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7. Block Diagrams
7-1
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7-1. RF Solution Block Diagram
D
N
A
BE
S
A
B
DCXO
VCO + FREQUENCY
SYNTHESIZER
XTAL1
XTAL2
AFC
H
CTI
WS
A
N
NE
T
N
A
PA
850
900
1800
1900
RFIE
RFID
RFIP
RFIA
1900
1800
900
850
LNA
LNA
LNA
LNA
RE
TLI
F
L
ATI
GI
D
ff
DET
LOW- IF
E
C
AF
RE
T
NI
G
OL
A
N
A
I
ADC
Q
ADC
PGA
PGA
XOUT
RFOL
RFOH
0 / 90
PGA
PGA
Digital