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9
Calculating Aid for Coverage Calculations in the Satellite Area
EN
20m Multimedia cable
Trunk of a 9/X K
with 5 m Multimedia cable
Tap TechniRouter 9/X,
30 m 100 dB or 120 dB cable,
7 sockets as tree distribution
(up to tap-output of the
seventh 10 dB-socket)
Tap 9/2A
Passive distributor 9P
Intermediate amplifier 9Z
1)
Value at the lower ... upper band limit
2)
At the root, the resistance, due to DC permeable parallel switching of 8 individual coaxial cables, is smaller then that of one individual cable.
3)
73 dBµV from the LNB and 20m 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 an antenna socket
Sat
FM
DVB-T
DVB-C
Your device is CE approved and meets all necessary EU standards.
Subject to changes and printing errors. Status 09/11
Reproduction and copies are only allowed with the consent of the publisher.
TechniSat is a registered trademark of
TechniSat Digital GmbH · P.O. Box 560 · 54541 Daun · Germany · www.technisat.com
from the input
-5..-8.4 dB
-4 ... -7dB
-20 dB
trunk
-1...-1.5 dB
junction
+1...+5 dB
-3.8 dB
+7...+12 dB
120dB premium-cable
30
0.3
0.6
0.9
1.2
1.5
1.8
2.1
minimum
44
50
40
47
Gain of the Sat signal
after the Router
1)
-36 dB
3)
(-44 dB
are possible)
--
--
--
100 dB cable or
300
860
2150
1
1.8
3
2
3.6
6
3
5.4
9
4
7.2
12
5
9
15
6
10.8
18
7
12.6
21
Level (dBµV)
recommended
maximum
58
63
50
55
48
„Loop"-
resistance
trunk
0.06 V
2)
0.16 Ω
(at I=0.4 A)
0,04 V
2)
0.1 Ω
(at I=0.4 A)
1.5 V
at I=0.4 A)
Mini-CoaxSat 2150- or
multimedia-cable
30
300
860
0.5
1.5
2.5
1
3
5
1.5
4.5
7.5
2
6
10
2.5
7.5
12.5
0.56 Ω / 10 m
79
70
70
70
www.technisat.com
2237174000100
Voltage
drop
2150
4.2
8.4
12.6
16.8
21
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