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Broadcast Coaxial 75 Ohm Location:Home> > English > Product Center > Coaxial Cables > Broadcast Coaxial 75 Ohm >

5 X CAL 47

Article source:http://www.trcables.com/   author:上海嗨润   Release time:2018-01-24 11:11   Browse times:second

5 X CAL 47

 

Construction

Inner conductor 

Plain copper 

0.6 mm 

Dielectric 

Gas injected foam PE 

Φ2.80 ± 0.10 mm 

Outer conductor (shield 1) 

Aluminium + polyester + Aluminium tape 

 

Shield coverage 

 

100%

Outer conductor (shield 2) 

Tinned copper 

128 x 0.10 mm 

Shield coverage 

 

90%

Individual sheath 

PVC 

Φ4.50 ± 0.10 mm 

Overall sheath 

PVC 

Φ14.20 ± 0.40 mm 

Reinforcement 

PVC 

 

Electrical & Mechanical Characteristics

Impedance

75±5 Ohm

Capacitance

56 pF//m

Velocity of propagation 

80%

Insulation resistance 

>5000 Mohm.Km 

Inner conductor resistance 

62 Ohm/Km 

Outer conductor resistance 

17.5 Ohm/Km 

Operating temperature range 

-25 °C - +80 °C 

Copper weight 

61.0 Kg/Km 

Cable weight (approx.) 

192.7 Kg/Km 

Screening effectiveness 

>85 dB 

Attenuation

Frequency(MHz) 

Attenuation (dB/100 m) 

Attenuation (dB/100 ft) 

50

7.8

2.38

200

15.1

4.6

470

23.5

7.16

860

32.7

9.97

1000

35.6

10.85

1350

41.7

12.71

1500

44.8

13.66

1750

48

14.63

2150

54.2

16.52

2400

57.8

17.62

Return Loss

30-300 MHz 

>32dB

300-600 MHz 

>27dB

600-900 MHz 

>23dB 

 

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