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Help CenterWelded Aluminum Tube Trunk Cables, QR540 JCA Trunk Cable for Duplex Transmission Network
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Certification:CE, ISO9000,ISO14001,RoSH,Certificate of Network access of Broadcast equipment, State Administration
Welded Aluminum Tube Trunk Cables, QR540 JCA Trunk Cable for Duplex Transmission Network
Product description:
Inner conductor is high quality copper clad aluminum (CCA).Dielectric core is made of insulating grade virgin polyethylene; RF welded aluminum sheet as shield, and medium density PE is used for jacket material.
|
Physical dimensions |
||
|
component |
inches |
mm |
|
Inner conductor |
0.124 |
3.15 |
|
diameter over dielectric |
0.514 |
13.05 |
|
diameter over aluminum shield |
0.540 |
13.72 |
|
Outer conductor thickness |
0.0135 |
0.343 |
|
Diameter over jacket |
0.610 |
15.49 |
|
Jacket wall thickness |
0.035 |
0.89 |
Mechanical performance:
Minimum bending radius: 4.0 inches/10.2cm
Maximum pulling tension: 220lbs /100kgf
Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(50±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 88% nominal
Normal DC loop resistance @68OF: 1.61 Ohms/100ft (5.28 ohms/km)
Attenuation@ 68OF(20oC):
|
@Frequency MHZ |
dB/100ft. (MAX.) |
dB/100 meters(MAX.) |
|
5MHZ |
0.14 |
0.46 |
|
55MHZ |
0.47 |
1.54 |
|
83MHZ |
0.58 |
1.90 |
|
211MHZ |
0.95 |
3.12 |
|
250MHZ |
1.03 |
3.38 |
|
300MHZ |
1.13 |
3.71 |
|
350MHZ |
1.23 |
4.03 |
|
400MHZ |
1.32 |
4.33 |
|
450MHZ |
1.40 |
4.59 |
|
500MHZ |
1.49 |
4.89 |
|
550MHZ |
1.56 |
5.12 |
|
600MHZ |
1.64 |
5.38 |
|
750MHZ |
1.85 |
6.07 |
|
865MHZ |
2.00 |
6.56 |
|
1000MHZ |
2.17 |
7.12 |
Applications:
QR540 JCA trunk cable’s outer conductor is high quality electric aluminum sheet, this trunk cable is used as main cable and distribution cable for CATV network, such as base station and equipment cabinets. It is applicable in transmission of single and duplex analog signals and as well as duplex digital signals. The trunk cable is also widely used in HFC duplex transmission network.
Competitive Advantage:
The trunk cable has excellent electrical performance and outstanding transmission r
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