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

CAL 70

Article source:http://www.trcables.com/   author:上海嗨润   Release time:2018-01-24 11:14   Browse times:second

CAL 70

 

Construction

Inner conductor 

Plain copper 

7 x 0.40 mm 

Dielectric 

Foam PE 

Φ4.95 ± 0.10 mm 

Outer conductor (shield 1) 

Aluminium + polyester + Aluminium tape 

 

Shield coverage 

 

100%

Outer conductor (shield 2) 

Tinned copper 

96 x 0.15 mm 

Shield coverage 

 

71%

Sheath 

Blue PVC 

Φ7.00 ± 0.10 mm 

Electrical & Mechanical Characteristics

Nominal capacitance 

53 pF/m 

Velocity of propagation 

84%

Insulation resistance 

>5000 Mohm.Km 

Inner conductor resistance 

20.5 Ohm/Km 

Outer conductor resistance 

13.5 Ohm/Km 

Operating temperature range 

-25 °C - +80 °C 

Copper weight 

24.6 Kg/Km 

Cable weight (approx.) 

56.25 Kg/Km 

Screening effectiveness 

>85 dB 

Attenuation

Frequency(MHz)  

Attenuation (dB/100 m)  

Attenuation (dB/100 ft)  

50 4.4 1.34

230

9.5

2.9

470

13.7

4.18

860

19.2

5.85

1000

21

6.4

1350

24.7

7.53

1500

26.6

8.11

1750

28.7

8.75

2150

32.4

9.88

2400

34.7

10.58

Return Loss

30-470 MHz

>30dB

470-860 MHz

>26dB

860-2400 MHz

>22dB 

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