Shaoxing Libo Electric Co., Ltd |
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Aluminum Tube Trunk Cables QR412 Messenger Welded Feeder Cable Television Station
Quick Details:
• QR412 JCAM Welded Alumium Trunk Cable
• Welded aluminum tape as outer conductor
• High quality PE outer jacket
• Asphalt or flooding compound is available
Applications:
QR412 JCAM 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.
Product description:
Inner conductor is high quality copper clad aluminum
(CCA).Dielectric core is made of insulating grade virgin
polyethylene; welded aluminum sheet as shield, and medium density
PE is for outer jacket material.
Physical dimensions | ||
component | inches | mm |
Inner conductor | 0.089 | 2.26 |
Diameter over dielectric | 0.362 | 9.19 |
Diameter over outer conductor | 0.3858 | 9.80 |
Outer conductor thickness | 0.024 | 0.305 |
Diameter over jacket | 0.475 | 12.07 |
messenger | 0.109 | 2.77 |
Mechanical performance:
Minimum bending radius: 6.0 inches/15.2cm
Maximum pulling tension: 150lbs /68kgf
Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(55±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 87% nominal
Nominal DC loop resistance@68OF: 2.57 ohms/1000ft (8.43 ohms/km)
Attenuation@ 68OF(20oC):
@Frequency MHZ | dB/100ft. (MAX.) | dB/100 meters(MAX.) |
5MHZ | 0.20 | 0.65 |
55MHZ | 0.69 | 2.26 |
83MHZ | 0.86 | 2.82 |
211MHZ | 1.41 | 4.62 |
250MHZ | 1.54 | 5.05 |
300MHZ | 1.70 | 5.57 |
350MHZ | 1.87 | 6.13 |
400MHZ | 1.97 | 6.46 |
450MHZ | 2.11 | 6.92 |
500MHZ | 2.24 | 7.34 |
550MHZ | 2.35 | 7.71 |
600MHZ | 2.47 | 8.10 |
750MHZ | 2.78 | 9.12 |
865MHZ | 3.01 | 9.87 |
Competitive Advantage: