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QR.540 JCA

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: 3.15+0.01mm Copper Clad Aluminum
Dielectric: 13.03+0.05mm Foam PE
Diameter of Shield: 13.72+0.01mm AL Tube
Jacket: 15.49+0.1mm PE
 
3) Mechanical Characteristics
Operating Temperature Range: -20℃ To +60℃
Max. Pulling Tension: 100kgf
Min. Bend Radius : 10.2 cm
 
4) Electrical Characteristics
Impedance: 75+2 Ohm
Capacitance: 50+3pF/m
Velocity of Propagation: 88%
Inner Conductor: 3.34Ω/km
Outer Conductor: 1.94Ω/km
Loop: 5.28Ω/km
 
5) Attenuation
Attenuation
[@68℉. (20℃)]
Frequency (MHz)
Max. (dB/100 m)
Frequency (MHz)
Max. (dB/100 m)
5
0.46
300
3.71
30
1.12
325
3.87
45
1.35
350
4.03
50
1.44
375
4.17
55
1.54
400
4.33
83
1.90
425
4.49
108
2.17
450
4.59
150
2.59
500
4.89
181
2.89
550
5.12
193
2.95
600
5.38
211
3.12
750
6.07
220
3.22
865
6.56
250
3.38
1000
7.12
270
3.51