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

CAL 47

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

CAL 47

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+Al tape 

 

Shield coverage 

 

100%

Outer conductor (shield 2) 

Tinned copper 

128 x 0.10 mm 

Shield coverage 

 

90%

Sheath 

PVC 

Φ4.70 ± 0.10 mm 

Electrical & Mechanical Characteristics

Impedance 

75±5 Ohm 

Nominal 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 

12.2 Kg/Km 

Cable weight (approx.) 

30.5 Kg/Km 

Screening effectiveness 

>85 dB 

Attenuation

Frequency(MHz) 

Attenuation (dB/100 m) 

Attenuation (dB/100 ft) 

50

7.3

2.23

230

14.7

4.48

470

21.4

6.52

860

30

9.15

1000

32.9

10.03

1350

38.2

11.65

1500

41.1

12.53

1750

44.1

13.45

2150

49.7

15.15

2400

53.6

16.34

Return Loss

30-470 MHz

>32dB

470-860 MHz 

>27dB

860-2400 MHz

>21dB 

 

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