Technisat TechniRouter 5/1x8 K Manual de usuario descargar pdf (Pagina 47)

9 Calculating Aid for Coverage Calculations in the Satellite Area

Gain of the Sat signal

from the input after the Router

„Loop“-

resistance

Voltage

drop

20 m Multimedia cable

-5..-8.4 dB

trunk

0.3 Ω

0.06 V

(at I=0.2 A)

Trunk of a 5/X K

with 5 m Multimedia cable

-4 ... -7 dB

0.2 Ω

0.04 V

(at I=0.2 A)

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)

-20 dB

-36 dB

( -44 dB

are possible)

1.5 V

at I=0.4 A)

Tap 5/2A trunk

junction

-1…-1.5 dB

+1…+5 dB

Passive distributor 5P

-3.8 dB --

Intermediate amplifier 5Z/NT

or 5Z2/NT

+7…+12 dB --

Value at the lower ... upper band limit

At the root, the resistance, due to DC permeable parallel switching of 4 individual coaxial cables, is smaller

then that of one individual cable.

73 dBµV from the LNB and 20 m conduction provided for.

Loss (dB / x Meter) applicable cable types

Type

115 dB cable or

120dB premium-cable

Mini-CoaxSat 2150- or

Multymedia-cable 4

length at frequency / MHz 30 300 860 2150 30 300 860 2150

10 m 0.3 1 1.8 3 0.5 1.5 2.5 4.2

20 m 0.6 2 3.6 6 1 3 5 8.4

30 m 0.9 3 5.4 9 1.5 4.5 7.5 12.6

40 m 1.2 4 7.2 12 2 6 10 16.8

50 m 1.5 5 9 15 2.5 7.5 12.5 21

60 m 1.8 6 10.8 18

70 m 2.1 7 12.6 21

Loop-resistance (core and shield, of one cable) 0.35 Ω / 10 m 0.56 Ω / 10 m

Level at the output of any antenna socket accordance with EN 60728-1

Level (dBµV)

minimum recommended maximum

Sat DVB--S 47 58 77

FM, stereo 50 63 70

Analog TV 60 63 70

DVB-T 32 50 74

DVB-C 47 60 74

1 2 ... 42 43 44 45 46 47 48

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Technisat TechniRouter 5/1x8 K Manual de usuario Pagina 47

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