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  Product ->Coaxial Cable->QR540->RG540M (QR.540.JCAM)  

QR540JCAM

QR540JCAM series of coaxial cable is applied to CATV networks as trunk cable, which meet the transmission requirement of broadband, high speed and low loss. CCA center conductor, 75ohm impedance, 305m packaging....
 

Construction
Center Conductor: 3.15+0.01mm Solid Copper/Copper Clad Aluminum
Dielectric: 13.03+0.05mmFoam PE
Outer Conductor: 13.72mm Aluminum Tube
Outer Conductor Thickness: 0.343mm
Jacket: 15.49+0.05mm PVC / PE
Jacket Wall Thickness: 0.89mm
Messenger: 2.77mm Steel
Jelly/APD Per Customer¡¯ Special Requirement

Characteristics
Impedance: 75+3 Ohm
Capacitance: 50+3nF/km, 15.3+1pF/ft
Velocity of Propagation: 87%

Attenuation

 

 
Attenuation [@68o F. (20o C.)]

Frequency (MHz)

Maximum (dB/100 ft.)

Maximum (dB/100 m)

5 0.13 0.43
50 0.43 1.41
108 0.63 2.07
150 0.74 2.43
193 0.87 2.85
250 0.99 3.25
300 1.08 3.54
350 1.17 3.84
400 1.26 4.13
450 1.35 4.44
500 1.41 4.63
550 1.51 4.95
600 1.59 5.23
750 1.80 5.02
1000 2.10 6.91


RG540M (QR.540.JCAM)( pdf format )  
 
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