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CT 125

Construction

Inner conductor 

Bare copper 

Φ1.25 mm 

Dielectric 

Foam PE 

Φ5.50 mm 

Outer conductor (shield 1) 

Copper Foil 

Φ5.65 mm 

Shield coverage 1 

 

100%

Outer conductor (shield 2) 

Bare copper braid 

96x0.10 mm 

Shield coverage 2 

 

60%

Sheath 

PVC/LSOH 

Φ7.80 mm 

Electrical & Mechanical Characteristics

Impedance 

75±5 Ohm 

Nominal capacitance 

50 pF/m 

Velocity of propagation 

85%

Insulation resistance 

>5000 Mohm.Km 

Inner conductor resistance 

12.8 Ohm/Km 

Outer conductor resistance 

- Ohm/Km

Rated temperature 

70°C 

Operating voltage 

30 V 

Cable weight (approx.) 

65 kg/km 

Screening effectiveness 

>75 dB (30-1000MHz) >65 dB (1000-2150MHz) 

Attenuation

Frequency(MHz) 

Attenuation (dB/100 m)  

Attenuation (dB/100 ft) 

50

3.5

1.07

100

5

1.52

200

7.5

2.29

460

11.5

3.51

860

15.5

4.73

1000

17

5.18

1750

22

6.71

2150

26

7.93

Return Loss

5-470 MHz 

>23dB 

470-860 MHz 

>20dB

860-2150 MHz 

>18dB 

 

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