Televes DVB-S2 COFDM - Manual (Page 12)

DVBS2 - COFDM / COFDM CI
12
4.3. Broadband amplifier
OPTION “A” - 5575 OPTION “B” - 451202
The broadband amplifier amplifies the channels generated in the transmodulators, covering the frequency margins from 47 to 862 MHz
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02340038001 002
BROADBAND AMPLIFIER PWR
TEST (-30dB)
I. max 150mA 196-264V~ 50/60Hz Fuse: T1A L 250V
USO EXCLUSIVO EN INTERIOR
FOR INDOOR USE ONLY
¡¡¡ATENCIÓN!!!
NO ABRIR. TENSIONES ELEVADAS DENTRO
¡¡¡WARNING!!!
DO NOT OPEN. LIVE PARTS INSIDE
Test IN -20 dB MATV
10 dB 10 dB
C. Ret
OK - Return
OK - MATV 20 dB 20 dB
Test OUT -20 dB MATV
+10 dB
C. Ret
On
Ret. IN Ret. OUT
MATV 20 dB
02340019 002
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It features two input connectors, to allow mixing of channels coming
out from two different systems. If only one of the inputs is used, it is
recommended to load the unused input with a 75 ohm terminator, ref 4061.
As the rest of T-0X units, this amplifier is powered via the 24 Vdc power BUS.
1. RF output
2. Test socket (-30 dB)
3. RF input
4. RF input
1. Mains power supply input (196-264 V~ 50/60 Hz)
2. Ground connection
3. Power LED
4. MATV input
Return channel output
5. MATV input test
6. MATV output test
7. MATV output
Return channel input
5. Powering BUS connectors
6. Status LED
7. Gain attenuator