Calculating Aid For Coverage Calculations In The Satellite Area - TechniSat TechniRouter series Montageanleitung

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Calculating Aid for Coverage Calculations in the Satellite Area

20 m Multimedia cable
Trunk of a 5/X K
with 5 m Multimedia cable
Tap TechniRouter 5/X,
30 m 115 dB or 120 dB cable,
7 sockets as tree distribution
(up to tap-output of the
seventh 10 dB-socket)
Tap 5/2A trunk
junction
Passive distributor 5P
Intermediate amplifier 5Z/NT
or 5Z2/NT
1)
Value at the lower ... upper band limit
2)
At the root, the resistance, due to DC permeable parallel switching of 4 individual coaxial cables, is smaller
then that of one individual cable.
3)
73 dBµV from the LNB and 20 m conduction provided for.
Loss (dB / x Meter) applicable cable types
Type
length at frequency / MHz
10 m
20 m
30 m
40 m
50 m
60 m
70 m
Loop-resistance (core and shield, of one cable) 0.35 Ω / 10 m
Level at the output of any antenna socket accordance with EN 60728-1
Sat DVB--S
FM, stereo
Analog TV
DVB-T
DVB-C
Gain of the Sat signal
from the input
1)
-5..-8.4 dB
-4 ... -7 dB
-20 dB
-1...-1.5 dB
+1...+5 dB
-3.8 dB
+7...+12 dB
115 dB cable or
120dB premium-cable
30 300
0.3 1
0.6 2
0.9 3
1.2 4
1.5 5
1.8 6
2.1 7
Level (dBµV)
minimum recommended
47 58
50 63
60 63
32 50
47 60
after the Router
-36 dB
3)
( -44 dB
are possible)
--
--
--
860 2150
1.8 3
3.6 6
5.4 9
7.2 12
9 15
10.8 18
12.6 21
maximum
77
70
70
74
74
47
„Loop"- Voltage
resistance drop
trunk
0.06 V
0.3 Ω
2)
(at I=0.2 A)
0.04 V
0.2 Ω
2)
(at I=0.2 A)
1.5 V
at I=0.4 A)
Mini-CoaxSat 2150- or
Multymedia-cable 4
30 300 860 2150
0.5 1.5 2.5
1 3 5
1.5 4.5 7.5 12.6
2 6 10 16.8
2.5 7.5 12.5
0.56 Ω / 10 m
EN
4.2
8.4
21