QR.320 JCAM.109
1) Description
A solid aluminum tube is precision, micro-cellular foam dieletric core, the core containers
A fully bonded copper clad center conductor, PE jacket.
Suitable Applications: multiple dwelling units (MDU) and feeder applications,
2) Physical Dimensions
Center Conductor: 1.8+0.01mm Copper Clad Aluminum
Dielectric: 7.47+0.05mm Foam PE
Diameter of Shield: 8.13+0.01mm AL Tube
Jacket: 10.03+0.1mm PE
Messenger: 2.77+0.01mm Steel
Jacket: 4.50+0.05mm PE
3) Mechanical Characteristics
Operating Temperature Range: -20℃ To +60℃
Max. Pulling Tension: 54.5kgf
Min. Bend Radius : 5.8 cm
4) Electrical Characteristics
Impedance: 75+2 Ohm
Capacitance: 50+3pF/m
Velocity of Propagation: 87%
Inner Conductor: 10.76Ω/km
Outer Conductor: 3.25Ω/km
Loop: 14.10Ω/km
5) Attenuation
|
Attenuation |
[@68℉. (20℃)] |
|
Frequency (MHz) |
Max. (dB/100 m) |
Frequency (MHz) |
Max. (dB/100 m) |
|
5 |
0.79 |
300 |
6.69 |
|
30 |
2.03 |
325 |
7.12 |
|
45 |
2.49 |
350 |
7.38 |
|
50 |
2.62 |
375 |
7.55 |
|
55 |
2.76 |
400 |
7.81 |
|
83 |
3.51 |
425 |
8.04 |
|
108 |
4.00 |
450 |
8.27 |
|
150 |
4.76 |
500 |
8.92 |
|
181 |
5.25 |
550 |
9.35 |
|
193 |
5.41 |
600 |
9.78 |
|
211 |
5.68 |
750 |
10.86 |
|
220 |
5.77 |
865 |
11.87 |
|
250 |
6.10 |
1000 |
12.76 |
|
270 |
6.37 |
|
|
