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