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Help CenterSeamless Aluminum Trunk Cable, QR500 JCASS Trunk Cables With PE Jacket For CATV Network
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Certification:CE, ISO9000,ISO14001,RoSH,Certificate of Network access of Broadcast equipment, State Administration
Seamless Aluminum Trunk Cable, QR500 JCASS Trunk Cables With PE Jacket For CATV Network
Applications:
The QR 500 JCASS 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:
The inner conductor is high quality copper clad aluminum (CCA), dielectric core is produced by insulating grade virgin polyethylene, welded aluminum sheet as shield. Medium density PE is used as jacket material. Flooded compound is used to prevent corrosion of the trunk cable.
|
Physical dimensions |
||
|
component |
inches |
mm |
|
Inner conductor |
0.109 |
2.77 |
|
diameter over dielectric |
0.450 |
11.43 |
|
diameter over outer conductor |
0.474 |
12.04 |
|
Outer conductor thickness |
0.012 |
0.305 |
|
Diameter over flooded jacket |
0.570 |
14.48 |
|
Jacket wall thickness |
0.030 |
0.76 |
Mechanical performance:
Minimum bending radius: 6.0 inches/15.2cm
Maximum pulling tension: 300lbs /136kgf
Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(50±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 87% nominal
Maximum D.C resistance @68OF:
Inner conductor: 1.35ohms/1000ft (4.43ohms/km)
Outer conductor: 0.37ohms/1000ft (1.21ohms/km)
Loop: 1.72 ohms/1000ft. (5.64 ohms/km)
Attenuation@ 68OF(20oC):
|
@Frequency MHZ |
dB/100ft. (MAX.) |
dB/100 meters(MAX.) |
|
5MHZ |
0.16 |
0.52 |
|
55MHZ |
0.54 |
1.77 |
|
83MHZ |
0.66 |
2.17 |
|
211MHZ |
1.09 |
3.58 |
|
250MHZ |
1.20 |
3.94 |
|
300MHZ |
1.31 |
4.30 |
|
350MHZ |
1.43 |
4.69 |
|
400MHZ |
1.53 |
5.02 |
|
450MHZ |
1.63 |
5.35 |
|
500MHZ |
1.73 |
5.67 |
|
550MHZ |
1.82 |
5.97 |
|
600MHZ |
1.91 |
6.27 |
|
750MHZ |
2.16 |
7.09 |
|
865MHZ |
2.34 |
7.68 |
|
1000MHZ |
2.52 |
8.27 |
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