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D i a g r a m s
D i a g r a m s
D i a g r a m s
Antenna Unit
Combiner/
Splitter
TRX
Case w/
Main Control Unit
Saturn Bp Portable – Technical Manual
RF Transmitter
TX
Level
Driver
Regulator
(ALC)
+12 V
RX
+28V
POWMON
POWREF
DATA
+28 V
Tx Supply
+28 V
+15 V
Voltage
Regulator
*TXENABLE
+5 V
(*STATUS
function
*TXINP
message)
*TXOUT
TXD
Data
Modulator
CPU
RXD
Data
Demodulator
Antenna Control Board – ACB
TXOUT
TXIN
HPA
Power
Detector
RXIN
RXOUT
DACs
Comparator
QUART
Antenna Unit Interconnection Diagram
RF Receiver
1660.5 MHz
+28V / +12V
+12 VDC
Converter
Amplifiers
LNA
&
Filters
Duplexer
1625.5 -
ANT
1525 -
1559 MHz
23
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