|
JX-540 SERIES
Physical
Dimensions
|
Component
|
JX-540B
(mm) |
JX-540L
(mm) |
JX-540T
(mm) |
|
Center Conductor |
3.15
|
3.15
|
3.15
|
|
Dielectric
|
13.00
|
13.00
|
13.00
|
|
Outer Conductor |
13.87
|
13.75
|
14.40
|
|
Outer Conductor
Thickness |
--
|
--
|
0.70
|
|
Jacket |
15.90
|
15.90
|
15.90
|
|
Jacket Wall
Thickness |
1.00
|
1.00
|
0.75
|
|
Messenger |
2.77
|
2.77
|
2.77
|
Mechanical Characteristics
Minimum Bending
Radius (Jacket)
JX-540B 6.0in. 16cm
JX-540L 6.0in. 32cm
JX-540T 4.0in. 32cm |
|
Minimum
Breaking Strength of Messenger
1800lbs. 816kgf |
|
Dielectric
Adhesion >20N/5cm
|
Electrical Characteristics
|
Capacitance 50±3.0 nf/km |
|
Impedance 75±2.0 ohms |
|
Velocity of
Propagation 88% |
Shielding
Effectiveness
JX-540B JX-540L JX-540T
55MHz ≥ 60dB 85dB 100dB
300MHz ≥ 70dB 90dB 110dB
1000MHz ≥ 70dB 90dB 110dB |
Return Loss
(100% swept)
JX-540B JX-540L JX-540T
1～470MHz ≥ 22dB 20dB 22dB
470～1000MHz ≥ 20dB 18dB 20dB |
Attenuation (20șC,≤dB/100m)
|
Frequency
(MHz)
|
JX-540B
|
JX540-L
|
JX-540T
|
|
5
|
0.46
|
0.46
|
0.46
|
|
55
|
1.54
|
1.54
|
1.54
|
|
211
|
3.12
|
3.12
|
3.12
|
|
250
|
3.38
|
3.38
|
3.38
|
|
270
|
3.51
|
3.51
|
3.51
|
|
300
|
3.71
|
3.71
|
3.71
|
|
325
|
3.87
|
3.87
|
3.87
|
|
350
|
4.03
|
4.03
|
4.03
|
|
400
|
4.33
|
4.33
|
4.33
|
|
450
|
4.59
|
4.59
|
4.59
|
|
500
|
4.89
|
4.89
|
4.89
|
|
550
|
5.12
|
5.12
|
5.12
|
|
600
|
5.38
|
5.38
|
5.38
|
|
750
|
6.07
|
6.07
|
6.07
|
|
865
|
6.56
|
6.56
|
6.56
|
|
1000
|
7.12
|
7.12
|
7.12
|
Notes:
1. Nominal copper thickness for CCA (kg/km):10% CCA
2. The braiding coverage must be above 80% if you select
braiding shield.
|
