(OLD) Ch 14 - Private CATV Distribution Sys Flashcards
0
Q
14–5 system to topologies
Two basic topologies CATV =
A
Home run
Trunk and tap
1
Q
14-1
elements of a cable system
A
Except television, does not belong
2
Q
14–5 home run design
Home run =
A
Star topology
3
Q
14–6 trunk and Design
Trunk and tap =
A
Least expensive
4
Q
14–6
Figure 14.2….
A
Trunk and tap design
5
Q
14–7 video over balanced twisted- pair cabling
Video
A
75 ohm coaxial cable
6
Q
14–7 video over balance twisted-pair cabling
Balun =
A
Convert from 75 ohm to 100 ohm
7
Q
14–11 cable loss
Most cable =
A
68°F
8
Q
14–11 cable loss
Series 11 =
A
2.75 dB
9
Q
14–11 device loss
splitter =
A
3 dB
10
Q
14–11 device loss
Directional coupler =
A
Uneven outputs
11
Q
14–12 device loss
Combined
A
Directional coupler but in reverse
