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Description
2-31
1
2
3
4
5
2.4.5.2
3G PA-TRX Module
The 3G PA-TRX module is composed of the following functional elements:
• TRX function,
• PA function,
• converter.
2.4.5.2.1 TRX function
The TRX function has the following sub-assemblies (see Figure 2.10):
• a Signal Processing board (SP),
• a TX transmitter,
• two receivers RX1 and RX2.
Figure 2.10
BLOCK DIAGRAM OF THE TRX FUNCTION
TRX FUNCTION
Loopback
+ 12 V
CONVERTER
SYNCHRO
BOARD
RX1 (RF)
Modulated signal
PA - ON
Demodulation
PA
FUNCTION
DUPLEXER 1
(LNA)
RX 1
TX
SP
FUNCTION
Alarms
Clocks
Modulating signal
C
ds
Front panel LEDs
Alarms
TEST
socket
RESET
push-button
HS (20 ms)
HT (64 kHz)
Ref. 6.4 MHz
IF
C
ds
Alarms
IDR-
IDO
-3G
_M
C2_F
O
NCT
ION_
T
R
X_S
Y
NO
P_
01_0
1
DUPLEXER 2
RX2 (RF)
RX 2
IF
C
ds
Alarms
ETH0
ETH1
Содержание CASSIDIAN IDR IDO 3G
Страница 5: ...DEFENDING WORLD SECURITY IDR IDO 3G Technical Manual TMO PS11209BENAB01 07 2012...
Страница 150: ...IDR IDO 3G_MC9_IDR IDO_FAV_PRES_01_01 3 1 2 4 5 7 6 8 9 10 11 15 14 13 12 18 17 16 Plate 6 II IDR IDO 3G FRONT PANEL...
Страница 152: ...1 7 2 3 4 5 IDR IDO 3G_MC9_IDR IDO_3 4 AR OUVERT_PRES_01_01 6 Plate 6 III IDR IDO 3G INTERNAL VIEW...
Страница 154: ...1 2 3 4 5 6 7 8 9 10 11 RIP IDO 3G_MC2_LED_ALIMENTATION_FAV_01_01 Plate 6 IV IDR IDO 3G PRIMARY MAINS OR DC CONVERTERS...
Страница 163: ......
Страница 164: ...MC2 RR APP 00033 02 02 EN...