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

CAL 59

Article source:http://www.trcables.com/   author:上海嗨润   Release time:2018-01-24 11:04   Browse times:second

CAL 59

 

Construction

Inner conductor 

Plain copper 

0.8 mm 

Dielectric 

Foam PE 

Φ3.65 ± 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 

 

88%

Sheath 

PVC 

Φ5.90 ± 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 

35 Ohm/Km 

Outer conductor resistance 

12.5 Ohm/Km 

Operating temperature range 

-25 °C - +80 °C 

Copper weight 

21.8 Kg/Km 

Cable weight (approx.) 

49.5 Kg/Km 

Screening effectiveness 

>90 dB 

Attenuation

Frequency(MHz) 50 

Attenuation (dB/100 m) 6.0 

Attenuation (dB/100 ft) 1.83 

230

12.5

3.81

470

18.2

5.55

860

25.5

7.77

1000

27.9

8.51

1350

32.6

9.94

1500

34.9

10.64

1750

37.6

11.46

2150

42.3

12.9

2400

45.4

13.84

Return Loss

30-470 MHz 

>32dB

470-860 MHz 

>30dB

860-2400 MHz

>26dB 

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