18,0 |
| at 1750 MHz |
dB/100 m | 34,0 | 24,9 |
| a 2150 MHz |
dB/100 m | 38,0 | 27,5 |
| at 2500 MHz |
dB/100 m | 40,0 | 29,5 |
| at 3000 MHz |
dB/100 m | 45,0 | 33,0 |
|
| 2-4 | 2-4 |
| standard packing |
m | 200 B3 | 100 B3 |
| |
m | 500 L0 | 500 L1 |
| |
m | - | - |
| Construction properties |
|  | |
