NEC PASOLINK - Functional Block Diagram of the ODU

FUNCTIONAL OPERATION ROI-S04605
2-2
MIX
MPX
ALM
RX IF F DATA
TX F DATA SYNTH IF ALM
SYNTH RF ALM
RX IF LEV MON
T PWR MON
T PWR CTRL
TX IF LEV MON
MAIN
IF AMP
AGC
MIX
20 MHz
AGC AMP
IF
IDU)
(TO/FROM
-7 V
RX LEV
MON
IF:850 MHz
IF:70 MHz
RF CKT
RF
IN/OUT
IF CKT
Fig. 2-1 Functional Block Diagram of the ODU
+7 V
MIX
LO
AMP
RF
AMP
RF
AMP
TRX
VCO
PD
1/2
PD
1/2
(EOW)
PS
VCO
-40 V
-40 V
TX IF LEV CTRL
RX IF LEV CTRL
CPU