User Manual DEV 2194
10 ļ Copyright DEV Systemtechnik GmbH 2013-2017
3.1.3 Distribution Amplifier Operation Modes
With no patch cables applied, the DEV 2194 is operated as a dual 1:8 distribution
amplifier. The input signal is applied to the corresponding input port labeled
"In 1:8" at the rear side of the device. A monitor port (50 Ohm, SMA (f)) is provided
to monitor the input signal; a second monitor port (75 Ohm, F (f)) is intended to
monitor the processed input signal. The eight output ports of the corresponding
distribution amplifier are available at the front side of the device.
The block diagram below illustrates this operation mode:
1:8 Splitter
Am plifier 1 In 1:8
Am plifier 1 M on [SM A (f)]
Output Amplifier 1 (1)
Output Amplifier 1 (2)
Output Amplifier 1 (3)
Output Amplifier 1 (4)
Output Amplifier 1 (5)
Output Amplifier 1 (6)
Output Amplifier 1 (7)
Output Amplifier 1 (8)
Am plifier 1 M on [F (f)]
In 1:16
Out 1
Out 2
Am plifier 2 In 1:8
Am plifier 2 M on [SM A (f)]
Am plifier 2 M on [F (f)]
Output Amplifier 2 (1)
Output Amplifier 2 (2)
Output Amplifier 2 (3)
Output Amplifier 2 (4)
Output Amplifier 2 (5)
Output Amplifier 2 (6)
Output Amplifier 2 (7)
Output Amplifier 2 (8)
Mo nitor
Am plifier
fun ction ality
(w ith gain & tilt)
1:8 Splitter
DC
LNB Pow er
1:2 Splitter
Am plifier 1
DC
1:2 SplitterAm plifier
fun ction ality
(w ith gain & tilt)
Mo nitorLNB Pow er
1:2 Splitter
Am plifier 2
Outputs A mplifier 2 (1...8)
Outputs A mplifier 1 (1...8)
Inp ut A mplifier 1
Inp ut A mplifier 2
To operate the DEV 2194 as a 1:16 distribution amplifier, two patch cables (being
part of the delivery) have to be installed as shown in the next block diagram.
The input port in this operation mode is the input port of the internal 1:2 splitter,
which is labeled "In 1:16":
1:8 S plitter
Am plifier 1 In 1:8
Am plifier 1 Mo n [SM A (f)]
Ou tput A mplifie r 1 (1 )
Ou tput A mplifie r 1 (2 )
Ou tput A mplifie r 1 (3 )
Ou tput A mplifie r 1 (4 )
Ou tput A mplifie r 1 (5 )
Ou tput A mplifie r 1 (6 )
Ou tput A mplifie r 1 (7 )
Ou tput A mplifie r 1 (8 )
Am plifier 1 Mo n [F (f)]
In 1:1 6
Ou t 1
Ou t 2
Am plifier 2 In 1:8
Am plifier 2 Mo n [SM A (f)]
Am plifier 2 Mo n [F (f)]
Ou tput A mplifie r 2 (1 )
Ou tput A mplifie r 2 (2 )
Ou tput A mplifie r 2 (3 )
Ou tput A mplifie r 2 (4 )
Ou tput A mplifie r 2 (5 )
Ou tput A mplifie r 2 (6 )
Ou tput A mplifie r 2 (7 )
Ou tput A mplifie r 2 (8 )
Monitor
Am plifier
functio nality
(w ith gain & tilt)
1:8 S plitter
DC
LNB Pow er
1:2 S plitter
Am plifier 1
DC
1:2 S plitterAm plifier
functio nality
(w ith gain & tilt)
MonitorLNB Pow er
1:2 S plitter
Am plifier 2
Ou tputs 1 ...16
Input
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