Appendix B: 75-Ohm CATV Cable
Page 22
InterReach Spectrum Remote Access Unit Installation Guide
©
2012
TE
Connectivity
Ltd
TECP-77-222 • Issue
1 • August
2012
Overall
Nominal
Electrical
Characteristics
Characteristic
Impedance
75.000
Inductance
0.103
H/ft.
Capacitance
Conductor
to
Shield
16.100
(pF/ft.)
Velocity
of
Propagation
82
(%)
Delay
1.240
(ns/ft.)
Conductor
DC
Resistance
6.400
@
20°C
(
/1000
ft.)
Outer
Shield
DC
Resistance
2.800
@
20°C
(
/1000
ft.)
Attenuation
Freq. (MHz) Attenuation (dB/100 ft.)
1.000
0.240
3.580
0.450
5.000
0.550
7.000
0.650
10.000
0.750
67.500
1.740
71.500
1.780
88.500
1.940
100.000
2.100
135.000
2.400
143.000
2.500
180.000
2.800
270.000
3.400
360.000
4.000
540.000
5.200
720.000
6.100
750.000
6.200
1000.000
7.300
1500.000
9.200
2000.000
10.900
2250.000
11.600
3000.000
13.700